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On this episode of MythBusters...

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Good morning everyone, my name is Adam and I'll be your flight attendant today.

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...I'm Joe at MythBusters.

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...is the brace position intended to save you...

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That's really bad.

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...or kill you.

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And...

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I have a sneaking suspicion that I'm a really, really bad driver.

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...is driving and chatting.

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Could you repeat that again?

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Just as dangerous as...

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Officer, would you help me a beer?

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...driving under the influence.

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Who are the MythBusters?

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Adam Savage?

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I reject the reality and substitute my own.

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And Jamie Heineman?

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I couldn't like it in here, it's private.

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Between them more than 30 years special effects experience...

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That was intense.

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They don't just tell the myths...

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They put them to the test.

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Guys, I got a good one.

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While flying this weekend, I actually heard a really interesting myth...

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While I was reading my emergency safety card...

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The guy next to me claims conspiracy theory style...

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That the brace positions that you have to get into on the commercial airlines...

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When you're crashing into land or water...

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Are actually to kill you.

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It's so that...

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When you're crashing, your neck will instantly break...

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Because it's actually cheaper to pay out for a wrongful death suit...

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Than years and years of rehabilitation.

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That's a good one, Carrie.

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And we get to destroy another aircraft.

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As much fun as that would be...

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I'm not sure it's really feasible for this.

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I mean, we need to do several experiments...

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And destroying a full-size plane...

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We're only going to get one test if that.

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So, do you have a plan for a repeatable ring?

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Yeah, I mean, I definitely think we need something controllable...

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So, you know, we could just do many experiments...

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One with the brace position, of course, buster...

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One without the brace position...

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And just see if we can knock his head off.

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See if there's a real difference between the brace position and sitting regularly.

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And you know, what about business class?

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Are you any safer when you spend that extra dough?

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And then there are those backwards-facing seats that the flight attendants use.

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What about those?

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Exactly.

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To get to the bottom of this myth...

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The team's going to have to lay their bodies on the line.

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But let's not get ahead of ourselves.

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First, they're going to need three different types of airplane seats.

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It's back to the old Mythbusters standby for airline parts.

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Interface aviation.

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I can just keep going and going...

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Last time the team was here...

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They picked up an in-flight toilet for their vacuum test.

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Boy, did that suck!

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And the Mythbuster maturity continues.

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Yeah!

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He's worked!

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They really work!

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Who would have thought?

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Nice, Tori.

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Let's remember why you're here.

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I think that's quite a fun shopping list.

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I think we need five rows of the economy seats.

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One row of two-seaters for the first class.

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Is this the first time you've ever been in first class?

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Oh, man!

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Me too.

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That's a good life.

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And the final item on their list...

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A flight attendant's rear-facing seat.

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This is going to be perfect.

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Happy?

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Think we got everything?

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I'm very happy.

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This is going to be good.

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We've got some good stuff here for sure.

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We've got a lot of work to do, so we should head back to the shop.

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Although air travel is one of the safest forms of transportation,

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every year in the U.S. an average of 120 people are killed

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and 350 seriously injured in commercial airline crashes.

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Right off the bat, our researchers have found that there actually is an element of truth to this story.

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Oh, yeah.

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Well, it turns out that it is, in fact, cheaper for the airlines to pay out a wrongful death settlement

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than it is to pay someone who's been injured over the course of their lifetime.

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Wrongful death settlements pay out at between around three and five million bucks an occurrence,

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whereas depending on the severity of the injuries for a lifetime of rehabilitation,

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the airlines may pay out between eight and ten and sometimes up to 50 million dollars.

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Wow.

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He has busters whole family here.

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To assure passengers the safest flight possible,

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engineer Richard DeWeeze of the FAA Civil Aerospace Medical Institute

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conducts extensive testing on the crashworthiness of airline seats

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and their effects on passengers.

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So cool.

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Carrie popped into his office in Oklahoma City to see how it's done.

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Wow.

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This is where we do all of our testing.

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And of course, down the middle of the area is our test track.

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This is our test sled.

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Essentially, it's a rolling platform.

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We hook this cable up to the front, and we can pull it back with a winch

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and control its speed.

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The further back we pull it, the faster it's going to be going when it gets here.

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The test scenario is a 35 feet per second velocity change at 14 Gs.

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And we get to that 14 G peak in only 80 milliseconds.

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Wow.

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And from the course of the test dummy, we're going to be gathering things

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to tell us whether or not the person would have been injured by the readings we get from them.

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OK, so this rig may be a bit outside the built-in scope,

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but Tori's got a plan, and it's on the cheap.

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Well, we don't have the hydraulic rams that they use at the FAA.

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So we're going to have to come up with a new experiment to test this.

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One thing we could do is basically we'll build a gantry, put the seats on it,

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we'll get a crane, and vertically drop it.

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All we have to get is 35 feet per second.

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So for one second, we drop it for one second, we're going to get some serious G forces.

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My number one concern was that this thing has got to be super strong.

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We will it with a two-inch square tubing and then triangulated the heck out of this thing.

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The whole gantry is at a 30-degree angle, which is to specs to the FAA's crash tests that they do.

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But before they take to the skies, their next myth has them hitting the road.

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Come on, admit it. You know you do it.

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Talk on the cell phone while driving.

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And deep down, you know it's dangerous.

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But is it as dangerous as that other driving taboo?

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Here comes another one.

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The myth is that it is just as dangerous to drive while talking on a cell phone as it is while driving drunk.

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Well, obviously, you know, while you're dialing your eyes are not on the road,

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but what we really need to pinpoint is whether the conversation itself is dangerous.

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Yes.

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Yeah, people seem to be under the impression that if you're at a stoplight, it might be okay to dial because you're not moving.

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But then it's okay to talk once you actually get moving.

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And that's the key thing about this myth.

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Is it, in fact, safe to talk on a cell phone while you're driving?

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That's what we're going to test.

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They're off to the Russell Racing School at Infinion Raceway in Napa, California.

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The problem we've got today is that both Carrie and I are the test subjects.

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We're actually going to do the Russell Racing School course here.

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They've got several different driving skills to test on us.

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First, they'll each run a control lap, sober and cell phone free to get acquainted with the course.

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Then they'll navigate the course again, only this time while Jamie distracts them with a cell phone call.

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Chief, I want to hear that.

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Finally, they'll knock back a few cold ones, take a police-administered breathalyzer test,

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and then climb back behind the wheel for their last lap.

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Oh, man.

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This is a tough one because I do think, I do notice an occasion talking on a cell phone that it's easy to zone out.

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Whether that's equivalent to driving while drunk, which I've never done, I have no idea.

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Ladies and gentlemen, start your engines.

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Carrie and Adam are about to test the myth that driving with a cell phone is just as dangerous as driving drunk.

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Once again, going to humiliate myself in front of a very large audience.

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But before they attempt the skills course impaired, they'll each try a control run first, sober and cell phone free.

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Hey, how are you doing? I'm Jamie. Mark Wallachatia.

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Hi, Mark.

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Mark Wallachatia, chief instructor for the Russell Racing School, takes them both through the route.

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Ready?

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Go.

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Are you ready?

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Go.

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First challenge, accelerating to 30 miles per hour and stopping at the sign.

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If you don't get to 30, you're going to fail that part of it.

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If you don't stop at the stop sign, you're going to fail that part of it.

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First, nobody stops like this, do they?

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I don't.

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Apparently, neither does Adam.

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You can't go into the other lane.

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Then there's everybody's favorite, parallel parking.

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Oh, man.

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Just ran into a lady to get lined up in the crossing.

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Oh!

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I still can't park.

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Oh, thank you.

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The time trial comes next.

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Your job is to average 15 miles an hour through the whole course.

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So if you go too fast or too slow, then you're going to fail that part of it.

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And now the time.

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Now and the time.

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Easy to get going fast there.

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Yeah.

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You've got to be at least 10 miles an hour around here.

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You got it.

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And for the peace de resistance, the accident avoidance challenge.

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You'll drive up at say 30 miles an hour.

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I'll say left, right or center.

