1 00:00:00,000 --> 00:00:08,720 Music 2 00:00:08,720 --> 00:00:09,720 Don't! 3 00:00:09,720 --> 00:00:16,720 Music 4 00:00:16,720 --> 00:00:17,720 I've seen it. 5 00:00:17,720 --> 00:00:18,720 This is so- 6 00:00:18,720 --> 00:00:19,720 Sigh 7 00:00:19,720 --> 00:00:21,720 Definitely no. 8 00:00:21,720 --> 00:00:23,720 Music 9 00:00:23,720 --> 00:00:24,720 Bzzz 10 00:00:24,720 --> 00:00:26,720 Music 11 00:00:26,720 --> 00:00:27,720 No! 12 00:00:27,720 --> 00:00:39,440 Music 13 00:00:39,440 --> 00:00:40,440 No! 14 00:00:40,440 --> 00:00:41,440 No! 15 00:00:41,440 --> 00:00:42,440 Boring. 16 00:00:42,440 --> 00:00:44,440 So many channels. 17 00:00:44,440 --> 00:00:45,440 Nothing's on. 18 00:00:45,440 --> 00:00:46,440 Music 19 00:00:46,440 --> 00:00:48,440 Welcome to the Mith Crackers. 20 00:00:48,440 --> 00:00:49,440 Music 21 00:00:49,440 --> 00:00:50,440 Ah! 22 00:00:50,440 --> 00:00:51,440 Music 23 00:00:51,440 --> 00:00:57,400 That was fun being on that show. 24 00:00:57,420 --> 00:00:58,420 What was it? 25 00:00:58,420 --> 00:00:59,420 We were trying to prove again. 26 00:00:59,420 --> 00:01:00,420 Don't know. 27 00:01:00,420 --> 00:01:01,420 Don't care. 28 00:01:01,420 --> 00:01:02,420 Oh, oh, oh, oh, oh. 29 00:01:02,420 --> 00:01:03,420 Blow it up. 30 00:01:03,420 --> 00:01:08,560 But you know, I was thinking, if we did their show, shouldn't they do our show? 31 00:01:08,560 --> 00:01:10,680 A Simpson's special? 32 00:01:10,680 --> 00:01:11,680 Absolutely. 33 00:01:11,680 --> 00:01:12,680 Ha ha ha. 34 00:01:12,680 --> 00:01:13,680 Let's do it. 35 00:01:13,680 --> 00:01:17,440 繁儿一切 36 00:01:41,920 --> 00:01:42,220 Capt. Har Matter 37 00:01:42,320 --> 00:01:43,420 Hey. 38 00:01:43,420 --> 00:01:44,420 Who's this? 39 00:01:44,420 --> 00:01:46,420 It's Al Jean. 40 00:01:46,420 --> 00:01:47,920 Okay. Hi Al. 41 00:01:47,920 --> 00:01:48,920 Pleased to meet you. 42 00:01:48,920 --> 00:01:50,920 Jamie, it's Al Jean. 43 00:01:50,920 --> 00:01:51,920 I'm sorry. 44 00:01:51,920 --> 00:01:56,000 The executive producer and the showrunner of the best animated series ever in the longest 45 00:01:56,000 --> 00:01:58,420 running scripted show on television, The Simpsons? 46 00:01:58,420 --> 00:02:00,920 Oh, The Simpsons. Welcome Al. 47 00:02:00,920 --> 00:02:03,920 You were thinking South Park. 48 00:02:03,920 --> 00:02:06,420 So, are we going to be animating? 49 00:02:06,420 --> 00:02:10,420 No, look, their writing staff is packed with science and math-geeks, right? 50 00:02:10,420 --> 00:02:11,420 110%. 51 00:02:11,420 --> 00:02:14,420 And they try and hold to the laws of physics, right? 52 00:02:14,420 --> 00:02:15,420 Yeah. 53 00:02:15,420 --> 00:02:17,420 Conservation of math, it's the law. 54 00:02:17,420 --> 00:02:19,420 Ish, we're going to do a couple of stories from The Simpsons. 55 00:02:19,420 --> 00:02:20,420 Like what? 56 00:02:20,420 --> 00:02:24,420 Okay, we've got one where Bart throws a lit cherry bomb into the sewer system of the 57 00:02:24,420 --> 00:02:27,420 school and turns all of the toilets in the school into geysers. 58 00:02:27,420 --> 00:02:29,420 My favorite episodes, The Crepes of Rat. 59 00:02:29,420 --> 00:02:31,420 Okay, that works. What else? 60 00:02:31,420 --> 00:02:37,420 We have another one where Homer protects his house from a 5,000-pound wrecking ball by 61 00:02:37,420 --> 00:02:40,420 putting his body between the wrecking ball and the house. 