1 00:00:00,000 --> 00:00:03,000 Don't try what you're about to see at home. 2 00:00:30,000 --> 00:00:33,000 Hammer out a farmyard fashion disaster. 3 00:00:33,000 --> 00:00:36,000 Can we order some exploding pants? 4 00:00:36,000 --> 00:00:41,000 Can corrosive chemicals really cause trousers to turn torpedo? 5 00:00:41,000 --> 00:00:43,000 Three, two, one! 6 00:00:46,000 --> 00:00:48,000 You are the Mythbusters. 7 00:00:48,000 --> 00:00:50,000 Adam Savage. 8 00:00:50,000 --> 00:00:52,000 Anthroil over my head, man. 9 00:00:52,000 --> 00:00:53,000 And Jamie Heineman. 10 00:00:53,000 --> 00:00:55,000 Gets me all worked up, just looking at it. 11 00:00:56,000 --> 00:01:01,000 Between them, more than 30 years special effects experience. 12 00:01:01,000 --> 00:01:02,000 That was heavy. 13 00:01:02,000 --> 00:01:04,000 Joining them, Grant Imahara. 14 00:01:04,000 --> 00:01:06,000 Go get him, boy. 15 00:01:06,000 --> 00:01:07,000 Tori Belichi. 16 00:01:07,000 --> 00:01:08,000 Whoa! 17 00:01:08,000 --> 00:01:10,000 And Carrie Byron. 18 00:01:10,000 --> 00:01:11,000 That was crazy! 19 00:01:11,000 --> 00:01:13,000 They don't just tell the Myths. 20 00:01:13,000 --> 00:01:17,000 They put them to the test. 21 00:01:17,000 --> 00:01:27,000 First up, a myth from the very underside of the world. 22 00:01:27,000 --> 00:01:31,000 From the country that gave us the backdrop to the Lord of the Rings 23 00:01:31,000 --> 00:01:35,000 comes another explosive epic that would strike fear 24 00:01:35,000 --> 00:01:38,000 into even the most hardened Hobbit. 25 00:01:38,000 --> 00:01:41,000 The myth of the exploding trousers. 26 00:01:48,000 --> 00:01:49,000 Alright, this is a funny one. 27 00:01:49,000 --> 00:01:53,000 In 1931, in New Zealand, a sudden and deadly epidemic hit the country. 28 00:01:53,000 --> 00:01:55,000 Farmers' pants started exploding. 29 00:01:55,000 --> 00:01:57,000 Haha, you're kidding! 30 00:01:57,000 --> 00:01:58,000 Totally serious. 31 00:01:58,000 --> 00:02:01,000 They started exploding on the wash lines in front of fires 32 00:02:01,000 --> 00:02:03,000 and sometimes on the farmers themselves. 33 00:02:03,000 --> 00:02:06,000 We all know that there can be explosive chemicals on farms 34 00:02:06,000 --> 00:02:09,000 and it seems that the Kiwi farmers started using a new chemical 35 00:02:09,000 --> 00:02:12,000 which, once it stained their clothes, it could explode. 36 00:02:12,000 --> 00:02:14,000 This is too perfect for us. 37 00:02:14,000 --> 00:02:16,000 You guys aren't making this up. 38 00:02:16,000 --> 00:02:20,000 It brings new meaning to the term fashion disaster. 39 00:02:20,000 --> 00:02:24,000 The first victim survived when his trousers allegedly blew up 40 00:02:24,000 --> 00:02:28,000 in front of the fire, but others weren't so lucky. 41 00:02:28,000 --> 00:02:31,000 Well, I guess in order to make sure that these stories aren't exaggerated, 42 00:02:31,000 --> 00:02:35,000 your job is to get some farm-garden explosives and some pants. 43 00:02:35,000 --> 00:02:37,000 The pants are going to be the easy part, getting the explosives. 44 00:02:37,000 --> 00:02:39,000 That's going to be a little bit more difficult. 45 00:02:39,000 --> 00:02:41,000 Well, I've been doing a little bit of research 46 00:02:41,000 --> 00:02:44,000 and it seems like there could be four culprits to this. 47 00:02:44,000 --> 00:02:48,000 One, it could be made from gunpowder, or it could be made from herbicide, 48 00:02:48,000 --> 00:02:52,000 it could be made from fertilizer, or possibly even some acids. 49 00:02:52,000 --> 00:02:55,000 So your job is to get these together, mix them with some pants, 50 00:02:55,000 --> 00:02:57,000 and see which one goes boom? 51 00:02:57,000 --> 00:02:58,000 It's not really going to be that easy. 52 00:02:58,000 --> 00:03:00,000 We have two major issues to deal with. 53 00:03:00,000 --> 00:03:02,000 First of all, I'd like to start in the small scale 54 00:03:02,000 --> 00:03:05,000 because it's possible none of them work and then we're busted right there. 55 00:03:05,000 --> 00:03:08,000 Secondly, I'm pretty sure making explosives is illegal, 56 00:03:08,000 --> 00:03:10,000 so we're going to have to get the FBI involved. 57 00:03:10,000 --> 00:03:13,000 And we're also going to have to shoot this in a way that audiences can't copy us. 58 00:03:13,000 --> 00:03:17,000 Because let's face it, we don't want people going around making exploding pants. 59 00:03:17,000 --> 00:03:19,000 So that's the plan. 60 00:03:19,000 --> 00:03:23,000 The team is going to get hold of four common 1930s farm yard chemicals, 61 00:03:23,000 --> 00:03:30,000 add some secret ingredients, and see which, if any, can make trouser torpedoes. 62 00:03:30,000 --> 00:03:34,000 So, first things first, the hot pants. 63 00:03:34,000 --> 00:03:38,000 I have procured some 100% cotton overalls, 64 00:03:38,000 --> 00:03:41,000 and I'm cutting some swatches out of it that are going to be three by three squares 65 00:03:41,000 --> 00:03:44,000 so that we can do a few small scale experiments. 66 00:03:44,000 --> 00:03:47,000 To help reveal the killer culprit, 67 00:03:47,000 --> 00:03:51,000 the team is going to start the atomic trouser testing in miniature, 68 00:03:51,000 --> 00:03:56,000 where they're going to be helped by former FBI agent Frank Doyle. 69 00:03:56,000 --> 00:04:00,000 As Adam and Jamie know, Frank is a handy friend to have. 70 00:04:00,000 --> 00:04:06,000 These are .223 caliber tracer rounds. 71 00:04:06,000 --> 00:04:12,000 After all, it was Frank who helped shoot up a gas tank. 72 00:04:12,000 --> 00:04:14,000 Today are... 73 00:04:14,000 --> 00:04:18,000 This time, he's here to give up booms for beginners class. 74 00:04:18,000 --> 00:04:22,000 Just like the flight attendants tell you when you're flying on an airplane, 75 00:04:22,000 --> 00:04:25,000 safety is number one, so we want to do everything very safely. 76 00:04:25,000 --> 00:04:28,000 Frank's safety brief is crucial, 77 00:04:28,000 --> 00:04:33,000 because making farm yard explosions can be very, very dangerous. 78 00:04:33,000 --> 00:04:34,000 Any questions? 79 00:04:34,000 --> 00:04:38,000 I have one question. Did MythBusters have an FBI file? 80 00:04:38,000 --> 00:04:42,000 Oh, I don't know. That sounds like an administrative question. 81 00:04:42,000 --> 00:04:44,000 So it's classified, is that what you're saying? 82 00:04:44,000 --> 00:04:50,000 It's classified, just like the wretched recipes that the team is about to make. 83 00:04:50,000 --> 00:04:52,000 Starting with Grant. 84 00:04:52,000 --> 00:04:55,000 Okay, are you ready, Frank? 85 00:04:55,000 --> 00:04:56,000 Let's do it. 86 00:04:56,000 --> 00:05:00,000 Grant's farm ingredient is a 1930s fertilizer, 87 00:05:00,000 --> 00:05:05,000 but the rest of the concoction is a MythBusters secret. 88 00:05:05,000 --> 00:05:09,000 Start with drops, you'll need very little. 89 00:05:09,000 --> 00:05:15,000 It's a delicate operation, because one false move could spell disaster. 90 00:05:15,000 --> 00:05:18,000 Frank, this is like the world's most dangerous cooking show. 91 00:05:18,000 --> 00:05:24,000 With exploding tracer culprit one all cooked up, it's on to Carrie's number two. 92 00:05:24,000 --> 00:05:25,000 Okay. 93 00:05:25,000 --> 00:05:29,000 Black powder is something you would definitely find on a farm, 94 00:05:29,000 --> 00:05:34,000 and I'm not sure that everybody in New Zealand could be spreading this on their clothes 95 00:05:34,000 --> 00:05:38,000 enough to create quite a panic, but it is something explosive. 