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You've got to make that lane change and then you'll get through that particular lane change.

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You've got to get through that lane change.

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You've got to make that lane change and then you'll get through that particular lane change.

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So now what we've got to do without the brakes?

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Without the brakes.

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A little over 25, 27.

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Okay.

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Let's go.

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Left.

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Fail.

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We've got to pull.

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Okay, right.

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I kind of takes you back to those driver and days, doesn't it?

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How did I do?

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That was pretty good.

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We were a little quick for the, what we call the road drive.

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You're very good at the parking.

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Every time you turn, I'm going to want to see checking both sides and signaling.

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For the whole test?

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Yeah, even.

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Okay.

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So that's a pass.

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It's all good.

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And carry?

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I have a sneaking suspicion that I'm a really, really bad driver.

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That wasn't bad.

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You need to practice your parking, which not many people do.

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So I failed you on that.

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The rest of it, you did actually very good in the accident avoidance parking.

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That was really close.

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That was good.

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So overall you passed.

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Yeah, but the real fun still to come.

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I suspect that driving while talking on the cell phone is going to cause more impairment

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than any of us really imagined.

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I think the cell phone is going to be murder.

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There's absolutely no way.

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I'm trying all my concentration just to remember what I'm doing when I'm driving on this and where the roads are.

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Back at the shop, the framework for Tari's Myth Must Air plane is nearly complete.

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They'll have Buster testing the validity of the brace position in no time.

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I found fingers and toes.

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What I have to do next, I have to cover this whole thing with plywood.

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And that's going to be the theoretical airplane floor.

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I'll lay the tracks on and then I'll start putting on the airplane seats.

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Careful there, Tari.

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You remember what happened the last time you went stunt riding.

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I'm okay.

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It's easy to break bones when they're real.

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But when it comes to Buster's bones, well, that's a bit trickier.

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For this myth, we need Buster's broken bones to explain to us what's going to happen in the brace position to the human body.

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So we just basically want to do some fact checking to make sure that Buster is up for the test and he will give us some real data.

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We want to make sure that he is as much like a human as possible.

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To retrofit Buster's aluminum frame with the most realistic bones possible, the built-in tests the strength of different materials.

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First, animal bones as the control.

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Yep.

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Then, wood.

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Green fiberglass.

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Acrylic.

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PVC.

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And carbon epoxy tubing to see which would break most like a real bone.

251
00:14:03,000 --> 00:14:06,000
I think you've found your match, Kari.

252
00:14:06,000 --> 00:14:07,000
Look at that.

253
00:14:09,000 --> 00:14:11,000
It's broken, but it's not...

254
00:14:13,000 --> 00:14:14,000
It's not shattered.

255
00:14:14,000 --> 00:14:15,000
It's perfect.

256
00:14:15,000 --> 00:14:21,000
Both carbon epoxy tubing and lamb bone broke at a 120 pound dynamic load.

257
00:14:21,000 --> 00:14:23,000
So, that's what we're using.

258
00:14:24,000 --> 00:14:31,000
If this material breaks inside Buster on our crash test experiment, we can pretty much assume that a human bone would break.

259
00:14:31,000 --> 00:14:36,000
I know it's not perfect, but this is the closest that we're going to get to a good calibration.

260
00:14:36,000 --> 00:14:40,000
Don't look so glumbuster. You won't be crashing alone.

261
00:14:40,000 --> 00:14:41,000
More dummies to kill, huh?

262
00:14:41,000 --> 00:14:42,000
Wow.

263
00:14:42,000 --> 00:14:47,000
My God, it's like an embarrassment of riches after all those times of distraughting Buster.

264
00:14:47,000 --> 00:14:50,000
I haven't seen a clean dummy in a long time.

265
00:14:50,000 --> 00:14:52,000
Meet Buster's nuclear family.

266
00:14:52,000 --> 00:14:53,000
Wow.

267
00:14:54,000 --> 00:14:55,000
Look at Dad.

268
00:14:55,000 --> 00:14:56,000
Dad's buff.

269
00:14:58,000 --> 00:15:01,000
I think Dad's molded off the Heinemann model.

270
00:15:01,000 --> 00:15:03,000
These are what are known as simulades.

271
00:15:03,000 --> 00:15:07,000
While they are the correct weight, it's not distributed correctly.

272
00:15:07,000 --> 00:15:10,000
These guys are just a round out passenger seating around Buster.

273
00:15:10,000 --> 00:15:12,000
He's still our main test subject.

274
00:15:12,000 --> 00:15:13,000
They're dummy dummies.

275
00:15:13,000 --> 00:15:20,000
You know, it's amazing after all this time to finally expand the MythBuster's abuse family.

276
00:15:21,000 --> 00:15:25,000
I mean, I know you can't take the same kind of damage that Buster takes,

277
00:15:25,000 --> 00:15:27,000
but I'm willing to try.

278
00:15:27,000 --> 00:15:32,000
Oh, the abuse will come all right, but right now they're just victims of fashion.

279
00:15:32,000 --> 00:15:34,000
Did she come with her bra?

280
00:15:35,000 --> 00:15:37,000
We don't want to be indecent. This is a family show.

281
00:15:37,000 --> 00:15:39,000
So where do we get the bra? Did you give her ears?

282
00:15:39,000 --> 00:15:40,000
No.

283
00:15:40,000 --> 00:15:46,000
Let's leave Carrie hanging and head outside to see how the gantry is coming along.

284
00:15:46,000 --> 00:15:50,000
Tori's moved into the test site for some finishing touches.

285
00:15:50,000 --> 00:15:51,000
Seats.

286
00:15:51,000 --> 00:15:55,000
You think we should give the passengers a little bit more space?

287
00:15:55,000 --> 00:15:59,000
No, I think we should cram them even closer together to save a buck or two.

288
00:15:59,000 --> 00:16:02,000
You know, don't waste that fuel.

289
00:16:02,000 --> 00:16:05,000
More passengers, more money.

290
00:16:05,000 --> 00:16:09,000
That's why airlines go broke, because they get to people too much room already.

291
00:16:10,000 --> 00:16:12,000
You are a sweet guy.

292
00:16:13,000 --> 00:16:17,000
MythBust Air is ready for takeoff.

293
00:16:17,000 --> 00:16:20,000
Now it just needs its final passenger.

294
00:16:20,000 --> 00:16:26,000
Well, I guess the next big problem is the age-old MythBuster's problem of determining what happens to Buster.

295
00:16:26,000 --> 00:16:30,000
He can't talk to us, but we need to know if he's injured, if he's dead.

296
00:16:30,000 --> 00:16:31,000
Right.

297
00:16:31,000 --> 00:16:34,000
And if there's a difference between sitting in the embrace position or sitting normally.

298
00:16:34,000 --> 00:16:40,000
Well, it seems that maybe the neck would be a good thing to know if it could break.

299
00:16:40,000 --> 00:16:45,000
Right now he doesn't have any way of indicating to us that he's got a broken neck.

300
00:16:45,000 --> 00:16:52,000
If you are in an airline crash and your head is coming towards a seat in front of you,

301
00:16:52,000 --> 00:16:58,000
you're going to crash in and your neck is going to bend like this while the rest of your body continues on.

302
00:16:58,000 --> 00:17:05,000
This is known as extension, but Buster's neck is fixed and therefore won't bend like a human's.

303
00:17:06,000 --> 00:17:10,000
Leave it to Mr. Fixin to crack this quandary.

304
00:17:10,000 --> 00:17:15,000
What this means for Buster is I've got to make a neck that replaces this one.

305
00:17:15,000 --> 00:17:19,000
So I'm going to machine the neck, this piece.

306
00:17:19,000 --> 00:17:26,000
I've got a couple hinges from the hardware store so it can move and actually move pretty far back.

307
00:17:26,000 --> 00:17:34,000
And Grant's added a series of springs to simulate the muscles in the neck that would normally resist for supply to the forehead.

308
00:17:34,000 --> 00:17:38,000
But getting the neck to bend is only half the solution.