62 00:02:40,420 --> 00:02:43,420 So, cartoon physics in the real world. 63 00:02:43,420 --> 00:02:45,420 That's Jamie excited. 64 00:02:45,420 --> 00:02:47,420 He's excited to get out of this room. 65 00:02:47,420 --> 00:02:48,420 Yeah, problem. 66 00:02:53,420 --> 00:02:57,420 Now, it is one thing to look at physics from the movie world and see how realistic they 67 00:02:57,420 --> 00:02:59,420 are in the real world. 68 00:02:59,420 --> 00:03:02,420 It's another entirely to try that with a cartoon. 69 00:03:02,420 --> 00:03:07,420 And in an investigating Homer versus the wrecking ball, Jamie's tackling the wrecking ball. 70 00:03:08,420 --> 00:03:14,420 And I've got to build a full-size Homer with all the same dimensions, body mass, and water 71 00:03:14,420 --> 00:03:19,420 content as if Homer was a real person. 72 00:03:19,420 --> 00:03:26,420 Yep, to determine the kinetic energy implications of Homer's heroic intervention, the size and 73 00:03:26,420 --> 00:03:32,420 mass of the key animated elements have to be accurately translated from Springfield to 74 00:03:32,420 --> 00:03:34,420 the real world. 75 00:03:34,420 --> 00:03:39,420 So Al, we really strive to be as accurate as possible on this show. 76 00:03:39,420 --> 00:03:44,420 So I'm hoping you can supply us with some real-world dimensions of Homer. 77 00:03:46,420 --> 00:03:48,420 Lights. How tall is he? 78 00:03:48,420 --> 00:03:52,420 Well, you have to be really accurate. He's 5'11", and that's what the animators always use. 79 00:03:52,420 --> 00:03:53,420 What about his shoe size? 80 00:03:53,420 --> 00:03:54,420 11 and a half. 81 00:03:54,420 --> 00:03:56,420 Those are almost exactly my dimensions. 82 00:03:56,420 --> 00:03:59,420 Well, the good news for you is you have less stomach and more hair. 83 00:04:00,420 --> 00:04:04,420 Speaking of his stomach, how much does Homer actually weigh? 84 00:04:04,420 --> 00:04:08,420 Well, about 240, but we think 239 is funnier. So 239. 85 00:04:13,420 --> 00:04:18,420 Ladies and gentlemen, this is Homer Simpson, full-size. Al, thank you so much. 86 00:04:18,420 --> 00:04:20,420 I'm going to leave you alone with the donuts. Is that okay? 87 00:04:20,420 --> 00:04:21,420 They'll be gone when you're back. 88 00:04:21,420 --> 00:04:24,420 Mmm, donuts. 89 00:04:25,420 --> 00:04:33,420 Armed with Homer's exact specs, Adam commences the construction of an animated American icon. 90 00:04:33,420 --> 00:04:36,420 USA! USA! 91 00:04:36,420 --> 00:04:38,420 Starting with upholstery foam. 92 00:04:38,420 --> 00:04:40,420 That's pretty good. 93 00:04:40,420 --> 00:04:45,420 Adam utilizes a method with familiar, family-friendly results. 94 00:04:47,420 --> 00:04:53,420 This technique that I'm using of gluing an open-cell urethane foam to itself is referred to as 95 00:04:53,420 --> 00:04:59,420 additive foam building. Because instead of like casting and mold making a flexible foam, 96 00:04:59,420 --> 00:05:04,420 I'm physically building the parts that I need out of sheet foam. 97 00:05:04,420 --> 00:05:09,420 What you might not know, this is how all your muppets were made. 98 00:05:09,420 --> 00:05:10,420 Yep. 99 00:05:10,420 --> 00:05:12,420 Same technique. 100 00:05:12,420 --> 00:05:15,420 There we go. Do I look like Homer at all? 101 00:05:15,420 --> 00:05:17,420 Hi. 102 00:05:18,420 --> 00:05:20,420 What? 103 00:05:23,420 --> 00:05:28,420 With the arms starting to take shape, it's on to Homer's famously tubby torso. 