96 00:05:38,000 --> 00:05:41,000 But because black powder won't cling on clothes, 97 00:05:41,000 --> 00:05:45,000 Carrie's turning it into a sticky liquid sludge. 98 00:05:45,000 --> 00:05:46,000 It's looking good. 99 00:05:46,000 --> 00:05:49,000 Okay, that's it for the black powder laundry. 100 00:05:49,000 --> 00:05:51,000 So it's time for Tori. 101 00:05:51,000 --> 00:05:56,000 What I have right now is a herbicide, and they used it in New Zealand where this myth came from. 102 00:05:56,000 --> 00:05:58,000 This could be potentially explosive. 103 00:05:58,000 --> 00:06:03,000 Tori's herbicide is another culprit in this clothing conundrum. 104 00:06:03,000 --> 00:06:06,000 Frank, why are you standing so far away? 105 00:06:06,000 --> 00:06:08,000 Because I want to continue to live. 106 00:06:08,000 --> 00:06:12,000 So then the next question is why am I standing so close? 107 00:06:12,000 --> 00:06:18,000 With this third suspect close to finishing, it's back to Carrie for the final rancid recipe. 108 00:06:18,000 --> 00:06:20,000 Gun cotton. 109 00:06:20,000 --> 00:06:23,000 We know for a fact that when we make the nitrocellulose, 110 00:06:23,000 --> 00:06:27,000 it's actually going to change the properties of this cotton 111 00:06:27,000 --> 00:06:30,000 and make it into something totally different, which is definitely explosive. 112 00:06:30,000 --> 00:06:32,000 So we've done this before. 113 00:06:32,000 --> 00:06:35,000 We made gun cotton in the Confederate rocket story. 114 00:06:35,000 --> 00:06:38,000 So I'm somewhat of an expert. 115 00:06:38,000 --> 00:06:41,000 Don't be tricked by its cuddly appearance. 116 00:06:41,000 --> 00:06:46,000 It was Carrie's cotton wool that gave the Confederate rocket its initial thrust. 117 00:06:50,000 --> 00:06:54,000 And just like before, making it is pretty hazardous. 118 00:06:54,000 --> 00:06:57,000 Let's see how that smoke comes off. That doesn't look so good. 119 00:06:57,000 --> 00:07:00,000 Yeah, this stuff is nasty. 120 00:07:00,000 --> 00:07:06,000 Because Carrie is so confident that this will have explosive results in the small-scale testing, 121 00:07:06,000 --> 00:07:12,000 she's also going to prepare a full pair of gun cotton pants for when the team ramps things up. 122 00:07:12,000 --> 00:07:17,000 So are we ready for our giant fallout cloud of badness? 123 00:07:18,000 --> 00:07:20,000 Under Frank's careful supervision, 124 00:07:20,000 --> 00:07:26,000 Carrie starts mixing alarmingly large amounts of the hazardous ingredients. 125 00:07:28,000 --> 00:07:32,000 Okay, we are going to wait five minutes. 126 00:07:32,000 --> 00:07:37,000 But almost immediately, the reaction starts the spiral out of control. 127 00:07:37,000 --> 00:07:41,000 The pants plume out more smoke than a Baltimore bingo hall, 128 00:07:41,000 --> 00:07:43,000 and then they start dissolving. 129 00:07:43,000 --> 00:07:47,000 That's one minute so far. Four minutes to go. 130 00:07:47,000 --> 00:07:49,000 Is there going to be any chance left? 131 00:07:49,000 --> 00:07:52,000 It's all gone a bit pear-shaped. 132 00:07:52,000 --> 00:07:54,000 Oh, parking the car! 133 00:07:55,000 --> 00:07:59,000 So Carrie and Tori follow the Mythbusters mantra. 134 00:07:59,000 --> 00:08:02,000 If anyone knows what to do, it's Jamie. 135 00:08:02,000 --> 00:08:05,000 Wow, this stuff is nasty. 136 00:08:05,000 --> 00:08:07,000 Fire in the hole! 137 00:08:07,000 --> 00:08:10,000 Later, Busters bloomers go ballistic. 138 00:08:11,000 --> 00:08:15,000 But next up, it's the Mythbusters mechanics. 139 00:08:15,000 --> 00:08:18,000 Super efficient carburetor mind. 140 00:08:29,000 --> 00:08:31,000 So what do we got? 141 00:08:31,000 --> 00:08:34,000 Well, this one is the great gas conspiracy, 142 00:08:34,000 --> 00:08:38,000 and it is that the automakers and the fuel suppliers are in collusion with each other 143 00:08:38,000 --> 00:08:42,000 to keep us dependent on expensive gasoline and inefficient cars. 144 00:08:42,000 --> 00:08:46,000 And there is a host of devices out there that are supposed to help you beat them 145 00:08:46,000 --> 00:08:48,000 and stick it to the man. 146 00:08:48,000 --> 00:08:50,000 That'd be great. 147 00:08:50,000 --> 00:08:53,000 So we're going to blow the lid off this thing. 148 00:08:55,000 --> 00:08:59,000 Conspiracy theorists say oil companies and car makers share the profits 149 00:08:59,000 --> 00:09:03,000 gained by deliberately keeping cars inefficient. 150 00:09:03,000 --> 00:09:07,000 But there are a whole host of devices that can supposedly cut your fuel 151 00:09:07,000 --> 00:09:09,000 consumption dramatically. 152 00:09:09,000 --> 00:09:14,000 And the Magnetic Mythbusters are going to put these to the test. 153 00:09:14,000 --> 00:09:16,000 What's the plan? 154 00:09:16,000 --> 00:09:18,000 Well, you know, some of these devices work on carbureted cars, 155 00:09:18,000 --> 00:09:20,000 and some of them work on fuel-injected cars. 156 00:09:20,000 --> 00:09:22,000 Sounds like we should get one of each type. 157 00:09:22,000 --> 00:09:24,000 Absolutely. 158 00:09:24,000 --> 00:09:28,000 And you know, the other thing is, I say we do this under super controlled lab conditions. 159 00:09:28,000 --> 00:09:31,000 Well, they have those things, I think they're called dynamometers. 160 00:09:31,000 --> 00:09:34,000 Oh, the thing they put the cars on while they're testing their stationary? 161 00:09:34,000 --> 00:09:39,000 And we should also put the gasoline in an exterior vessel that we can track 162 00:09:39,000 --> 00:09:42,000 and we can visually see how much we're consuming. 163 00:09:42,000 --> 00:09:46,000 I don't think anyone will have any ability to complain about our methodology here. 164 00:09:46,000 --> 00:09:49,000 They will. 165 00:09:50,000 --> 00:09:53,000 First things first, the cars. 166 00:09:53,000 --> 00:09:58,000 Car 1 is a mid-90s fuel-injected run-of-the-mill run-around. 167 00:09:58,000 --> 00:10:03,000 But carburetor car 2 is something altogether more retro. 168 00:10:04,000 --> 00:10:06,000 This is a nice car. 169 00:10:06,000 --> 00:10:08,000 Yeah, it's your style, isn't it? 170 00:10:08,000 --> 00:10:11,000 I love it. 171 00:10:11,000 --> 00:10:14,000 Drives like a cushion dream. 172 00:10:14,000 --> 00:10:17,000 Look at that. 173 00:10:17,000 --> 00:10:20,000 Seems like it's in good shape. It's real clean. 174 00:10:20,000 --> 00:10:22,000 This is a road trip car. 175 00:10:22,000 --> 00:10:24,000 We're going to Vegas in it when we're all done. 176 00:10:24,000 --> 00:10:26,000 Me and Taney. 177 00:10:27,000 --> 00:10:31,000 With both cars up and running, the Mythbusters next turn mechanics. 178 00:10:31,000 --> 00:10:34,000 But with that much success... 179 00:10:34,000 --> 00:10:37,000 What is this? That's what I also don't know. 180 00:10:37,000 --> 00:10:41,000 They're trying to work out which of the many tubes is the fuel line 181 00:10:41,000 --> 00:10:44,000 that connects the gas tank to the engine. 