309
00:17:38,000 --> 00:17:45,000
Grant also needs to be able to determine the amount of injury the neck sustains during the crash.

310
00:17:45,000 --> 00:17:51,000
He'll do so by calibrating the neck's angle of deflection or how far it bends backwards.

311
00:17:51,000 --> 00:17:57,000
Simply put, he'll hang a series of weights from the back of Buster's head to make it bend.

312
00:17:57,000 --> 00:17:59,000
Here's 150 pounds I prepared earlier.

313
00:17:59,000 --> 00:18:03,000
Then measure the resistance to Buster's neck through a potentiometer.

314
00:18:03,000 --> 00:18:06,000
Which sends a signal to the arm eater.

315
00:18:06,000 --> 00:18:10,000
The higher the kilo ohms, the greater the damage.

316
00:18:10,000 --> 00:18:16,000
First, they record the resistance on the neck with no load attached to establish a baseline.

317
00:18:16,000 --> 00:18:19,000
Okay, so starting out we've got...

318
00:18:19,000 --> 00:18:21,000
4.29.

319
00:18:21,000 --> 00:18:23,000
Okay, 4.29. You ready?

320
00:18:23,000 --> 00:18:24,000
Yeah.

321
00:18:24,000 --> 00:18:25,000
Just going to lower it down.

322
00:18:25,000 --> 00:18:26,000
Here we go.

323
00:18:26,000 --> 00:18:29,000
Then they increase the weight to measure the angle of deflection.

324
00:18:29,000 --> 00:18:30,000
Great.

325
00:18:30,000 --> 00:18:31,000
Okay, so what do you got?

326
00:18:31,000 --> 00:18:34,000
6.2.

327
00:18:34,000 --> 00:18:36,000
6.2K.

328
00:18:36,000 --> 00:18:41,000
So that is serious neck injury.

329
00:18:41,000 --> 00:18:43,000
That's fantastic.

330
00:18:43,000 --> 00:18:44,000
It's perfect with Buster's solution.

331
00:18:44,000 --> 00:18:45,000
I'm really pleased.

332
00:18:45,000 --> 00:18:46,000
Thank you.

333
00:18:46,000 --> 00:18:47,000
Great.

334
00:18:47,000 --> 00:18:48,000
Thanks.

335
00:18:48,000 --> 00:18:50,000
Now we've got to get his face back on there.

336
00:18:50,000 --> 00:18:51,000
Not so fast.

337
00:18:51,000 --> 00:18:54,000
Grant's got one more gizmo for Buster's head.

338
00:18:54,000 --> 00:19:00,000
An accelerometer to measure the force Buster's brain will sustain upon impact.

339
00:19:01,000 --> 00:19:06,000
But Grant also hopes to measure the force of impact to other parts of Buster's body.

340
00:19:06,000 --> 00:19:11,000
So he's covering Buster's torso with shock watch stickers.

341
00:19:11,000 --> 00:19:19,000
What you do is you buy this off the shelf, stick it on your package, and it'll tell you if you've exceeded the g-load.

342
00:19:19,000 --> 00:19:21,000
So it keeps your shipping agent accountable.

343
00:19:21,000 --> 00:19:28,000
If the capsule inside the patch breaks and turns red, you know you've exceeded your specified g-load.

344
00:19:28,000 --> 00:19:31,000
So we've got 50, 75, and 100 giz.

345
00:19:31,000 --> 00:19:37,000
Conveniently, these three sizes correspond to thresholds of human injury.

346
00:19:37,000 --> 00:19:44,000
50 giz would correspond to the threshold of injury for the entire body in a frontal impact.

347
00:19:44,000 --> 00:19:48,000
Meaning that anything under that and you might possibly survive it.

348
00:19:48,000 --> 00:19:49,000
Yes, exactly.

349
00:19:49,000 --> 00:19:50,000
Okay.

350
00:19:50,000 --> 00:19:52,000
Without serious injury.

351
00:19:52,000 --> 00:19:57,000
75 would be for a rear impact, again for the whole body, threshold of injury.

352
00:19:57,000 --> 00:20:05,000
And 100 is corresponds to inside of the head, your brain actually bouncing around.

353
00:20:05,000 --> 00:20:08,000
That's all great. But how do they work?

354
00:20:08,000 --> 00:20:10,000
So I just stick this on.

355
00:20:10,000 --> 00:20:12,000
That's it. There's your package.

356
00:20:12,000 --> 00:20:14,000
Beer can equals person.

357
00:20:14,000 --> 00:20:15,000
Yep.

358
00:20:15,000 --> 00:20:16,000
They're a little bit higher.

359
00:20:16,000 --> 00:20:17,000
Not quite 50 giz.

360
00:20:17,000 --> 00:20:19,000
A little bit higher. I'm gonna actually chuck it. Ready?

361
00:20:19,000 --> 00:20:20,000
Okay.

362
00:20:21,000 --> 00:20:26,000
Now, I can see it's red from here.

363
00:20:26,000 --> 00:20:28,000
That's perfect.

364
00:20:28,000 --> 00:20:30,000
Red means you're dead.

365
00:20:30,000 --> 00:20:36,000
If it works this well on a beer can, they can't wait to see how it works on Buster.

366
00:20:36,000 --> 00:20:39,000
That's perfect, Grant. I'm totally psyched about that.

367
00:20:39,000 --> 00:20:41,000
Are you frightened?

368
00:20:41,000 --> 00:20:45,000
It's round two of Adam and Carrie's driving test.

369
00:20:45,000 --> 00:20:48,000
They've already passed the control run.

370
00:20:48,000 --> 00:20:53,000
So it's time to break out those cell phones and try a more distracted lap.

371
00:20:53,000 --> 00:20:58,000
Okay, for the cell phone test, I'll be off on the sidelines talking into a cell phone

372
00:20:58,000 --> 00:21:03,000
and delivering three different types of tasks to the driver in the car.

373
00:21:03,000 --> 00:21:08,000
The first one is repeat the sentence. They just have to repeat what I've said.

374
00:21:08,000 --> 00:21:11,000
The second one is a verbal puzzle.

375
00:21:11,000 --> 00:21:14,000
They have to actually think about what their answer is gonna be.

376
00:21:14,000 --> 00:21:20,000
And then the third one is a monologue where they have to list five different things

377
00:21:20,000 --> 00:21:22,000
about some particular subject that I'll give them.

378
00:21:22,000 --> 00:21:28,000
There's no doubt in my mind that their driving performance is gonna be significantly reduced.

379
00:21:28,000 --> 00:21:33,000
I'm a little nervous about it. I don't think I'm gonna do very well on this one.

380
00:21:33,000 --> 00:21:36,000
Okay, go. Go.

381
00:21:36,000 --> 00:21:40,000
Alright, if I say Jack Stoll and Spall, who's the thief?

382
00:21:40,000 --> 00:21:43,000
That would be Jack.

383
00:21:43,000 --> 00:21:51,000
Okay, repeat the sentence. The driver was stopped for driving 67 miles per hour in a 20 mile per hour zone.

384
00:21:51,000 --> 00:21:57,000
The driver was stopped for driving in a 15 mile per hour zone. Have you seen it?

385
00:21:57,000 --> 00:21:59,000
No, you missed it.

386
00:21:59,000 --> 00:22:04,000
The driver was driving 67 miles per hour in a 20 mile per hour zone.

387
00:22:04,000 --> 00:22:09,000
Okay, give me five things that are in the interior of your car.

388
00:22:10,000 --> 00:22:13,000
Five things that are in the interior of my car.

389
00:22:13,000 --> 00:22:31,000
The steering wheel, the rear view mirror, the steering wheel, the seat belt, the seat belt, the charger, and the speedometer.

390
00:22:31,000 --> 00:22:37,000
Driving this course was insane trying to talk on the cell phone. You could not pay attention to both at the same time.

391
00:22:37,000 --> 00:22:42,000
Do you see a picture with a diamond, a rectangle, and a circle?

392
00:22:42,000 --> 00:22:47,000
And the circle is to the right of the rectangle and directly above the diamond.