104 00:05:28,420 --> 00:05:32,420 One, two, three, four, and five. 105 00:05:32,420 --> 00:05:35,420 Doesn't look like much, but that's going to be Homer soon. 106 00:05:35,420 --> 00:05:40,420 A series of cylindrical discs glued together form the tapered shape. 107 00:05:40,420 --> 00:05:42,420 Yeah! 108 00:05:42,420 --> 00:05:45,420 The human-like mass and density will come later. 109 00:05:45,420 --> 00:05:48,420 For now, Adam's immersed in his art. 110 00:05:48,420 --> 00:05:51,420 I know exactly what it feels like to be Michelangelo. 111 00:05:51,420 --> 00:05:54,420 Well, maybe not exactly, but just like a little bit. 112 00:05:54,420 --> 00:05:57,420 If he carved in foam, it made cartoon characters. 113 00:05:59,420 --> 00:06:03,420 This is what we call a shop shower. 114 00:06:03,420 --> 00:06:08,420 Next, the arms are attached to shoulder joints. 115 00:06:08,420 --> 00:06:15,420 And the legs are measured, cut, and positioned on the posterior. 116 00:06:15,420 --> 00:06:17,420 That's it, ladies and gentlemen. 117 00:06:17,420 --> 00:06:20,420 And with those foam pieces of the puzzle in place. 118 00:06:20,420 --> 00:06:22,420 All right, I'm pretty happy with that. 119 00:06:22,420 --> 00:06:24,420 That's looking a lot like Homer. 120 00:06:24,420 --> 00:06:27,420 Adam heads out for help with Homer's head. 121 00:06:27,420 --> 00:06:29,420 This is the set of the foam. 122 00:06:29,420 --> 00:06:32,420 Adam heads out for help with Homer's head. 123 00:06:32,420 --> 00:06:36,420 This is the center of what used to be industrial light magic. 124 00:06:36,420 --> 00:06:39,420 Now, behind that blue door is legendary machinist, 125 00:06:39,420 --> 00:06:42,420 Merrick Cheney, who built armatures for the stop-motion films 126 00:06:42,420 --> 00:06:45,420 Nightmare Before Christmas and a million other movies. 127 00:06:45,420 --> 00:06:49,420 And he's going to help us get Homer's head screwed on right. 128 00:06:50,420 --> 00:06:52,420 So, Merrick, how's this going to work? 129 00:06:52,420 --> 00:06:55,420 So, we've taken your model of Homer's head. 130 00:06:55,420 --> 00:06:58,420 I've converted it into a machineable file. 131 00:06:58,420 --> 00:07:01,420 And I've cut it up into, like, eight chunks. 132 00:07:01,420 --> 00:07:02,420 That is cool. 133 00:07:02,420 --> 00:07:06,420 And they all fit together kind of like a three-dimensional puzzle. 134 00:07:06,420 --> 00:07:09,420 And that eight-piece puzzle will form a central cavity, 135 00:07:09,420 --> 00:07:14,420 a negative space mold of Homer's ironically large cranium. 136 00:07:14,420 --> 00:07:19,420 So, there you go. That is mold block number one, comprising the bottom left side 137 00:07:19,420 --> 00:07:22,420 of Homer's face, the front part. 138 00:07:22,420 --> 00:07:24,420 That's number one of eight. 139 00:07:24,420 --> 00:07:26,420 While Adam waits for all eight, 140 00:07:26,420 --> 00:07:30,420 the Heinemann has been concocting an ingenious plan. 141 00:07:30,420 --> 00:07:35,420 In the cartoon, Homer appears to be on a wrecking ball that's about as tall as he is. 142 00:07:35,420 --> 00:07:39,420 And because it's so much larger than a real-world wrecking ball, 143 00:07:39,420 --> 00:07:41,420 I've got to make my own. 144 00:07:41,420 --> 00:07:44,420 And that's not exactly an easy task. 145 00:07:44,420 --> 00:07:46,420 But I've got an idea. 146 00:07:46,420 --> 00:07:48,420 Easy as pie. 147 00:07:48,420 --> 00:07:51,420 The task at hand is to build a custom wrecking ball 148 00:07:51,420 --> 00:07:54,420 the same dimensions as the one in the clip. 149 00:07:54,420 --> 00:07:58,420 But weighing in at a realistic 5,000 pounds. 