182 00:10:44,000 --> 00:10:46,000 This hose right here. 183 00:10:46,000 --> 00:10:48,000 That's fuel. 184 00:10:48,000 --> 00:10:50,000 That's fuel and I'm going to try and turn the engine over. 185 00:10:50,000 --> 00:10:53,000 Okay, and I should see fuel squared out of that all over the hot engine, yeah? 186 00:10:53,000 --> 00:10:55,000 Yeah. 187 00:10:57,000 --> 00:10:59,000 Yup, no, stop, stop. 188 00:10:59,000 --> 00:11:01,000 Bingo. With the fuel line sussed, 189 00:11:01,000 --> 00:11:04,000 Jamie disconnects it from the gas tank 190 00:11:04,000 --> 00:11:07,000 and attaches it to an acrylic gas holding cylinder, 191 00:11:07,000 --> 00:11:11,000 which will let them see precisely how much fuel the cars consume. 192 00:11:14,000 --> 00:11:18,000 And that means they're ready for those mythical money saving devices. 193 00:11:20,000 --> 00:11:22,000 And where can those be found? 194 00:11:22,000 --> 00:11:24,000 Why, the internet, of course. 195 00:11:24,000 --> 00:11:26,000 What I have so far, 196 00:11:26,000 --> 00:11:28,000 is fuel line magnets 197 00:11:28,000 --> 00:11:33,000 and a carburetor that is purported to give you 300 miles per gallon. 198 00:11:33,000 --> 00:11:36,000 I've also gotten plans for a homemade fuel cell 199 00:11:36,000 --> 00:11:40,000 that you can build that converts water into hydrogen gas 200 00:11:40,000 --> 00:11:42,000 that you can use to run your car. 201 00:11:42,000 --> 00:11:46,000 Grant's hydrogen fuel cell is all about electrolysis. 202 00:11:46,000 --> 00:11:49,000 When you apply a voltage to electrodes in water, 203 00:11:49,000 --> 00:11:53,000 the H2O molecules split into hydrogen and oxygen. 204 00:11:53,000 --> 00:11:57,000 This internet patent can allegedly generate so much hydrogen 205 00:11:57,000 --> 00:12:00,000 that you can run a car with it. 206 00:12:00,000 --> 00:12:06,000 Adam's going to build the electrolysis device as detailed in the internet plans. 207 00:12:06,000 --> 00:12:11,000 That right there is the business end of the end of the oil monopoly, man. 208 00:12:11,000 --> 00:12:14,000 While Grant is concentrating on the power, 209 00:12:14,000 --> 00:12:19,000 it's the current through the electrodes that should cause hydrogen to be released. 210 00:12:20,000 --> 00:12:25,000 This should be a square wave, and right now it's kind of a nasty side too. 211 00:12:25,000 --> 00:12:28,000 After an hour of fernicity fiddling, 212 00:12:28,000 --> 00:12:31,000 Adam's fuel cell is connected to Grant's power circuit, 213 00:12:31,000 --> 00:12:33,000 and everything's ready for a test. 214 00:12:36,000 --> 00:12:40,000 Dude, I see bubbles. Check it out. 215 00:12:40,000 --> 00:12:43,000 Yeah, it is bubbling. 216 00:12:43,000 --> 00:12:47,000 It's working. Hydrogen is bursting forth. 217 00:12:47,000 --> 00:12:51,000 But will these tiny bubbles be enough to fuel a car? 218 00:12:51,000 --> 00:12:55,000 This was what I first thought was going to be the label. 219 00:12:55,000 --> 00:12:58,000 And then I thought, I can say that's simpler. 220 00:12:58,000 --> 00:13:03,000 And I came up with sticking it to the man. 221 00:13:07,000 --> 00:13:12,000 1930s farms were seriously dangerous places. 222 00:13:12,000 --> 00:13:17,000 There was the giant machinery and the unpredictable animals. 223 00:13:17,000 --> 00:13:21,000 But were there also exploding trousers? 224 00:13:21,000 --> 00:13:25,000 Or was it more a case of lyre lyre pants on fire? 225 00:13:28,000 --> 00:13:31,000 To put this blast of a myth to the test, 226 00:13:31,000 --> 00:13:35,000 the team has carefully made four potential farm yard howitzers 227 00:13:35,000 --> 00:13:39,000 to see if any could cause trousers to turn torpedo. 228 00:13:39,000 --> 00:13:42,000 So that just leaves the detonation systems. 229 00:13:42,000 --> 00:13:45,000 Alright, so in order to blow these pants up, 230 00:13:45,000 --> 00:13:48,000 we need to find out certain systems of ignition. 231 00:13:48,000 --> 00:13:50,000 Why don't we just go through the scenarios of the myth, 232 00:13:50,000 --> 00:13:52,000 the different ways that they possibly could ignite. 233 00:13:52,000 --> 00:13:56,000 Like say, you light a cigarette, spark falls onto your pants, they blow up. 234 00:13:56,000 --> 00:14:00,000 We could do friction, because apparently these were blowing up as people were walking. 235 00:14:00,000 --> 00:14:03,000 One of the most famous stories was when it was dragging from the fire, right? 236 00:14:03,000 --> 00:14:05,000 So maybe something, a radiant heat source, a heater. 237 00:14:05,000 --> 00:14:08,000 And impact, if you sat down really hard, 238 00:14:08,000 --> 00:14:11,000 they might burst into flames. 239 00:14:11,000 --> 00:14:14,000 To try to expose the exploding trouser culprit, 240 00:14:14,000 --> 00:14:17,000 the team is going to subject each of the volatile vagrants 241 00:14:17,000 --> 00:14:20,000 to each of the four detonation systems. 242 00:14:20,000 --> 00:14:27,000 The recipe that blasts off most often will then be wrapped up for the big scale test. 243 00:14:27,000 --> 00:14:33,000 And for round one, it carries unusual open flame ignition system. 244 00:14:33,000 --> 00:14:36,000 I picked the cigarette instead of just dropping a match, 245 00:14:36,000 --> 00:14:39,000 specifically for the reason I wanted to create a realistic scenario 246 00:14:39,000 --> 00:14:46,000 as to why these pants might come in contact with something such as a cigarette to make them explode. 247 00:14:46,000 --> 00:14:52,000 She's hoping that the falling ash will be hot enough to ignite the fabric below. 248 00:14:52,000 --> 00:14:56,000 And first up, it'll be landing on Grant's fertilizer-treated trousers. 249 00:14:56,000 --> 00:14:58,000 All right, step back. 250 00:14:58,000 --> 00:15:00,000 Smoke faster. 251 00:15:00,000 --> 00:15:06,000 Carries smoking as fast as a school kid in a washroom, but gets nowhere fast. 252 00:15:06,000 --> 00:15:12,000 So for take two, it's out with the cigarette and in with the match. 253 00:15:12,000 --> 00:15:15,000 But the results are a little disappointing. 254 00:15:15,000 --> 00:15:19,000 I would not exactly call that an energetic ignition. 255 00:15:19,000 --> 00:15:24,000 So fertilizer plus flame is infertile. 256 00:15:24,000 --> 00:15:27,000 Next up, the black powder. 257 00:15:28,000 --> 00:15:32,000 But remember, the black powder was mixed with water. 258 00:15:32,000 --> 00:15:34,000 I thought this was going to be a little more exciting. 259 00:15:34,000 --> 00:15:36,000 I thought we were going to get a little blast out of this one. 260 00:15:36,000 --> 00:15:38,000 Yeah, it's like threatening to blow up. 261 00:15:38,000 --> 00:15:40,000 Oh, come on. 262 00:15:40,000 --> 00:15:46,000 I think if I were the farmer, I would still have time to get my pants off and run before it caused any problem. 263 00:15:46,000 --> 00:15:48,000 All right, so we're rolling out gunpowder. 264 00:15:48,000 --> 00:15:49,000 I would rule it out. 265 00:15:49,000 --> 00:15:53,000 All right, next let's do my favorite, my specialty, good and cutting. 266 00:15:53,000 --> 00:15:57,000 I know for a fact that this is going to be somewhat explosive. 267 00:15:57,000 --> 00:15:59,000 So just in case maybe put on your ear protection. 268 00:15:59,000 --> 00:16:01,000 Okay. 269 00:16:01,000 --> 00:16:03,000 So far it's zero for two. 270 00:16:03,000 --> 00:16:06,000 Can Carrie's gun cotton do any better? 