393
00:22:47,000 --> 00:22:51,000
Is the rectangle right above the diamond?

394
00:22:51,000 --> 00:22:54,000
I have a very, very good rectangle.

395
00:22:54,000 --> 00:22:56,000
Can you repeat that again?

396
00:22:58,000 --> 00:23:03,000
Which girl is taller if Jane is shorter than Kim?

397
00:23:03,000 --> 00:23:06,000
Kim is taller.

398
00:23:06,000 --> 00:23:13,000
Give me five things that are part of your daily work or activities.

399
00:23:13,000 --> 00:23:26,000
Kissing off, driving my hair, moving my camera, and driving my phone calls.

400
00:23:26,000 --> 00:23:32,000
And, oh man, I'm driving for lunch.

401
00:23:32,000 --> 00:23:38,000
Checking my email and putting phone calls on certain people.

402
00:23:38,000 --> 00:23:40,000
And...

403
00:23:45,000 --> 00:23:49,000
Here they come racing to the finish line. And the winner is...

404
00:23:49,000 --> 00:23:54,000
Oh, that was awful. That was absolutely awful.

405
00:23:54,000 --> 00:23:58,000
We actually gave her a fail for the overall course.

406
00:23:58,000 --> 00:24:03,000
There was one time there where she was trying to maneuver the wheel and she got very creative.

407
00:24:03,000 --> 00:24:06,000
Kind of held the wheel with her elbow.

408
00:24:06,000 --> 00:24:10,000
Yeah, not to mention you failed over half the course's obstacles.

409
00:24:10,000 --> 00:24:11,000
And Adam?

410
00:24:11,000 --> 00:24:15,000
He did end up failing. He failed half of the elements.

411
00:24:15,000 --> 00:24:18,000
That makes the Mythbusters 0 for 2.

412
00:24:18,000 --> 00:24:23,000
There are a ton of studies and a lot of conflicting data about how much talking on a cell phone actually affects your driving.

413
00:24:23,000 --> 00:24:27,000
Yeah, one study actually showed that a simple conversation wouldn't affect driving at all.

414
00:24:27,000 --> 00:24:36,000
Yeah, but a British study did extensive testing with things like memory tests, reasoning, and mental arithmetic,

415
00:24:36,000 --> 00:24:39,000
and found that it did heavily affect your ability to drive.

416
00:24:39,000 --> 00:24:43,000
And that was the first study to actually compare it to a benchmark of something we know is dangerous,

417
00:24:43,000 --> 00:24:46,000
which is driving under the influence of alcohol.

418
00:24:46,000 --> 00:24:48,000
It's time to start drinking.

419
00:24:48,000 --> 00:24:51,000
As dangerous as driving drunk?

420
00:24:51,000 --> 00:24:54,000
Well, only one way to find out for sure.

421
00:24:58,000 --> 00:25:05,000
Carrie and Adam are trying to determine if driving while on a cell phone is just as dangerous as driving drunk.

422
00:25:05,000 --> 00:25:09,000
They've already failed the skills course while chatting away.

423
00:25:09,000 --> 00:25:13,000
Now they'll try again after putting a few beers away.

424
00:25:14,000 --> 00:25:19,000
To feel the effects of the booze quicker, they've fasted since last night.

425
00:25:19,000 --> 00:25:22,000
I'm not really looking forward to a drink. I haven't eaten since I woke up.

426
00:25:22,000 --> 00:25:26,000
I've got a kind of hunger headache. It's a hot day out here.

427
00:25:26,000 --> 00:25:30,000
I expect it's going to get me pretty toasty.

428
00:25:31,000 --> 00:25:33,000
But not too toasty.

429
00:25:33,000 --> 00:25:39,000
The catch is they need to ensure their blood alcohol ratio remains below 0.08,

430
00:25:39,000 --> 00:25:43,000
which is a legal limit for operating a motor vehicle in California.

431
00:25:43,000 --> 00:25:46,000
Or the experiment will be called off.

432
00:25:46,000 --> 00:25:54,000
So they've called in a few of San Rafael's finest to administer breathalyzers 15 minutes after every beer down.

433
00:25:54,000 --> 00:25:57,000
Okay, start drinking now.

434
00:25:57,000 --> 00:25:59,000
Cheers.

435
00:26:05,000 --> 00:26:08,000
Yeah, it's a tough job, but someone's got to do it.

436
00:26:08,000 --> 00:26:10,000
Cheers.

437
00:26:10,000 --> 00:26:13,000
I'm actually surprised that I'm a little cock-eyed.

438
00:26:13,000 --> 00:26:15,000
One beer, empty stomach.

439
00:26:15,000 --> 00:26:18,000
And apparently, Carrie's not the only one.

440
00:26:18,000 --> 00:26:21,000
You're going to fart on camera to prove that women actually do occasionally.

441
00:26:21,000 --> 00:26:24,000
I am so not going to do that.

442
00:26:24,000 --> 00:26:27,000
If my boyfriend finds out I fart, he might leave me.

443
00:26:27,000 --> 00:26:32,000
What I need you to do is just put your mouth over this tube here and blow.

444
00:26:32,000 --> 00:26:36,000
One beer and 15 minutes later, Carrie's ready for the test.

445
00:26:36,000 --> 00:26:38,000
I'll hold onto this.

446
00:26:38,000 --> 00:26:42,000
Keep going, keep going, keep going, keep going, keep going.

447
00:26:42,000 --> 00:26:44,000
Okay.

448
00:26:44,000 --> 00:26:46,000
What do you want right there?

449
00:26:46,000 --> 00:26:48,000
0.038.

450
00:26:48,000 --> 00:26:49,000
Halfway there.

451
00:26:49,000 --> 00:26:51,000
That means I get another beer?

452
00:26:51,000 --> 00:26:53,000
Officer, would you have me a beer?

453
00:26:55,000 --> 00:26:57,000
You're next, Adam.

454
00:26:57,000 --> 00:27:00,000
Go, go, go, go, keep going.

455
00:27:00,000 --> 00:27:02,000
Go, go, go.

456
00:27:02,000 --> 00:27:04,000
I bet I need another beer.

457
00:27:04,000 --> 00:27:06,000
0.027.

458
00:27:06,000 --> 00:27:08,000
0.027.

459
00:27:08,000 --> 00:27:10,000
It sounds like I have a lot more to drink.

460
00:27:10,000 --> 00:27:12,000
Now there's something you don't hear every day.

461
00:27:12,000 --> 00:27:14,000
Keep going, keep going, keep going.

462
00:27:14,000 --> 00:27:17,000
Closer, but you can go higher, Carrie.

463
00:27:17,000 --> 00:27:20,000
What do you say she completes the other half beer and starts?

464
00:27:20,000 --> 00:27:22,000
It's not even half, it's like a third.

465
00:27:22,000 --> 00:27:24,000
0.515.

466
00:27:24,000 --> 00:27:26,000
0.515. I think I need another beer.

467
00:27:26,000 --> 00:27:28,000
Here we go.

468
00:27:28,000 --> 00:27:31,000
Let's hope Carrie's second beer is a charm.

469
00:27:31,000 --> 00:27:33,000
There you go.

470
00:27:33,000 --> 00:27:35,000
That's it.

471
00:27:35,000 --> 00:27:37,000
Beautiful.

472
00:27:37,000 --> 00:27:39,000
We're going to get 50 more. 0.75.

473
00:27:39,000 --> 00:27:42,000
And Adam's third tips the scales.

474
00:27:42,000 --> 00:27:44,000
0.7.

475
00:27:44,000 --> 00:27:46,000
0.7.

476
00:27:46,000 --> 00:27:48,000
Alright. Let's try with 0.7.

477
00:27:48,000 --> 00:27:50,000
They're rock.

478
00:27:50,000 --> 00:27:52,000
Now it's time to roll.

479
00:27:52,000 --> 00:27:54,000
Come on, come on, come on.

480
00:27:54,000 --> 00:27:56,000
Let's go to the sea.

481
00:27:56,000 --> 00:28:00,000
It's finally time to test the aircraft killer Brace position

482
00:28:00,000 --> 00:28:03,000
and Adam's singing with excitement.