150 00:07:58,420 --> 00:08:01,420 So, you're starting to get the picture? 151 00:08:01,420 --> 00:08:03,420 It's a unique manufacturing assignment. 152 00:08:03,420 --> 00:08:07,420 The Heinemann is tackling in his own unique way. 153 00:08:07,420 --> 00:08:11,420 There are a lot of different ways of making a big heavy ball. 154 00:08:11,420 --> 00:08:18,420 But the quickest and easiest way I know of to do it would be with steel reinforced concrete. 155 00:08:18,420 --> 00:08:21,420 Now, to do that, you need a mold. 156 00:08:21,420 --> 00:08:27,420 I've come up with an idea of creating what amounts to a hemispherical shaped auger 157 00:08:27,420 --> 00:08:30,420 that I can chuck onto the back of some earth moving equipment 158 00:08:30,420 --> 00:08:34,420 and dig two hemispherical holes right in the ground. 159 00:08:34,420 --> 00:08:38,420 It looks like it might sort of just make it. 160 00:08:38,420 --> 00:08:40,420 Ha ha ha ha ha. 161 00:08:40,420 --> 00:08:44,420 We pour our concrete in there around a steel armature, 162 00:08:44,420 --> 00:08:47,420 let it cure, put them together, 163 00:08:47,420 --> 00:08:49,420 and you got a ball. 164 00:08:49,420 --> 00:08:52,420 Yes, heavy ball. 165 00:08:52,420 --> 00:08:55,420 Yep, to make two hemispherical molds. 166 00:08:55,420 --> 00:08:57,420 It's working. 167 00:08:57,420 --> 00:09:00,420 For the two halves of the concrete wrecking ball, 168 00:09:00,420 --> 00:09:02,420 that's what I'm talking about. 169 00:09:02,420 --> 00:09:06,420 Jamie's designed and constructed a one of a kind tool. 170 00:09:06,420 --> 00:09:09,420 This is working great. 171 00:09:09,420 --> 00:09:12,420 Ha ha ha. 172 00:09:12,420 --> 00:09:13,420 Ha ha. 173 00:09:13,420 --> 00:09:16,420 Next. 174 00:09:16,420 --> 00:09:18,420 The rig didn't break. 175 00:09:18,420 --> 00:09:24,420 It's made a nice symmetrical half sphere. 176 00:09:24,420 --> 00:09:28,420 It's clearly solid enough to have concrete poured in it. 177 00:09:28,420 --> 00:09:30,420 It's perfect. 178 00:09:30,420 --> 00:09:33,420 Which is what's going to happen pretty much next. 179 00:09:37,420 --> 00:09:39,420 Oh, look at that. 180 00:09:39,420 --> 00:09:41,420 The steel armature made back at the shop 181 00:09:41,420 --> 00:09:45,420 will provide structure for the concrete half shells. 182 00:09:45,420 --> 00:09:48,420 And you could say the Heidemann is happy. 183 00:09:48,420 --> 00:09:52,420 This is working exactly like I had in mind. 184 00:09:54,420 --> 00:09:57,420 Normally if you want to make a big sphere like this, 185 00:09:57,420 --> 00:10:00,420 you'd start off with a big chunk of foam, 186 00:10:00,420 --> 00:10:02,420 you'd carve it into a sphere. 187 00:10:02,420 --> 00:10:04,420 Our little hose are perfect. 188 00:10:04,420 --> 00:10:06,420 You'd put fiberglass over it, 189 00:10:06,420 --> 00:10:10,420 and then you'd make another mold of the interior cavity 190 00:10:10,420 --> 00:10:14,420 and it'd take several people pretty much all week long 191 00:10:14,420 --> 00:10:17,420 just to accomplish this. 192 00:10:17,420 --> 00:10:22,420 Instead of doing that, we just dug a hole. 193 00:10:22,420 --> 00:10:24,420 I'm just saying. 