271 00:16:06,000 --> 00:16:09,000 This is your specialty. 272 00:16:09,000 --> 00:16:11,000 This stuff's supposed to be gun cotton. 273 00:16:11,000 --> 00:16:13,000 Should I take off my ear protection now? 274 00:16:13,000 --> 00:16:14,000 Yeah. 275 00:16:14,000 --> 00:16:17,000 It's another flame failure. 276 00:16:17,000 --> 00:16:20,000 That just leaves the weed killer concoction. 277 00:16:20,000 --> 00:16:23,000 Can this herbie go bananas? 278 00:16:23,000 --> 00:16:25,000 All right. 279 00:16:25,000 --> 00:16:27,000 Wow. 280 00:16:27,000 --> 00:16:29,000 That is awesome. 281 00:16:29,000 --> 00:16:31,000 That is graduating to the next level. 282 00:16:31,000 --> 00:16:34,000 Could you imagine walking down the street and this happening in your pants? 283 00:16:34,000 --> 00:16:36,000 That would suck. 284 00:16:36,000 --> 00:16:42,000 So the herbicide is winning so far, but how will they all respond to the next ignition test? 285 00:16:42,000 --> 00:16:44,000 Radiant heat. 286 00:16:44,000 --> 00:16:46,000 We've got our powerful light. 287 00:16:46,000 --> 00:16:51,000 Right now, I've got a probe right at the top and we're at a little bit over 300 degrees. 288 00:16:51,000 --> 00:16:56,000 It's just like a farmer drying his trousers in front of a fire. 289 00:16:56,000 --> 00:17:00,000 And just like the last test, not a lot happens. 290 00:17:00,000 --> 00:17:02,000 The fertilizer doesn't fizzle. 291 00:17:02,000 --> 00:17:05,000 The gun cotton doesn't go off. 292 00:17:05,000 --> 00:17:08,000 There's some sparkles from the black powder. 293 00:17:08,000 --> 00:17:10,000 Nice. 294 00:17:10,000 --> 00:17:14,000 But then once again the herbicide takes the cake. 295 00:17:16,000 --> 00:17:19,000 Oh no! 296 00:17:19,000 --> 00:17:27,000 The weed killer burns with a massive amount of energy and is easily the emerging culprit for this explosive myth. 297 00:17:27,000 --> 00:17:31,000 Still to come, the ultimate fashion disaster. 298 00:17:31,000 --> 00:17:34,000 Somebody ordered some exploding pants. 299 00:17:34,000 --> 00:17:35,000 But next. 300 00:17:35,000 --> 00:17:41,000 Coming up on MythBusters, is it 300 miles to the gallon or 300 gallons to the mile? 301 00:17:47,000 --> 00:17:54,000 Every week, a couple of geeks from San Francisco face a challenge. 302 00:17:54,000 --> 00:18:02,000 For this week's challenge, the MythBusters have turned mechanics as they put miracle cures for gas guzzlers to the test. 303 00:18:02,000 --> 00:18:05,000 I guess we just put it like that. 304 00:18:05,000 --> 00:18:08,000 Adams built a hydrogen fuel cell. 305 00:18:08,000 --> 00:18:10,000 I see bubbles. 306 00:18:11,000 --> 00:18:16,000 And the team has got hold of the internet's best-selling gas-saving devices. 307 00:18:16,000 --> 00:18:19,000 Super efficient carburetor mining. 308 00:18:19,000 --> 00:18:24,000 So now they're all set to head to the dynamometer test facility. 309 00:18:24,000 --> 00:18:31,000 For a point of comparison, using a set amount of fuel, they'll calculate the miles per gallon of each car. 310 00:18:31,000 --> 00:18:34,000 First at 35 miles an hour. 311 00:18:34,000 --> 00:18:37,000 17 miles per gallon. 312 00:18:37,000 --> 00:18:39,000 Okay. 313 00:18:39,000 --> 00:18:43,000 And then at a highway average, 55 miles an hour. 314 00:18:43,000 --> 00:18:47,000 That is a lot more fuel efficient than its main gear at 55. 315 00:18:47,000 --> 00:18:51,000 We're getting 25 and a half miles per gallon. 316 00:18:51,000 --> 00:18:58,000 With the baselines for the carburetor car cached, bring on the first miracle cure, the magnets. 317 00:18:58,000 --> 00:19:02,000 Okay, so it says to put it as close as we can to the carburetor. 318 00:19:02,000 --> 00:19:05,000 Okay, magnet test. Here we go. 319 00:19:06,000 --> 00:19:10,000 According to the box, the magnets work on the principles of hydrodynamics 320 00:19:10,000 --> 00:19:15,000 and align the fuel molecules in such a way that they burn better. 321 00:19:15,000 --> 00:19:18,000 What does that mean? 322 00:19:18,000 --> 00:19:24,000 We asked our graphics guy to explain it, but he didn't understand it either. 323 00:19:24,000 --> 00:19:31,000 So it's a mystery how they work, but have they had any effect at 55 miles an hour? 324 00:19:32,000 --> 00:19:36,000 The baseline reading at 55 is 25.66. 325 00:19:36,000 --> 00:19:39,000 I come out with 25.55. 326 00:19:39,000 --> 00:19:40,000 Okay. 327 00:19:40,000 --> 00:19:41,000 No change. 328 00:19:41,000 --> 00:19:43,000 No change at 55. 329 00:19:43,000 --> 00:19:46,000 And at 35, it's the same story. 330 00:19:46,000 --> 00:19:48,000 What does that tell us? 331 00:19:48,000 --> 00:19:53,000 It busts this whole magnet fuel, electromagnetics thing wide open, man. 332 00:19:53,000 --> 00:19:55,000 It's crap. 333 00:19:55,000 --> 00:19:59,000 It's strike one for the gas conspiracy theory. 334 00:19:59,000 --> 00:20:03,000 So the next test is acetone mixed with gasoline. 335 00:20:03,000 --> 00:20:07,000 What we have to do is put about a 500 to one ratio in here, 336 00:20:07,000 --> 00:20:13,000 which amounts to two milliliters of acetone in with the gasoline. 337 00:20:13,000 --> 00:20:18,000 The idea is that the acetone somehow makes the gas burn more completely, 338 00:20:18,000 --> 00:20:21,000 but does it work at 35 miles an hour? 339 00:20:21,000 --> 00:20:28,000 Well, it uses fuel a little faster, which gives us miles per gallon of 16.65 with acetone 340 00:20:28,000 --> 00:20:32,000 as opposed to 17.03 without acetone. 341 00:20:32,000 --> 00:20:39,000 So acetone makes the car less efficient, a result confirmed with the 55 mile an hour test. 342 00:20:39,000 --> 00:20:42,000 Next up, the miracle carburetor. 343 00:20:42,000 --> 00:20:45,000 I'm going to get behind the wheel. 344 00:20:45,000 --> 00:20:51,000 This latest device can supposedly increase mileage to 300 miles per gallon, 345 00:20:51,000 --> 00:20:56,000 but atoms out of gas even before he's reached the baseline level. 346 00:20:57,000 --> 00:21:00,000 17.69 miles to the gallon. 347 00:21:00,000 --> 00:21:04,000 It's a lot less than 25 and a half miles to the gallon. 348 00:21:04,000 --> 00:21:11,000 I don't see any potential for 100 or 200 or 300 miles per gallon out of this thing. 349 00:21:11,000 --> 00:21:12,000 Darn. 350 00:21:16,000 --> 00:21:20,000 Farm yard chemicals can be downright dangerous. 351 00:21:20,000 --> 00:21:24,000 They can hinder your health in a whole host of ways. 352 00:21:24,000 --> 00:21:28,000 But can any of them ever make your trousers explode? 353 00:21:28,000 --> 00:21:34,000 To find out, the team is putting four potential farm yard fizzlers to the test. 354 00:21:34,000 --> 00:21:41,000 So far, the herbicide is winning, but there are still two detonation devices left. 355 00:21:41,000 --> 00:21:48,000 Starting with Tori's friction maker, which supposedly imitates the way farmers walk. 356 00:21:48,000 --> 00:21:53,000 Despite the farmer breaking the world's sprint record, there's no immediate ignition. 357 00:21:53,000 --> 00:21:56,000 He's not done walking. 358 00:21:56,000 --> 00:21:58,000 There he is. 359 00:21:58,000 --> 00:22:04,000 After a marathon run, none of the samples, not even the herbicide, smoke at all. 360 00:22:04,000 --> 00:22:09,000 Which leaves one final detonation device. 