483
00:28:03,000 --> 00:28:08,000
A buster and part of his extended family are going to be joining him on this drop.

484
00:28:08,000 --> 00:28:12,000
This first test buster is going to be sitting upright, not in the brace position.

485
00:28:12,000 --> 00:28:19,000
This is the, you know, the control and Grant is actually setting up the accelerometer in buster's head.

486
00:28:19,000 --> 00:28:26,000
He's already got his broken neck rig and we're just going to see if there's any difference between this and the brace position.

487
00:28:26,000 --> 00:28:28,000
We're dropping him from 15 feet.

488
00:28:28,000 --> 00:28:34,000
That should give us the absolutely FAA specced speed of 35 feet per second.

489
00:28:34,000 --> 00:28:37,000
Should be between 30 and 40 G's of impact.

490
00:28:37,000 --> 00:28:40,000
And, uh, well I think all hell's going to break this one.

491
00:28:40,000 --> 00:28:42,000
This is going to be an absolute horror drop.

492
00:28:42,000 --> 00:28:44,000
That all looks really good.

493
00:28:44,000 --> 00:28:45,000
Wow.

494
00:28:45,000 --> 00:28:48,000
That seems really high.

495
00:28:48,000 --> 00:28:50,000
You're good to go.

496
00:28:50,000 --> 00:28:51,000
Alright.

497
00:28:51,000 --> 00:28:53,000
And five.

498
00:28:53,000 --> 00:28:54,000
Four.

499
00:28:54,000 --> 00:28:55,000
Three.

500
00:28:55,000 --> 00:28:56,000
Two.

501
00:28:56,000 --> 00:28:57,000
One.

502
00:29:03,000 --> 00:29:06,000
That was a perfect, perfect drop.

503
00:29:06,000 --> 00:29:07,000
Woo!

504
00:29:08,000 --> 00:29:11,000
Easy for you to say Adam, you weren't on board.

505
00:29:11,000 --> 00:29:13,000
It was quite an impact.

506
00:29:13,000 --> 00:29:17,000
It, uh, you know, really kind of made the whole concrete area here shudder.

507
00:29:17,000 --> 00:29:19,000
That's a thousand pounds.

508
00:29:19,000 --> 00:29:20,000
It's really solid.

509
00:29:20,000 --> 00:29:22,000
All the seats are trashed.

510
00:29:22,000 --> 00:29:24,000
Wow.

511
00:29:24,000 --> 00:29:25,000
It was well balanced.

512
00:29:25,000 --> 00:29:26,000
It hit hard.

513
00:29:26,000 --> 00:29:27,000
It's amazed.

514
00:29:27,000 --> 00:29:30,000
So was it a regulation drop?

515
00:29:30,000 --> 00:29:31,000
Oh, that is really cool.

516
00:29:31,000 --> 00:29:32,000
Check out the replay.

517
00:29:32,000 --> 00:29:36,000
We met the FAA guidelines for a crash test perfectly.

518
00:29:36,000 --> 00:29:37,000
It couldn't have gone any better.

519
00:29:37,000 --> 00:29:43,000
I mean, we had 41 feet per second, 54 millisecond collision time,

520
00:29:43,000 --> 00:29:45,000
and 21 G's subjected to the frame.

521
00:29:45,000 --> 00:29:47,000
It's perfectly within the guidelines.

522
00:29:47,000 --> 00:29:49,000
So I'm feeling really good about this test,

523
00:29:49,000 --> 00:29:51,000
and I think it's extremely valid.

524
00:29:51,000 --> 00:29:53,000
Let's see what Buster has to tell us.

525
00:29:53,000 --> 00:29:56,000
So, do you want to check his chest meters?

526
00:29:56,000 --> 00:29:57,000
I would love to.

527
00:29:59,000 --> 00:30:00,000
What do you got?

528
00:30:00,000 --> 00:30:01,000
Ah!

529
00:30:02,000 --> 00:30:03,000
Woo-hoo!

530
00:30:04,000 --> 00:30:05,000
Not even the 50's.

531
00:30:05,000 --> 00:30:10,000
That means Buster's body withstood less than 50 G's of force on impact,

532
00:30:10,000 --> 00:30:12,000
meaning his body weathered the crash.

533
00:30:12,000 --> 00:30:15,000
Probably the seat cushion absorbed a lot of that shock.

534
00:30:16,000 --> 00:30:18,000
But what about his head?

535
00:30:18,000 --> 00:30:20,000
What did your meter read, the accelerometer?

536
00:30:20,000 --> 00:30:26,000
The accelerometer gave me 56.4 G's, so no serious head injury there.

537
00:30:26,000 --> 00:30:32,000
It takes a minimum of 100 G's to the head to sustain major trauma.

538
00:30:32,000 --> 00:30:36,000
So Buster will live, but he's going to have one major headache.

539
00:30:36,000 --> 00:30:39,000
Check out this tray table here.

540
00:30:39,000 --> 00:30:41,000
So, what was the neck injury?

541
00:30:41,000 --> 00:30:45,000
So, the neck injury, the meter read 4.67 K,

542
00:30:45,000 --> 00:30:51,000
which isn't even close to our threshold for serious neck injury of 6.7 K.

543
00:30:51,000 --> 00:30:54,000
That means Buster's neck didn't bend back far enough

544
00:30:54,000 --> 00:30:57,000
to indicate significant damage on the arm eater.

545
00:30:57,000 --> 00:31:00,000
I tell you, it's pretty much a real testament to how these seats are built,

546
00:31:00,000 --> 00:31:03,000
that with a fall like that, the seats collapsing all around you,

547
00:31:03,000 --> 00:31:05,000
there may be some broken legs,

548
00:31:05,000 --> 00:31:07,000
but all of these passengers would have survived this fall.

549
00:31:07,000 --> 00:31:08,000
Absolutely.

550
00:31:08,000 --> 00:31:09,000
It's pretty amazing.

551
00:31:09,000 --> 00:31:13,000
Everything we have says this is a survivable type of drop.

552
00:31:14,000 --> 00:31:19,000
So, the very next thing to do is to pull Buster down off this rig,

553
00:31:19,000 --> 00:31:23,000
reset him for test number two, which is the brace position test,

554
00:31:23,000 --> 00:31:25,000
and in fact, in resetting this rig,

555
00:31:25,000 --> 00:31:29,000
we have to pretty much rebuild the whole thing to test it twice.

556
00:31:29,000 --> 00:31:33,000
Well, here's one serious injury.

557
00:31:33,000 --> 00:31:37,000
All things considered, that's not so bad, right?

558
00:31:37,000 --> 00:31:39,000
Wrong.

559
00:31:40,000 --> 00:31:44,000
You'd definitely not be able to make your way to the safety exit with a broken femur.

560
00:31:44,000 --> 00:31:49,000
Only 20% of people die on impact in an airplane crash.

561
00:31:49,000 --> 00:31:52,000
80% survive, and I think we've shown that.

562
00:31:52,000 --> 00:31:56,000
The rest die from smoke inhalation and fire damage.

563
00:31:56,000 --> 00:32:01,000
So, it's not, specifically, it's not being able to get out of your seat that will kill you.

564
00:32:01,000 --> 00:32:02,000
Okay.

565
00:32:02,000 --> 00:32:06,000
Well, maybe the brace position will spare Buster that trauma.

566
00:32:07,000 --> 00:32:11,000
I'm going to see if we have any difference between the brace and the non-brace position.

567
00:32:11,000 --> 00:32:14,000
The brace position that we're testing, basically an economy,

568
00:32:14,000 --> 00:32:17,000
you don't have the same room that you do in the business class.

569
00:32:17,000 --> 00:32:23,000
Business class has the best position, which would be down, holding onto your knees, flat down.

570
00:32:23,000 --> 00:32:25,000
But since economy, the seats are a little close together,

571
00:32:25,000 --> 00:32:29,000
you're going to be holding onto the back of the seat and dispersing the g-force,

572
00:32:29,000 --> 00:32:32,000
basically on the seat instead of on your neck.