194 00:10:24,420 --> 00:10:27,420 With the concrete shaped and edged with matching seams, 195 00:10:27,420 --> 00:10:32,420 phase one of Janie's big ball is complete. 196 00:10:32,420 --> 00:10:34,420 Now that has to sit for about a week and a half 197 00:10:34,420 --> 00:10:36,420 and then we're going to pull that one out, 198 00:10:36,420 --> 00:10:40,420 turn it upside down and put it on top of this one. 199 00:10:40,420 --> 00:10:42,420 And we'll bond the two things together 200 00:10:42,420 --> 00:10:44,420 and we've got a wrecking ball. 201 00:10:44,420 --> 00:10:49,420 With two weeks before Janie can wreak wrecking ball havoc, 202 00:10:49,420 --> 00:10:54,420 it's back to the shop for part two of this Springfield Spectacular. 203 00:10:54,420 --> 00:10:55,420 So what's next? 204 00:10:55,420 --> 00:10:57,420 Toilet bomb. Al, you want to do the honors? 205 00:10:57,420 --> 00:10:58,420 Thank you, Adam. 206 00:10:58,420 --> 00:11:00,420 Well, in one of the early episodes of The Simpsons, 207 00:11:00,420 --> 00:11:03,420 Bart flushes a cherry bomb down the toilet. 208 00:11:03,420 --> 00:11:05,420 So long, sucker! 209 00:11:05,420 --> 00:11:08,420 And it immediately sends geysers of water shooting 210 00:11:08,420 --> 00:11:10,420 out of every toilet on the block. 211 00:11:13,420 --> 00:11:16,420 So explosives and toilets. 212 00:11:16,420 --> 00:11:19,420 I'm thinking we should start small scale. 213 00:11:19,420 --> 00:11:21,420 I totally agree. 214 00:11:24,420 --> 00:11:27,420 I am licensed to drive this. 215 00:11:27,420 --> 00:11:28,420 Oh, whoop. 216 00:11:30,420 --> 00:11:33,420 The myth is that an explosion will travel through a plumbing system 217 00:11:33,420 --> 00:11:36,420 causing multiple geysers out of the toilets. 218 00:11:37,420 --> 00:11:39,420 That's the bowl. 219 00:11:39,420 --> 00:11:42,420 And that's where the magic happens. 220 00:11:42,420 --> 00:11:45,420 And to test that, we're going to do three things. 221 00:11:46,420 --> 00:11:49,420 Number one, I'm going to make three transparent working toilets 222 00:11:49,420 --> 00:11:52,420 so we can really see what happens when things go boom. 223 00:11:52,420 --> 00:11:54,420 Number two, number two, 224 00:11:54,420 --> 00:11:59,420 I'm going to connect them with an accurate waste disposal system. 225 00:12:00,420 --> 00:12:02,420 Two more like that, if we're good to go. 226 00:12:02,420 --> 00:12:04,420 And finally, we're going to be introducing 227 00:12:04,420 --> 00:12:08,420 a cherry bomb-like explosion into that system. 228 00:12:08,420 --> 00:12:11,420 And well, then we're going to see what we see. 229 00:12:11,420 --> 00:12:14,420 Recreating Springfield Elementary's plumbing system 230 00:12:14,420 --> 00:12:16,420 sounds elementary. 231 00:12:16,420 --> 00:12:18,420 Melting my brain. 232 00:12:18,420 --> 00:12:20,420 But it's anything but. 233 00:12:22,420 --> 00:12:24,420 I'm trying to work out how to do this 234 00:12:24,420 --> 00:12:26,420 and because I'm molding it, 235 00:12:26,420 --> 00:12:28,420 effectively I have to think upside down and backwards. 236 00:12:28,420 --> 00:12:30,420 So the negative space here, 237 00:12:30,420 --> 00:12:33,420 you see I'm going to fill with a stone plaster. 238 00:12:33,420 --> 00:12:36,420 So that when the stone plaster sets, 239 00:12:36,420 --> 00:12:38,420 I'll pull out all the bead foam 240 00:12:38,420 --> 00:12:40,420 and I'll be left with a toilet negative. 241 00:12:40,420 --> 00:12:43,420 The front to which I will mount a piece of acrylic. 