361 00:22:09,000 --> 00:22:12,000 It's hammer time. 362 00:22:12,000 --> 00:22:16,000 So this is cotton with black powder. 363 00:22:16,000 --> 00:22:19,000 In three, two, one. 364 00:22:19,000 --> 00:22:24,000 Well, it hit it. 365 00:22:24,000 --> 00:22:31,000 It was right on the money, but with the black powder, there's no trouser detonation. 366 00:22:31,000 --> 00:22:34,000 I think that rolls that out pretty fast. 367 00:22:34,000 --> 00:22:38,000 So the team tries again with the fertilizer. 368 00:22:38,000 --> 00:22:40,000 But get the same result. 369 00:22:40,000 --> 00:22:44,000 Then it carries specialty, the gun cotton. 370 00:22:44,000 --> 00:22:46,000 Not a pee. 371 00:22:46,000 --> 00:22:50,000 Last up, the current leader, the herbicide. 372 00:22:50,000 --> 00:22:52,000 Get mashed in. 373 00:22:52,000 --> 00:22:55,000 Three, two, one. 374 00:22:55,000 --> 00:22:59,000 Holy Mack! 375 00:22:59,000 --> 00:23:01,000 That was sweet. 376 00:23:01,000 --> 00:23:03,000 Oh, fire! 377 00:23:03,000 --> 00:23:05,000 Where? 378 00:23:05,000 --> 00:23:07,000 Just up. You know we can see it. 379 00:23:07,000 --> 00:23:10,000 I think we have our exploding pants. 380 00:23:10,000 --> 00:23:12,000 I say, great. 381 00:23:12,000 --> 00:23:17,000 With the herbicide, it's a case of now you see it, now you don't. 382 00:23:17,000 --> 00:23:21,000 This is my favorite stuff. 383 00:23:21,000 --> 00:23:25,000 Tori's herbicide really can make trousers explode. 384 00:23:25,000 --> 00:23:31,000 And what's more, in 1930s New Zealand, this stuff was abundant. 385 00:23:34,000 --> 00:23:37,000 So I've been doing a little bit of background research on this myth. 386 00:23:37,000 --> 00:23:41,000 And I found out that New Zealand farmers were using our classified weed killer. 387 00:23:41,000 --> 00:23:46,000 But in the 1930s, the amount they were using totally skyrocketed. 388 00:23:46,000 --> 00:23:47,000 Why is that? 389 00:23:47,000 --> 00:23:51,000 In the 1920s, it seems that ragwort was accidentally introduced into the ecosystem. 390 00:23:51,000 --> 00:23:56,000 Oh, ragwort's that super aggressive weed. It overtakes crops. It's toxic to livestock. 391 00:23:56,000 --> 00:23:58,000 I think it's a problem even today. 392 00:23:58,000 --> 00:24:02,000 Exactly. And you know that's why they wanted to get rid of it as fast as possible. 393 00:24:02,000 --> 00:24:04,000 And of course, what was the miracle cure in that era? 394 00:24:04,000 --> 00:24:07,000 Oh, our classified chemical. 395 00:24:07,000 --> 00:24:09,000 All right, let's move on to the full scale. 396 00:24:09,000 --> 00:24:11,000 Yeah! 397 00:24:11,000 --> 00:24:14,000 Later, Buster dons his hot pants. 398 00:24:14,000 --> 00:24:16,000 Fire in the hole! 399 00:24:16,000 --> 00:24:21,000 But next, there's more Fire in the Hole with Adam and Jamie. 400 00:24:28,000 --> 00:24:30,000 Remember, don't try this at home. 401 00:24:30,000 --> 00:24:33,000 We've got years of experience that keeps us safe. 402 00:24:44,000 --> 00:24:48,000 Every year, Americans spend billions of dollars fueling their cars. 403 00:24:48,000 --> 00:24:55,000 To try to claw some of that back, the mythbusters are putting miracle gas cures to the test. 404 00:24:55,000 --> 00:25:01,000 Faster pickup, getaway, more miles per gallon than you ever dreamed were possible. 405 00:25:01,000 --> 00:25:07,000 But they're not doing well. Their carburetor car scored zero for three. 406 00:25:07,000 --> 00:25:09,000 Nothing improved its mileage. 407 00:25:09,000 --> 00:25:13,000 So they swapped to the more modern fuel-injected car. 408 00:25:13,000 --> 00:25:18,000 Some of the mythical cures will supposedly work better on a more modern car. 409 00:25:19,000 --> 00:25:22,000 But unfortunately, neither the magnets... 410 00:25:22,000 --> 00:25:25,000 This is such total, of course. 411 00:25:26,000 --> 00:25:30,000 Nor the acetone mixture increased mileage at all. 412 00:25:30,000 --> 00:25:35,000 It's not like it magically changes lead into gold or something like that. 413 00:25:35,000 --> 00:25:38,000 You know, it's an o-brainer. 414 00:25:38,000 --> 00:25:43,000 All the magical cures so far have failed to improve fuel efficiency, 415 00:25:43,000 --> 00:25:46,000 and some have even made it worse. 416 00:25:46,000 --> 00:25:49,000 But is anyone really that surprised? 417 00:25:49,000 --> 00:25:52,000 Look, the EPA takes claims of fuel efficiency very seriously 418 00:25:52,000 --> 00:25:55,000 and has tested over 100 devices for their improvements. 419 00:25:55,000 --> 00:26:01,000 Yeah, out of 104 that they tested, only about 7 showed any improvement at all, 420 00:26:01,000 --> 00:26:03,000 and it was only up to about 6%. 421 00:26:03,000 --> 00:26:07,000 Well, your mood can affect your driving a hell of a lot more than 6%. 422 00:26:07,000 --> 00:26:12,000 Yeah, studies have shown that you can reduce your mileage by up to around 33% 423 00:26:12,000 --> 00:26:15,000 by aggressive driving due to, you know, bad mood. 424 00:26:15,000 --> 00:26:17,000 Do you actually have moods? 425 00:26:17,000 --> 00:26:18,000 No. 426 00:26:19,000 --> 00:26:23,000 Back at the dyno, the cars have been swapped around for one final test, 427 00:26:23,000 --> 00:26:26,000 the PS to resist ons. 428 00:26:26,000 --> 00:26:28,000 This is the one that I've been waiting for. 429 00:26:28,000 --> 00:26:32,000 This is the water car hydrating fuel cell. 430 00:26:32,000 --> 00:26:40,000 And this is the one that, if it works, is making this one of the most legendary hours of television ever broadcast. 431 00:26:41,000 --> 00:26:47,000 They're about to see if they can run a car on flammable hydrogen gas produced by electrolysis. 432 00:26:49,000 --> 00:26:54,000 This is the instructions on the patent that you bolt the output of the fuel cell 433 00:26:54,000 --> 00:26:57,000 right to the throat of your carburetor. 434 00:26:57,000 --> 00:27:02,000 There will be no gasoline, just hydrogen fed straight into the carburetor. 435 00:27:02,000 --> 00:27:04,000 But will the car even start? 436 00:27:06,000 --> 00:27:08,000 We'll make it history. 437 00:27:14,000 --> 00:27:15,000 Oh, oh my God! 438 00:27:15,000 --> 00:27:17,000 Oh my God is right. 439 00:27:17,000 --> 00:27:19,000 The car is working. 440 00:27:19,000 --> 00:27:23,000 But sadly, it's not because of the hydrogen. 441 00:27:23,000 --> 00:27:27,000 I think that was a little bit of residual fuel in the system. What do you think? 442 00:27:27,000 --> 00:27:29,000 I think that's the case. 443 00:27:29,000 --> 00:27:33,000 It wasn't a miracle. Just some leftover gasoline in the engine. 444 00:27:33,000 --> 00:27:36,000 I'm going to turn it over again. Let's give it another shot. 445 00:27:41,000 --> 00:27:42,000 Come on! 446 00:27:42,000 --> 00:27:43,000 Come on! 447 00:27:46,000 --> 00:27:47,000 My God! 448 00:27:47,000 --> 00:27:49,000 It doesn't work. 449 00:27:49,000 --> 00:27:52,000 I can't believe it doesn't work. I found it on the internet, man. 450 00:27:52,000 --> 00:27:56,000 The electrodes are just not giving off enough gas. 451 00:27:56,000 --> 00:28:00,000 But to test whether a car could even run on hydrogen in the first place, 452 00:28:00,000 --> 00:28:04,000 the boys are going to hose some directly into the carburetor. 453 00:28:04,000 --> 00:28:05,000 Ready? 