573
00:32:32,000 --> 00:32:35,000
So, how do you get a dummy to assume the position?

574
00:32:35,000 --> 00:32:39,000
We're tying the hands and heads down so that way when we drop the gantry,

575
00:32:39,000 --> 00:32:41,000
it keeps it in its brace position.

576
00:32:41,000 --> 00:32:44,000
Definitely not going to affect the test, because once this gantry hits the ground,

577
00:32:44,000 --> 00:32:46,000
it's going to break the string.

578
00:32:46,000 --> 00:32:48,000
All right, you can take it up.

579
00:32:50,000 --> 00:32:52,000
And what goes up?

580
00:32:53,000 --> 00:32:55,000
Three, two, one.

581
00:32:55,000 --> 00:32:57,000
Must come down.

582
00:32:59,000 --> 00:33:02,000
Time to check Buster's gauges again.

583
00:33:02,000 --> 00:33:04,000
None of them tripped on his chest.

584
00:33:04,000 --> 00:33:07,000
Yeah, but how's the damage to Buster's head look?

585
00:33:07,000 --> 00:33:16,000
The accelerometer has only 34 Gs to the head, so I didn't even trip a major event.

586
00:33:16,000 --> 00:33:22,000
That's nearly 20 Gs of force less to Buster's head than when he sat unbrazed.

587
00:33:22,000 --> 00:33:26,000
And the gauge in his neck measured less deflection as well,

588
00:33:26,000 --> 00:33:29,000
meaning it didn't even come close to braking.

589
00:33:30,000 --> 00:33:34,000
So, while this looks really bad, like a huge amount of carnage,

590
00:33:34,000 --> 00:33:38,000
it's actually, as far as injury goes, not that bad.

591
00:33:38,000 --> 00:33:43,000
So, when sitting in economy, the brace position may literally save your neck.

592
00:33:45,000 --> 00:33:48,000
But probably not your legs.

593
00:33:48,000 --> 00:33:51,000
It's a pretty consistent injury to the broken femur.

594
00:33:51,000 --> 00:33:54,000
Even if you get survived, you're stuck in these chairs.

595
00:33:54,000 --> 00:33:56,000
That can't be good.

596
00:33:56,000 --> 00:34:01,000
The biggest damage that chairs take is damage that's not being transferred to your body.

597
00:34:01,000 --> 00:34:04,000
It's like in a motorcycle accident, you want to see a crack in your motorcycle helmet

598
00:34:04,000 --> 00:34:07,000
because it meant it took all that force away from your head.

599
00:34:07,000 --> 00:34:09,000
It's the same thing here.

600
00:34:09,000 --> 00:34:15,000
Amazingly, this drop supports our primary thesis and all of the data we've collected so far.

601
00:34:15,000 --> 00:34:20,000
And that is that not only is the brace position not designed to kill you outright,

602
00:34:20,000 --> 00:34:26,000
but it is the safest position to get yourself into in the event of a collision or an air crash.

603
00:34:26,000 --> 00:34:31,000
So, busted in the cheap seats, but first class is up next.

604
00:34:31,000 --> 00:34:33,000
Jamie, you ready?

605
00:34:37,000 --> 00:34:41,000
Busters back and ready for another brace position crash,

606
00:34:41,000 --> 00:34:44,000
but no more cheap seats for him.

607
00:34:44,000 --> 00:34:46,000
He had a few too many to drink.

608
00:34:46,000 --> 00:34:49,000
This time, he's flying first class.

609
00:34:49,000 --> 00:34:55,000
Sure, wider seats and plenty of leg room makes the flight more comfortable than coach.

610
00:34:55,000 --> 00:34:57,000
Like first class.

611
00:34:57,000 --> 00:34:59,000
But does it make it safer?

612
00:34:59,000 --> 00:35:03,000
You can actually get all the way down on your knees and grab your ankles.

613
00:35:03,000 --> 00:35:05,000
So, we're going to pull his legs back.

614
00:35:05,000 --> 00:35:06,000
Yeah.

615
00:35:06,000 --> 00:35:08,000
Three, two, one.

616
00:35:12,000 --> 00:35:17,000
Watching something spun into the ground never grows old.

617
00:35:17,000 --> 00:35:18,000
Wow.

618
00:35:18,000 --> 00:35:22,000
The seats look like they stood up better than the economy seats.

619
00:35:22,000 --> 00:35:24,000
Yeah, but how about the passenger?

620
00:35:24,000 --> 00:35:26,000
We lost a leg.

621
00:35:26,000 --> 00:35:31,000
Okay, so at first glance, maybe more leg room isn't such a bonus.

622
00:35:31,000 --> 00:35:32,000
Check it out.

623
00:35:32,000 --> 00:35:33,000
Whoa, dude.

624
00:35:33,000 --> 00:35:35,000
Two places here and here.

625
00:35:35,000 --> 00:35:37,000
We got a broken femur and tibia fibula.

626
00:35:37,000 --> 00:35:40,000
But how'd the rest of Busters body fare?

627
00:35:40,000 --> 00:35:44,000
The G-Force accelerometers on his body look good.

628
00:35:44,000 --> 00:35:46,000
Check them and they were all none of them were set off.

629
00:35:46,000 --> 00:35:48,000
So, we didn't get about 50 on the chest?

630
00:35:48,000 --> 00:35:49,000
No.

631
00:35:50,000 --> 00:35:52,000
No deflection.

632
00:35:52,000 --> 00:35:55,000
And the head accelerometer reads 43 Gs.

633
00:35:55,000 --> 00:36:00,000
Nearly the same force achieved when Buster assumed the brace position in economy.

634
00:36:00,000 --> 00:36:05,000
Because you had no seat in front of you, you know, he went all the way and bonked his head on the ground, practically.

635
00:36:05,000 --> 00:36:06,000
Yeah.

636
00:36:06,000 --> 00:36:12,000
But I think some of it is because he can bend a little more flexibly than people who are not yogic masters.

637
00:36:12,000 --> 00:36:17,000
So, still not enough to reach the threshold of like serious head damage.

638
00:36:17,000 --> 00:36:18,000
But it's a bump on the head.

639
00:36:18,000 --> 00:36:20,000
It is a bump on the head, yeah.

640
00:36:20,000 --> 00:36:22,000
But not serious head injury.

641
00:36:22,000 --> 00:36:25,000
Two aspirin ought to take away that headache.

642
00:36:25,000 --> 00:36:28,000
Assuming Buster didn't break his neck.

643
00:36:28,000 --> 00:36:30,000
Matt, what'd you get on the neck potentiometer?

644
00:36:30,000 --> 00:36:32,000
I had almost no deflection.

645
00:36:32,000 --> 00:36:34,000
4.43 K.

646
00:36:34,000 --> 00:36:37,000
So, serious injury?

647
00:36:37,000 --> 00:36:38,000
No, not even close.

648
00:36:38,000 --> 00:36:40,000
There's no serious neck injury at all.

649
00:36:40,000 --> 00:36:46,000
I think it's because there's no seat back in front of him that he's hitting his head on and pushing the neck.

650
00:36:46,000 --> 00:36:51,000
He might have gotten a bang, but it wasn't a neck snapping bang.

651
00:36:51,000 --> 00:36:55,000
I mean, you might not have head or neck trauma, but you wouldn't be able to make it to the exit.

652
00:36:55,000 --> 00:36:58,000
And again, that supports the data that we have.

653
00:36:58,000 --> 00:37:00,000
Break your leg. You can't get out of the plane.

654
00:37:00,000 --> 00:37:02,000
All right, cool. Let's set up for the next test.

655
00:37:02,000 --> 00:37:10,000
So, overall, Buster fared slightly better when assuming the brace position in first class than when in economy.

656
00:37:10,000 --> 00:37:14,000
He's going to have some aches and pains, but at least he lived.

657
00:37:16,000 --> 00:37:22,000
For their final drop, the team's going to test the only seat on the plane facing in the opposite direction.