242 00:12:43,420 --> 00:12:45,420 Excellent. 243 00:12:45,420 --> 00:12:47,420 So that we can see what's happening in the toilet. 244 00:12:47,420 --> 00:12:49,420 It's going to be freaking awesome. 245 00:12:49,420 --> 00:12:51,420 And after the plaster is set, 246 00:12:51,420 --> 00:12:54,420 the negative space molds are removed. 247 00:12:54,420 --> 00:12:56,420 Okay, one. 248 00:12:56,420 --> 00:12:58,420 To reveal the balls. 249 00:12:58,420 --> 00:13:00,420 Number two. 250 00:13:00,420 --> 00:13:01,420 Number two, get it? 251 00:13:01,420 --> 00:13:03,420 Because in a, never mind. 252 00:13:04,420 --> 00:13:06,420 Add once they're cleaned up 253 00:13:06,420 --> 00:13:08,420 and dried out. 254 00:13:10,420 --> 00:13:12,420 A little bit of an oven. 255 00:13:13,420 --> 00:13:15,420 Adam mounts them 256 00:13:15,420 --> 00:13:17,420 and seals the system 257 00:13:17,420 --> 00:13:20,420 with a transparent sheet of half inch acrylic. 258 00:13:20,420 --> 00:13:23,420 I get excited about a good experimental rig. 259 00:13:25,420 --> 00:13:27,420 There we go. 260 00:13:27,420 --> 00:13:29,420 She is a freestanding. 261 00:13:29,420 --> 00:13:31,420 My freestanding toilet sculptor. 262 00:13:31,420 --> 00:13:34,420 I think it's time to flush a toilet. 263 00:13:34,420 --> 00:13:36,420 So long sucker. 264 00:13:36,420 --> 00:13:39,420 I'm going to watch one of these work right now. 265 00:13:42,420 --> 00:13:44,420 Now, right here, this is where the important part 266 00:13:44,420 --> 00:13:47,420 of the functionality of a toilet is about to happen. 267 00:13:47,420 --> 00:13:49,420 We think of toilets as like, 268 00:13:49,420 --> 00:13:51,420 there's water and it's water all the way down, 269 00:13:51,420 --> 00:13:53,420 but it's not. 270 00:13:53,420 --> 00:13:56,420 Toilet systems are mostly air and here's how it works. 271 00:13:56,420 --> 00:13:59,420 If you put more liquid in the system, 272 00:13:59,420 --> 00:14:02,420 then it can handle, it just spills over here. 273 00:14:02,420 --> 00:14:05,420 Now, if I flush this toilet by putting more water in, 274 00:14:05,420 --> 00:14:07,420 check out what happens. 275 00:14:08,420 --> 00:14:10,420 That works just like a toilet. 276 00:14:12,420 --> 00:14:15,420 But that's only half the story. 277 00:14:18,420 --> 00:14:20,420 Now that the toilets are finished 278 00:14:20,420 --> 00:14:23,420 and actually working, it's time to plumb them into a system. 279 00:14:23,420 --> 00:14:25,420 Excellent. 280 00:14:25,420 --> 00:14:28,420 Okay, see, the toilets in Bart's school 281 00:14:28,420 --> 00:14:31,420 would have all been connected to a central set of pipes. 282 00:14:31,420 --> 00:14:34,420 That's what I'm about to build in scale. 283 00:14:36,420 --> 00:14:38,420 So here we go. 284 00:14:40,420 --> 00:14:42,420 You're supposed to cut. 285 00:14:42,420 --> 00:14:45,420 The plumbing beneath the bowls is crucial. 286 00:14:45,420 --> 00:14:46,420 Good. 287 00:14:46,420 --> 00:14:49,420 To accurately model the pressure wave effects of Bart's bomb, 288 00:14:49,420 --> 00:14:53,420 it has to be set up just like a three-stall school sewage system. 289 00:14:53,420 --> 00:14:56,420 Complete with two crucial effluent outflows 290 00:14:56,420 --> 00:14:59,420 the system has multiple exits for the blast. 291 00:15:00,420 --> 00:15:05,420 And with that, this Simpson special Game of Thrones 292 00:15:05,420 --> 00:15:07,420 Fire in the Bowl. 293 00:15:07,420 --> 00:15:08,420 Explosion in three. 