454 00:28:05,000 --> 00:28:06,000 Yeah, okay. 455 00:28:06,000 --> 00:28:07,000 Okay, here we go. 456 00:28:08,000 --> 00:28:09,000 Okay. 457 00:28:12,000 --> 00:28:13,000 Okay. 458 00:28:15,000 --> 00:28:17,000 That's the coolest thing ever. 459 00:28:17,000 --> 00:28:20,000 I guess you could, if you had a lot of hydrogen, 460 00:28:20,000 --> 00:28:23,000 run your engine completely without any other modifications. 461 00:28:23,000 --> 00:28:24,000 Let's do it again. 462 00:28:25,000 --> 00:28:29,000 You know there's going to be trouble when it's all going so well. 463 00:28:29,000 --> 00:28:33,000 Whoops! Okay, that's enough of that test. 464 00:28:33,000 --> 00:28:38,000 With a rather nasty backfire, it's time to back out. 465 00:28:38,000 --> 00:28:40,000 I think it's best if we just let it go. 466 00:28:47,000 --> 00:28:49,000 In the myth of exploding trousers, 467 00:28:49,000 --> 00:28:52,000 the boys are going to be the first to go to the car. 468 00:28:52,000 --> 00:28:55,000 They're going to be the first to go to the car. 469 00:28:56,000 --> 00:28:59,000 In the myth of exploding trousers, 470 00:28:59,000 --> 00:29:03,000 the herbicide has been ID'd as the pan protagonist. 471 00:29:03,000 --> 00:29:05,000 Okay, well I'm impressed. 472 00:29:05,000 --> 00:29:06,000 That was pretty amazing. 473 00:29:06,000 --> 00:29:07,000 Yeah, well it was very cool. 474 00:29:07,000 --> 00:29:09,000 Well, now you know what we have to do. 475 00:29:09,000 --> 00:29:11,000 We have to bump this up to full scale. 476 00:29:11,000 --> 00:29:14,000 So I'm going to take a pair of pants and just saturate the heck out of them, 477 00:29:14,000 --> 00:29:15,000 see if they explode. 478 00:29:15,000 --> 00:29:19,000 Maybe just as a point of comparison, you know, just for fun, 479 00:29:19,000 --> 00:29:21,000 we could get a hold of a few real explosives. 480 00:29:21,000 --> 00:29:24,000 Well, I'm sure Frank is going to help us out with that. 481 00:29:24,000 --> 00:29:28,000 I just want to see some really big exploding trousers. 482 00:29:28,000 --> 00:29:32,000 At last, using the results of the small scale test, 483 00:29:32,000 --> 00:29:35,000 it's finally time to ramp this myth up. 484 00:29:35,000 --> 00:29:39,000 If it's worth doing, it's worth overdoing, right? 485 00:29:39,000 --> 00:29:43,000 With the overalls fully functional, it's time to hit the road 486 00:29:43,000 --> 00:29:47,000 and see if Buster will fly by the seat of his pants. 487 00:29:47,000 --> 00:29:50,000 We're here at Alameda Sheriff's Facility. 488 00:29:50,000 --> 00:29:54,000 And this is where Buster is going to put on his exploding pants. 489 00:29:54,000 --> 00:29:55,000 Frank Doyle's here. 490 00:29:55,000 --> 00:29:56,000 The bomb squad's here. 491 00:29:56,000 --> 00:29:58,000 The paramedics are here. 492 00:29:58,000 --> 00:30:00,000 We're going to blow something up. 493 00:30:00,000 --> 00:30:03,000 Well, it seems that everyone is here, so let's get started. 494 00:30:03,000 --> 00:30:06,000 Somebody order some exploding pants. 495 00:30:06,000 --> 00:30:09,000 With the pants prepped, 496 00:30:09,000 --> 00:30:14,000 step forward our naked volunteer farmer, Buster. 497 00:30:14,000 --> 00:30:17,000 Buster, you don't want to do this? 498 00:30:17,000 --> 00:30:19,000 Well, that's too bad. 499 00:30:19,000 --> 00:30:22,000 We're going to blow your pants off. 500 00:30:22,000 --> 00:30:25,000 Once Buster is dressed to kill, 501 00:30:25,000 --> 00:30:28,000 all that remains is the detonation system. 502 00:30:28,000 --> 00:30:32,000 The remote triggering system that the FBI is going to be using on our pants 503 00:30:32,000 --> 00:30:37,000 is probably closer to the impact triggering system that we had in our small scale test. 504 00:30:37,000 --> 00:30:41,000 With the igniter wired up and the final touches in place, 505 00:30:41,000 --> 00:30:44,000 it's time for a Huckleberry Dinn. 506 00:30:44,000 --> 00:30:46,000 Fire in the hole! 507 00:30:46,000 --> 00:30:48,000 Fire in the hole! 508 00:30:48,000 --> 00:30:51,000 Three, two, one! 509 00:30:51,000 --> 00:30:53,000 Oh! 510 00:30:53,000 --> 00:30:58,000 That's awesome. 511 00:30:58,000 --> 00:31:00,000 It burned completely off. 512 00:31:00,000 --> 00:31:04,000 It totally just burned from head and from wherever it blew up, 513 00:31:04,000 --> 00:31:07,000 his crotch, and it just totally burned off. 514 00:31:07,000 --> 00:31:10,000 Now that's what I call hot pants. 515 00:31:10,000 --> 00:31:13,000 The fact that his hat's still here shows how hot and fast this burned. 516 00:31:13,000 --> 00:31:15,000 It didn't even make it up to the hat. 517 00:31:15,000 --> 00:31:18,000 It just disintegrated really quickly. 518 00:31:18,000 --> 00:31:21,000 But this myth isn't about disintegrating trousers. 519 00:31:21,000 --> 00:31:23,000 It's about exploding ones. 520 00:31:23,000 --> 00:31:25,000 So the gang is going to try again, 521 00:31:25,000 --> 00:31:30,000 this time with a pocket load more of the herbicide hodgepodge. 522 00:31:30,000 --> 00:31:32,000 Good luck, buddy. 523 00:31:32,000 --> 00:31:34,000 Nice knowing you. 524 00:31:34,000 --> 00:31:36,000 Fire in the hole! 525 00:31:36,000 --> 00:31:38,000 Fire in the hole! 526 00:31:38,000 --> 00:31:42,000 Three, two, one! 527 00:31:43,000 --> 00:31:45,000 Oh! 528 00:31:45,000 --> 00:31:47,000 That was great. 529 00:31:47,000 --> 00:31:49,000 That obviously burned up twice as fast as that last one. 530 00:31:49,000 --> 00:31:51,000 And it's much bigger. 531 00:31:51,000 --> 00:31:53,000 A bigger reaction. 532 00:31:53,000 --> 00:31:54,000 That was cool. 533 00:31:54,000 --> 00:31:57,000 The pockets of pesticides sure got Buster fired up. 534 00:31:57,000 --> 00:31:59,000 But was he fired up enough? 535 00:31:59,000 --> 00:32:01,000 Here's my question, though. 536 00:32:01,000 --> 00:32:03,000 We call this myth exploding trousers. 537 00:32:03,000 --> 00:32:05,000 They didn't really explode. 538 00:32:05,000 --> 00:32:07,000 No, I mean they were just burning rapidly. 539 00:32:07,000 --> 00:32:09,000 I have a feeling though, if you were wearing those pants 540 00:32:09,000 --> 00:32:12,000 and they burned that fast, you would definitely claim explosion. 541 00:32:12,000 --> 00:32:14,000 You need compression to have an explosion. 542 00:32:14,000 --> 00:32:16,000 You are so hard to please. 543 00:32:16,000 --> 00:32:18,000 But I mean if your pants burst into flames like this, 544 00:32:18,000 --> 00:32:20,000 how would you explain it to somebody? 545 00:32:20,000 --> 00:32:22,000 Semantics. It's an explosion. 546 00:32:22,000 --> 00:32:24,000 My pants blew up. 547 00:32:24,000 --> 00:32:26,000 That's what I'd say. 548 00:32:26,000 --> 00:32:28,000 I'm with Carrie and Tori on this one. 549 00:32:28,000 --> 00:32:31,000 It may not technically be an explosion, 550 00:32:31,000 --> 00:32:34,000 but did 1930's farmers really know the terminology? 551 00:32:34,000 --> 00:32:37,000 This is Myth Confirmed. 552 00:32:37,000 --> 00:32:41,000 The only remaining question is, would Buster have survived? 553 00:32:41,000 --> 00:32:44,000 So as medical professionals, what do you think of the damage? 554 00:32:44,000 --> 00:32:47,000 If he just had pants on, it would have burned up all the pants. 