658
00:37:22,000 --> 00:37:25,000
The flight attendancy.

659
00:37:25,000 --> 00:37:28,000
Buster's never been a flight attendant before.

660
00:37:28,000 --> 00:37:31,000
It's very exciting for you. Career change.

661
00:37:31,000 --> 00:37:35,000
Good morning, everyone. My name is Adam and I'll be your flight attendant today.

662
00:37:35,000 --> 00:37:41,000
On behalf of our San Francisco-based flight crew here on this bus stair, we welcome you to your flight.

663
00:37:41,000 --> 00:37:45,000
That flight's going to be about 40 to 80 a millisecond.

664
00:37:45,000 --> 00:37:50,000
And it might be a sharp bump at the bottom, but rest assured there's people here that can put you back together.

665
00:37:50,000 --> 00:37:53,000
Three, two, one!

666
00:37:54,000 --> 00:38:01,000
All right. It's almost no change at all.

667
00:38:01,000 --> 00:38:06,000
The voltmeter indicated that Buster's neck hardly moved.

668
00:38:06,000 --> 00:38:12,000
There's almost no deflection, and that's because the head was fully supported by that back seat rest.

669
00:38:12,000 --> 00:38:15,000
The possibility of neck injury was greatly minimized.

670
00:38:15,000 --> 00:38:21,000
I'm going to get the data out of his head three-quarter.

671
00:38:21,000 --> 00:38:25,000
I got a peak of 87.4 Gs.

672
00:38:25,000 --> 00:38:32,000
You can see it in the high speed. His whole body bent forward, but there wasn't enough huge whiplash kind of crack.

673
00:38:32,000 --> 00:38:42,000
87 Gs. That's nearly twice the amount of force sustained in either the economy or first-class drop tests, braced or unbraced.

674
00:38:42,000 --> 00:38:46,000
And the accelerometers on the chest aren't painting a pretty picture either.

675
00:38:46,000 --> 00:38:50,000
We tripped the 50 G meter. Really? Yeah.

676
00:38:50,000 --> 00:38:55,000
So is flying rear-facing really safer than flying the conventional way?

677
00:38:55,000 --> 00:38:58,000
Dr. John Paul Strap believed so.

678
00:38:58,000 --> 00:39:09,000
Dr. Strap's crash survival research program proved that humans can in fact sustain much higher G forces in the backwards-facing position.

679
00:39:09,000 --> 00:39:14,000
Topping out at a peak load of 85 Gs.

680
00:39:15,000 --> 00:39:21,000
But engineer Richard Dewey isn't quite ready to turn all the airline seats around just yet.

681
00:39:21,000 --> 00:39:32,000
While a rear-facing seat will spread the loads out better during a forward impact, it also has you facing rearward and all that flying debris is now coming at you.

682
00:39:32,000 --> 00:39:39,000
A well-designed rear-facing seat, there's nothing wrong with it, but a forward-facing one can be just as safe as if it's designed as well.

683
00:39:39,000 --> 00:39:46,000
Let's hope so, because the next drop has the mythbusters putting themselves on the line.

684
00:39:46,000 --> 00:39:51,000
It's round three of the cell phone versus drunk driving test.

685
00:39:51,000 --> 00:39:55,000
And Carrie and Adam are fueled up and ready to go.

686
00:39:55,000 --> 00:40:01,000
They've already passed the control run, but failed the course while talking on the phone.

687
00:40:01,000 --> 00:40:10,000
Now they've consumed just enough alcohol and on empty stomachs no less to remain below the legal limit while driving the course a third time.

688
00:40:10,000 --> 00:40:14,000
Oh my God, you're getting in my car?

689
00:40:14,000 --> 00:40:20,000
And once again, the instructor puts his life on the line to grade their performances.

690
00:40:20,000 --> 00:40:25,000
Being the fact that we're only going to potentially knock over a few cones, I'm just fine.

691
00:40:25,000 --> 00:40:30,000
Let's hope Carrie's driving isn't that bad.

692
00:40:30,000 --> 00:40:32,000
And go!

693
00:40:32,000 --> 00:40:35,000
First obstacle, the brake test.

694
00:40:35,000 --> 00:40:38,000
That's a stop sign, Carrie.

695
00:40:38,000 --> 00:40:40,000
Slow down, hold up!

696
00:40:40,000 --> 00:40:46,000
We did go past the stop sign here right off the bat by about four or five feet, so we ended up in the crosswalk.

697
00:40:46,000 --> 00:40:51,000
Not a promising start, and parallel parking is up next.

698
00:40:51,000 --> 00:40:58,000
Actually, I gave her the parking. It was one of her best efforts. It was marginally good.

699
00:40:58,000 --> 00:41:05,000
Here comes the road timing test. Remember, it's got to be done in 45 seconds.

700
00:41:05,000 --> 00:41:10,000
Uh-oh, 30 seconds. That's going to cost ya.

701
00:41:10,000 --> 00:41:17,000
Hope you do better on the accident avoidance test.

702
00:41:17,000 --> 00:41:21,000
We pretty much killed a couple cones over in the accident avoidance.

703
00:41:21,000 --> 00:41:23,000
Or maybe not.

704
00:41:23,000 --> 00:41:26,000
I also think I took out a few cones.

705
00:41:26,000 --> 00:41:32,000
A few cones, you blew away half the obstacles, Carrie. That's what's known as a failure.

706
00:41:32,000 --> 00:41:37,000
Can we stop using the word failure and just be like, I didn't succeed?

707
00:41:37,000 --> 00:41:44,000
I am feeling a little bit tired and tipsy, and I'm definitely done with this experiment,

708
00:41:44,000 --> 00:41:48,000
because I don't usually drink beers during the day in the sun.

709
00:41:48,000 --> 00:41:52,000
All I want to do is go to sleep now and maybe eat something.

710
00:41:52,000 --> 00:41:53,000
No, I'm done.

711
00:41:53,000 --> 00:41:57,000
Go ahead, Carrie, indulge. You've earned it.

712
00:41:57,000 --> 00:42:01,000
I'm going to eat pizza in a minute. That's all I really care about.

713
00:42:01,000 --> 00:42:04,000
You'll get your reward soon enough, Adam.

714
00:42:04,000 --> 00:42:06,000
And go!

715
00:42:11,000 --> 00:42:14,000
Assuming you can ever park.

716
00:42:14,000 --> 00:42:17,000
Well, we saw the parking, so that was a little off.

717
00:42:24,000 --> 00:42:28,000
There was a couple times that I reminded him to look both ways,

718
00:42:28,000 --> 00:42:32,000
and I gave him kind of a half fail on that.

719
00:42:32,000 --> 00:42:36,000
He's coming down the home stretch, just one challenge left.

720
00:42:36,000 --> 00:42:41,000
The only thing with the accident avoidance, he did do it, but he kind of slowed down to the whole thing.

721
00:42:41,000 --> 00:42:46,000
It's not looking good, Adam. Like Carrie, you failed nearly half the course.

722
00:42:46,000 --> 00:42:48,000
Two and a half fails, I guess.

723
00:42:48,000 --> 00:42:50,000
So you just like kind of suck?

724
00:42:50,000 --> 00:42:52,000
I don't kind of suck.

725
00:42:52,000 --> 00:43:00,000
I mean, I was definitely impaired enough that, you know, it's the sort of impaired you want to keep people off the road at that level.

726
00:43:00,000 --> 00:43:07,000
That's right. Not only is drinking and driving not smart, it's illegal and very dangerous.

727
00:43:07,000 --> 00:43:10,000
So what's the final word?

728
00:43:10,000 --> 00:43:15,000
Clearly the results show that talking on the cell phone or driving is potentially as dangerous as driving drunk.

729
00:43:15,000 --> 00:43:23,000
I mean, we failed both the cell phone and the drunk driving tests, but we failed the cell phone test by a much bigger margin.

730
00:43:23,000 --> 00:43:32,000
However, all that being said, I still think that you can always put down the cell phone if something's happening that you've got to deal with.

731
00:43:32,000 --> 00:43:36,000
You can't exactly, so at least I can't exactly just stop being drunk.

732
00:43:36,000 --> 00:43:38,000
So what do you reckon? Confirmed, busted or plausible?

733
00:43:38,000 --> 00:43:41,000
It's absolutely confirmed.

734
00:43:41,000 --> 00:43:43,000
I agree, confirmed.

735
00:43:43,000 --> 00:43:45,000
I'm a little shocked.

736
00:43:52,000 --> 00:43:57,000
MythBuster is ready for its final takeoff and crash landing.

737
00:43:57,000 --> 00:44:02,000
Only this time, they're testing the brace position with a different set of dummies.

738
00:44:02,000 --> 00:44:10,000
We're about to do the MythBuster's body on a line test of what it's like to drop from a height while sitting in airline seats.

739
00:44:10,000 --> 00:44:14,000
And then we're going to strap ourselves in and go for a very short ride.

740
00:44:14,000 --> 00:44:24,000
The potential for injury if we did this improperly is fairly hot, so we're going to do it in a very safe and controlled manner, only from about 5 feet.

741
00:44:24,000 --> 00:44:28,000
Our calculations say we shouldn't pull any more than about 3 Gs.

742
00:44:28,000 --> 00:44:34,000
But just in case, they'll wear shock stickers to see if their fall surpasses 50 Gs.

743
00:44:34,000 --> 00:44:37,000
This is the source of all my special powers.

744
00:44:38,000 --> 00:44:40,000
There we go.

745
00:44:40,000 --> 00:44:42,000
Can you see felt it in?

746
00:44:42,000 --> 00:44:45,000
TEMPER! Don't tense up your arms!

747
00:44:47,000 --> 00:44:50,000
What's the worst thing that can happen to me? I don't know, bring my neck.

748
00:44:50,000 --> 00:44:55,000
Buster broke two Vemurs in every single test we did, but we were dropping him from 15 feet.

749
00:44:55,000 --> 00:44:59,000
We're only dropping from 5, which it doesn't look that high.

750
00:44:59,000 --> 00:45:03,000
It does look high, but it's not.

751
00:45:03,000 --> 00:45:05,000
Let's raise it up!

752
00:45:06,000 --> 00:45:11,000
I promise my mom I wouldn't do anything dumb and unsafe again.

753
00:45:11,000 --> 00:45:13,000
What's that look like you didn't keep your promise?

754
00:45:13,000 --> 00:45:15,000
It's like, let's get it going.

755
00:45:17,000 --> 00:45:21,000
It looks a little high, but I think you guys are in good shape.

756
00:45:21,000 --> 00:45:28,000
I would be right up there with you if it wasn't for that prior back injury and the insurance people.

757
00:45:28,000 --> 00:45:29,000
Right.

758
00:45:29,000 --> 00:45:32,000
Let's do it before I change my mind.

759
00:45:32,000 --> 00:45:37,000
In 5, 4, 3, 2, 1!

760
00:45:46,000 --> 00:45:50,000
I smashed my head into the seat. That felt terrible.

761
00:45:50,000 --> 00:45:52,000
My head's fine, my glasses are broken.

762
00:45:54,000 --> 00:45:56,000
I banged my knee into the chair in front of me.

763
00:45:56,000 --> 00:45:58,000
Yeah, it's all right.

764
00:45:58,000 --> 00:46:00,000
Are you broken bones?

765
00:46:00,000 --> 00:46:03,000
No, but yeah, I'm good.

766
00:46:03,000 --> 00:46:05,000
My shins kind of hurt.

767
00:46:05,000 --> 00:46:08,000
Your seat absorbed a huge amount of energy.

768
00:46:08,000 --> 00:46:10,000
I mean, it's collapsed here.

769
00:46:10,000 --> 00:46:11,000
Really?

770
00:46:11,000 --> 00:46:15,000
So that's a good sign, because that energy would have been going into your spine.

771
00:46:15,000 --> 00:46:17,000
I feel like I need a drink.

772
00:46:17,000 --> 00:46:19,000
Yeah, I feel shaky.

773
00:46:19,000 --> 00:46:23,000
Really? But it seemed like such a good idea at the time.

774
00:46:23,000 --> 00:46:24,000
Oh my God!

775
00:46:24,000 --> 00:46:27,000
I smacked my knee into the front of the chair.

776
00:46:27,000 --> 00:46:29,000
That's going to be a bruise.

777
00:46:29,000 --> 00:46:32,000
Oh, hey, but you didn't break any bones.

778
00:46:32,000 --> 00:46:38,000
I would like to say I'm sorry to you, mom and dad.

779
00:46:38,000 --> 00:46:42,000
I don't know, I'm a little stupid.

780
00:46:42,000 --> 00:46:44,000
Look the wire out of my bra.

781
00:46:44,000 --> 00:46:46,000
Pop the wire straight out of our bra.

782
00:46:46,000 --> 00:46:47,000
Holy moly!

783
00:46:47,000 --> 00:46:48,000
Can I get a close-up?

784
00:46:48,000 --> 00:46:50,000
No, no, that's one close-up we don't need.

785
00:46:50,000 --> 00:46:53,000
Given the fact that we were at a 30 degree angle,

786
00:46:53,000 --> 00:46:58,000
the brace position probably kept all of us from having some type of head trauma

787
00:46:58,000 --> 00:47:02,000
because there's not a lot of holding yourself back with that kind of force,

788
00:47:02,000 --> 00:47:05,000
even with those like three or four Gs or whatever we were pulling.

789
00:47:05,000 --> 00:47:09,000
We would not have been able to hold our heads back, so I'm glad we had our heads like that.

790
00:47:09,000 --> 00:47:12,000
The worst thing was banging into the seat in front of me,

791
00:47:12,000 --> 00:47:15,000
and that really made it clear why you don't want your legs,

792
00:47:15,000 --> 00:47:18,000
why you don't want your feet under the seat ahead of you.

793
00:47:18,000 --> 00:47:21,000
The brace position definitely felt good.

794
00:47:21,000 --> 00:47:25,000
It felt like it took all of the energy and put it into the seat instead of my neck and head.

795
00:47:25,000 --> 00:47:30,000
So it was like that initial punch hurt, but I mean, you know, I'd go higher.

796
00:47:30,000 --> 00:47:35,000
The brace for impact position is definitely the position you want to get in if you have a chance to.

797
00:47:35,000 --> 00:47:45,000
Our tests have shown that it's at least three times safer than sitting upright and striking the seat.

798
00:47:45,000 --> 00:47:49,000
All right everybody, well, thank you for flying mid-bust air,

799
00:47:49,000 --> 00:47:53,000
on behalf of our San Francisco-based flight crew, Tory, Kerry and Adam.

800
00:47:53,000 --> 00:47:57,000
We know you have a choice of airlines, and we're glad you chose us.

801
00:48:01,000 --> 00:48:06,000
So the myth that the brace position in an airline crash is designed to kill you, what did we get?

802
00:48:06,000 --> 00:48:10,000
What were the final tally of numbers, Grant?

803
00:48:10,000 --> 00:48:17,000
Well, what we found was in the economy class that braced is definitely safer than unbraced,

804
00:48:17,000 --> 00:48:21,000
and the first class is safer still than economy class.

805
00:48:21,000 --> 00:48:33,000
And finally, the flight attendant seat was the safest of all, sustaining up to 80 Gs of damage and almost zero neck deflection.

806
00:48:33,000 --> 00:48:39,000
Well, and the other great success we had on this is we've added to the MythBusters family,

807
00:48:39,000 --> 00:48:45,000
we've got three new test dummies to abuse, and I think they've already performed admirably.

808
00:48:45,000 --> 00:48:50,000
Yes, they already show the scuff marks of some real MythBusters service.

809
00:48:50,000 --> 00:48:55,000
So what do you guys think? Plausible, confirmed, or busted?

810
00:48:55,000 --> 00:48:57,000
This one's totally, totally busted.

811
00:48:57,000 --> 00:48:58,000
Busted.

812
00:49:15,000 --> 00:49:20,000
Thanks for watching.