555 00:32:47,000 --> 00:32:49,000 Maybe he'd have a couple of burns up here in the chest area, 556 00:32:49,000 --> 00:32:51,000 but it wouldn't have gone any further. 557 00:32:51,000 --> 00:32:52,000 So you're saying he lived? 558 00:32:52,000 --> 00:32:53,000 Yeah, he would have lived. 559 00:32:53,000 --> 00:32:55,000 He would have just maybe had some scarring from the burns, 560 00:32:55,000 --> 00:32:57,000 but a person could survive from it. 561 00:32:57,000 --> 00:32:59,000 You lived! 562 00:32:59,000 --> 00:33:05,000 Like a phoenix from the flames, Buster smolders to fight another day. 563 00:33:05,000 --> 00:33:07,000 But maybe not for long. 564 00:33:07,000 --> 00:33:09,000 Buster, you're not over yet. 565 00:33:09,000 --> 00:33:11,000 On the other side of the break. 566 00:33:11,000 --> 00:33:16,000 That right there, it's the end of the gas conspiracy. 567 00:33:16,000 --> 00:33:20,000 Adam and Jamie hit the road with some greasy lightning. 568 00:33:20,000 --> 00:33:23,000 But if we don't meet again, I love you. 569 00:33:31,000 --> 00:33:33,000 Well, there's your problem. 570 00:33:33,000 --> 00:33:37,000 In the great gas conspiracy, skid marks aside, 571 00:33:37,000 --> 00:33:41,000 Adam and Jamie have tested all of their mythical mileage boosters. 572 00:33:41,000 --> 00:33:43,000 This is such total force. 573 00:33:43,000 --> 00:33:45,000 And the results are in. 574 00:33:45,000 --> 00:33:47,000 Alright, so our dynamometer tests. 575 00:33:47,000 --> 00:33:50,000 How did we do with the magnets? 576 00:33:50,000 --> 00:33:51,000 Bubkus. 577 00:33:51,000 --> 00:33:52,000 Acetone? 578 00:33:52,000 --> 00:33:53,000 Bubkus. 579 00:33:53,000 --> 00:33:55,000 The hydrogen fuel cell? 580 00:33:55,000 --> 00:33:56,000 Less than Bubkus. 581 00:33:56,000 --> 00:33:59,000 And the, oh, the miracle carburetor. 582 00:33:59,000 --> 00:34:01,000 Even less than Bubkus. 583 00:34:01,000 --> 00:34:06,000 I think we still need some more exploration into ways to break yourself free 584 00:34:06,000 --> 00:34:09,000 of the man's death grip on your wallet. 585 00:34:09,000 --> 00:34:15,000 Well, if the ultimate goal is to actually defeat this monopoly of fossil fuels, 586 00:34:15,000 --> 00:34:17,000 there is a way to do that. 587 00:34:17,000 --> 00:34:19,000 And maybe we can try it out. 588 00:34:19,000 --> 00:34:23,000 And where does this mystery solution live? 589 00:34:23,000 --> 00:34:27,000 I need some french fries and all the fry oil you can lay on me. 590 00:34:27,000 --> 00:34:29,000 Why the burger bar, of course. 591 00:34:29,000 --> 00:34:34,000 That right there, it's the end of the gas conspiracy. 592 00:34:34,000 --> 00:34:35,000 Maybe. 593 00:34:35,000 --> 00:34:41,000 It's used cooking oil, the gunk that gets left at the bottom of deep fat fryers. 594 00:34:41,000 --> 00:34:45,000 And believe it or not, this may be the next big thing. 595 00:34:45,000 --> 00:34:47,000 I think that's it. 596 00:34:47,000 --> 00:34:51,000 And back at the shop, it's refinery time. 597 00:34:51,000 --> 00:34:58,000 Apparently all that's needed to convert this fatty fry oil into fuel is filter it. 598 00:34:59,000 --> 00:35:00,000 That's it. 599 00:35:00,000 --> 00:35:04,000 This is obviously something that you do overnight. 600 00:35:04,000 --> 00:35:09,000 It's a time consuming process, but given that it could result in free fuel, 601 00:35:09,000 --> 00:35:11,000 it's more than worth it. 602 00:35:11,000 --> 00:35:14,000 There we go. That's the leader. 603 00:35:14,000 --> 00:35:19,000 And to put it to the test, they're going to drive a circuit around Alameda in a diesel car, 604 00:35:19,000 --> 00:35:23,000 which has their viewable fuel tank attached. 605 00:35:23,000 --> 00:35:24,000 I like this dammy. 606 00:35:24,000 --> 00:35:27,000 I think this is a nice solid arrangement. 607 00:35:27,000 --> 00:35:28,000 Not going to move. 608 00:35:28,000 --> 00:35:30,000 I'm going to just tape that down. 609 00:35:30,000 --> 00:35:32,000 Well, as long as you're happy, Adam. 610 00:35:32,000 --> 00:35:33,000 Thank you, David. 611 00:35:33,000 --> 00:35:37,000 And with everyone happy, it's time to get started. 612 00:35:37,000 --> 00:35:41,000 We've been hearing that people are running their cars completely without any modifications 613 00:35:41,000 --> 00:35:44,000 on used vegetable oil like this. 614 00:35:44,000 --> 00:35:47,000 But before experimenting with beefed up burger juice, 615 00:35:47,000 --> 00:35:52,000 they first need to test regular diesel to find the car's normal fuel consumption. 616 00:35:52,000 --> 00:35:53,000 Hold on. 617 00:35:53,000 --> 00:35:56,000 You're pretty much exactly at a leader, so give it a tiny bit more. 618 00:35:56,000 --> 00:35:58,000 That's perfect. 619 00:35:58,000 --> 00:35:59,000 Exactly right. 620 00:35:59,000 --> 00:36:00,000 Okay. 621 00:36:00,000 --> 00:36:01,000 Diesel. 622 00:36:01,000 --> 00:36:02,000 First run. 623 00:36:02,000 --> 00:36:03,000 All right. 624 00:36:03,000 --> 00:36:04,000 Ready. 625 00:36:04,000 --> 00:36:05,000 Go. 626 00:36:05,000 --> 00:36:14,000 The course is 2.9 miles long and has been designed so that they can maintain a steady 35 miles 627 00:36:14,000 --> 00:36:16,000 an hour all the way around. 628 00:36:16,000 --> 00:36:21,000 They're going to drive lap after lap until they've used one leader of each fuel. 629 00:36:21,000 --> 00:36:22,000 That's it. 630 00:36:22,000 --> 00:36:24,000 We are out of fuel. 631 00:36:24,000 --> 00:36:29,000 What was the mileage on that? 632 00:36:29,000 --> 00:36:30,000 8.8. 633 00:36:30,000 --> 00:36:31,000 8.8. 634 00:36:31,000 --> 00:36:32,000 Okay. 635 00:36:32,000 --> 00:36:34,000 15 minutes and 15 seconds. 636 00:36:34,000 --> 00:36:38,000 33 and a third miles to the gallon on straight diesel. 637 00:36:38,000 --> 00:36:43,000 With the baseline sussed, next up is the used cooking oil. 638 00:36:43,000 --> 00:36:45,000 Look at that. 639 00:36:45,000 --> 00:36:47,000 Pure power. 640 00:36:47,000 --> 00:36:52,000 Pure power it may be, but will the car even start? 641 00:36:52,000 --> 00:36:53,000 Got you. 642 00:36:53,000 --> 00:36:54,000 Shake it. 643 00:36:54,000 --> 00:36:56,000 The engine is purring perfectly. 644 00:36:56,000 --> 00:37:00,000 If we don't meet again, I love you. 645 00:37:00,000 --> 00:37:02,000 They're off. 646 00:37:02,000 --> 00:37:06,000 Remember, this is unmodified French fry oil. 647 00:37:06,000 --> 00:37:10,000 The gunk that restaurants up and down the country chalk out. 648 00:37:10,000 --> 00:37:13,000 The flames can be running just fine. 649 00:37:13,000 --> 00:37:19,000 They do the laps and get an MPG of 30, which for something that didn't cost a dime is pretty 650 00:37:19,000 --> 00:37:21,000 darn impressive. 651 00:37:21,000 --> 00:37:27,000 Number one, I'm surprised and impressed that the car runs on just straight filtered used 652 00:37:27,000 --> 00:37:28,000 kitchen oil. 653 00:37:28,000 --> 00:37:34,000 But number two, the fuel efficiency, it's only 10% less than regular diesel fuel. 654 00:37:34,000 --> 00:37:36,000 Yeah, that's cool. 655 00:37:36,000 --> 00:37:39,000 The other thing is we didn't make any modifications to this car. 656 00:37:39,000 --> 00:37:43,000 That means anybody who had a diesel car could just pour the stuff straight into the gas tank 657 00:37:43,000 --> 00:37:45,000 and it would run fine. 658 00:37:45,000 --> 00:37:47,000 Yeah, baby. 659 00:37:48,000 --> 00:37:50,000 So what do you think? 660 00:37:50,000 --> 00:37:54,000 Do you think the oil companies and the automakers are colluding to screw us? 661 00:37:54,000 --> 00:37:59,000 Well, not a single one of the devices we tested did anything at all with sole exception of 662 00:37:59,000 --> 00:38:01,000 used cooking oil. 663 00:38:01,000 --> 00:38:05,000 Right, but that didn't make your engine any more efficient and that's only helps because 664 00:38:05,000 --> 00:38:06,000 it's currently free. 665 00:38:06,000 --> 00:38:09,000 As soon as that becomes a real economy, they're going to charge you for that like anything 666 00:38:09,000 --> 00:38:10,000 else. 667 00:38:10,000 --> 00:38:14,000 Yeah, and considering the thermal efficiencies of these types of engines, you're simply 668 00:38:14,000 --> 00:38:17,000 not going to get these ultra high mileage out of those. 669 00:38:17,000 --> 00:38:23,000 If there was a way to make your engine super crazy efficient, we would know about it. 670 00:38:23,000 --> 00:38:24,000 It's busted. 671 00:38:24,000 --> 00:38:25,000 Busted. 672 00:38:30,000 --> 00:38:33,000 Coming right up, Buster flies by the seat of his pass. 673 00:38:33,000 --> 00:38:35,000 Three, two, one. 674 00:38:45,000 --> 00:38:54,000 Back with the farmer's fable, it's myth confirmed. 675 00:38:54,000 --> 00:39:00,000 Farm yard chemicals can turn and cycle, but given that this myth is called exploding 676 00:39:00,000 --> 00:39:03,000 trousers, we can't leave it at that. 677 00:39:03,000 --> 00:39:09,000 Myth busters, we always like to ramp it up to replicate the circumstances. 678 00:39:09,000 --> 00:39:11,000 So you want to ramp up the results? 679 00:39:11,000 --> 00:39:14,000 You want to see a pair of pants explode? 680 00:39:14,000 --> 00:39:19,000 Buster did burn baby burn, but for this crew, that ain't enough. 681 00:39:19,000 --> 00:39:23,000 They want a real explosion, not a flash in the pan. 682 00:39:23,000 --> 00:39:28,000 Q Explosives expert Frank Doyle and his magic silver. 683 00:39:28,000 --> 00:39:35,000 This is a high velocity explosive that we're using here, a specialty explosive, and it's 684 00:39:35,000 --> 00:39:42,000 much faster in detonating velocity than anything that we've used in previous episodes. 685 00:39:42,000 --> 00:39:46,000 So we expect Buster to get a pretty interesting ride. 686 00:39:46,000 --> 00:39:48,000 This is serious stuff. 687 00:39:48,000 --> 00:39:55,000 Exploding with a velocity of 21,000 feet per second, this could be Buster's last goodbye. 688 00:39:55,000 --> 00:40:00,000 In the vicinity of five minutes, his pants should be in New York. 689 00:40:01,000 --> 00:40:07,000 I think Madison Square Garden or Times Square or someplace like that. 690 00:40:07,000 --> 00:40:14,000 With the last wires in check, this boom promises to be one of the biggest in myth busters history. 691 00:40:14,000 --> 00:40:16,000 So hold on to your pants. 692 00:40:16,000 --> 00:40:19,000 Fire in the hole! Fire in the hole! 693 00:40:19,000 --> 00:40:23,000 Three, two, one. 694 00:40:26,000 --> 00:40:27,000 Uh oh. 695 00:40:27,000 --> 00:40:29,000 I turned it on. 696 00:40:30,000 --> 00:40:33,000 Well, that's a problem, isn't it? 697 00:40:33,000 --> 00:40:39,000 Right about now, Buster should have been somewhere over Texas, but it seems he's missed his flight. 698 00:40:39,000 --> 00:40:42,000 Fire in the hole! Fire in the hole! 699 00:40:42,000 --> 00:40:44,000 Let's try that again. 700 00:40:45,000 --> 00:40:47,000 This is it, the main event. 701 00:40:47,000 --> 00:40:49,000 Two, one. 702 00:40:50,000 --> 00:40:52,000 Oh no. 703 00:40:52,000 --> 00:40:54,000 A little quieter than I thought. 704 00:40:54,000 --> 00:40:58,000 So generally if there's a live bomb and the trigger doesn't work, that's bad, huh? 705 00:40:58,000 --> 00:41:00,000 That's not good. 706 00:41:00,000 --> 00:41:05,000 With some ultra-dangerous explosives, this is the worst-case scenario. 707 00:41:05,000 --> 00:41:09,000 But at least we have the best in the business to sort it out. 708 00:41:09,000 --> 00:41:12,000 Well, we had a Murphy's Law glitch. 709 00:41:12,000 --> 00:41:19,000 And apparently there was a minor break in the firing line. 710 00:41:19,000 --> 00:41:25,000 And that's being corrected, and we're gonna move full speed ahead and go to plan B. 711 00:41:28,000 --> 00:41:32,000 Three, two, one. 712 00:41:35,000 --> 00:41:38,000 Yeah! That's what I'm talking about. 713 00:41:38,000 --> 00:41:40,000 Those are exploding pants. 714 00:41:40,000 --> 00:41:42,000 Buster's not there anymore. 715 00:41:42,000 --> 00:41:46,000 That's 10 milliseconds to blow him up in three hours to find the pieces. 716 00:41:46,000 --> 00:41:47,000 That was cool. 717 00:41:47,000 --> 00:41:48,000 Hop in the hole. 718 00:41:50,000 --> 00:41:56,000 Smoldering buster parts all spanking over the field. 719 00:41:56,000 --> 00:41:58,000 There's a space! 720 00:41:58,000 --> 00:42:00,000 That's a hat. 721 00:42:00,000 --> 00:42:02,000 Frank, what'd you do to buster? 722 00:42:02,000 --> 00:42:05,000 Friends and family of buster should look away now. 723 00:42:05,000 --> 00:42:07,000 Bottom. 724 00:42:07,000 --> 00:42:11,000 Okay, I got leg and knee. That's good. 725 00:42:11,000 --> 00:42:13,000 I got a face, there's a thigh. 726 00:42:13,000 --> 00:42:14,000 There's a chest and a head. 727 00:42:14,000 --> 00:42:18,000 Even the great Humpty Dumpty was never this scrambled. 728 00:42:18,000 --> 00:42:19,000 What do you got? 729 00:42:19,000 --> 00:42:21,000 I got a hand. 730 00:42:21,000 --> 00:42:23,000 That's all that's left of his pants. 731 00:42:23,000 --> 00:42:26,000 But I guess all Humpty did was fall off a wall, 732 00:42:26,000 --> 00:42:31,000 whereas buster just got blown to smithereens by the bomb squad. 733 00:42:31,000 --> 00:42:34,000 I am not disappointed with these exploding pants. 734 00:42:34,000 --> 00:42:37,000 That was one of the finer explosions I've ever seen in my life. 735 00:42:37,000 --> 00:42:43,000 And when watching the high speed, you can actually watch body parts go off into the hills somewhere. 736 00:42:43,000 --> 00:42:47,000 Where I don't know, but I'm sure they're out there. 737 00:42:49,000 --> 00:42:54,000 Well, after that blast, as Frank said, busters on his way to New York. 738 00:42:54,000 --> 00:42:58,000 Now that's what I call flying by the seat of your pants. 739 00:42:58,000 --> 00:43:00,000 How did you guys go? 740 00:43:00,000 --> 00:43:02,000 Dude, it was sick. 741 00:43:02,000 --> 00:43:04,000 I think this might be my new favorite myth. 742 00:43:04,000 --> 00:43:06,000 We actually had exploding pants. 743 00:43:06,000 --> 00:43:10,000 But you know what though, the herbicide-treated pants were still really dangerous 744 00:43:10,000 --> 00:43:14,000 and we know that that chemical was common in New Zealand at the time. 745 00:43:14,000 --> 00:43:19,000 And I mean, if I was telling the story and I had a flash ignition in my pants, I would call an explosion. 746 00:43:19,000 --> 00:43:24,000 So you've got a little history and some exploding pants, you can call this one confirmed. 747 00:43:24,000 --> 00:43:27,000 I sure hope this never happens in my pants. 748 00:43:27,000 --> 00:43:29,000 Let's all pray it doesn't.