294 00:15:08,420 --> 00:15:11,420 Is ready for blast off. Go! 295 00:15:19,420 --> 00:15:22,420 Adam and Jamie have hit Springfield again. 296 00:15:22,420 --> 00:15:26,420 Tonight we take on the classic myth that a cat will always land on its feet. 297 00:15:27,420 --> 00:15:32,420 But this time, instead of experimenting as animated characters... 298 00:15:32,420 --> 00:15:34,420 What was it we were trying to prove again? 299 00:15:34,420 --> 00:15:36,420 Don't know. Don't care. 300 00:15:38,420 --> 00:15:41,420 They're animatively experimenting. 301 00:15:43,420 --> 00:15:46,420 And with a transparent trio of toilets ready to blow, 302 00:15:47,420 --> 00:15:51,420 they want to know if Bart's bomb could have really got it. 303 00:15:52,420 --> 00:15:55,420 And it could have flashed multiple geysers. 304 00:15:57,420 --> 00:16:00,420 Now what happens when you flush a cherry bomb down one of these toilets? 305 00:16:00,420 --> 00:16:03,420 Well, it's going to go down through the plumbing and it could blow anywhere. 306 00:16:03,420 --> 00:16:06,420 It could blow here, it could blow here, it could blow down there. 307 00:16:06,420 --> 00:16:09,420 That's actually what these black caps are. 308 00:16:09,420 --> 00:16:13,420 These are places in the plumbing system we can introduce the pressure from the cherry bomb. 309 00:16:13,420 --> 00:16:15,420 But we're not going to use a cherry bomb. 310 00:16:15,420 --> 00:16:17,420 Not in my shop, we're not. 311 00:16:17,420 --> 00:16:19,420 Number one, it's illegal. 312 00:16:19,420 --> 00:16:24,420 And number two, it's potentially dangerous and definitely very messy. 313 00:16:24,420 --> 00:16:27,420 So we're going to need a little bit more control if we're going to do it here. 314 00:16:27,420 --> 00:16:31,420 For that, we have my little pop gun, which has a fast-acting valve on it 315 00:16:31,420 --> 00:16:34,420 that releases a blast of pressurized air. 316 00:16:36,420 --> 00:16:38,420 And that's essentially what an explosion does. 317 00:16:38,420 --> 00:16:42,420 It creates a volume of rapidly expanding gases in a pressure wave. 318 00:16:42,420 --> 00:16:46,420 So we're going to plumb my little pop gun into Adam's rig in various places, 319 00:16:46,420 --> 00:16:49,420 adjust the pressure and see what happens. 320 00:16:49,420 --> 00:16:50,420 20 psi? 321 00:16:50,420 --> 00:16:52,420 Yeah, that's a big fat dump. 322 00:16:52,420 --> 00:16:54,420 Of pressure. 323 00:16:56,420 --> 00:16:57,420 Nice. 324 00:16:57,420 --> 00:16:59,420 Let me know when you're ready. 325 00:16:59,420 --> 00:17:00,420 All right, I'm going to count it down. 326 00:17:00,420 --> 00:17:09,420 Cherry bomb, half-scaled toilet experiment, position number one, explosion in three, two, one, go. 327 00:17:09,420 --> 00:17:10,420 Go. 328 00:17:15,420 --> 00:17:22,420 A simultaneous tsunami and the physics of Springfield are looking surprisingly accurate. 329 00:17:22,420 --> 00:17:25,420 This first test showed that pressure delivered to the middle toilet 330 00:17:25,420 --> 00:17:28,420 was pretty evenly distributed to the other toilets around it. 331 00:17:28,420 --> 00:17:30,420 It's quite pretty, actually. 332 00:17:30,420 --> 00:17:32,420 Yeah, it's like a little bit of a water ballet. 333 00:17:32,420 --> 00:17:34,420 Some sort of modern art. 334 00:17:35,420 --> 00:17:40,420 Now we want to know what would happen if the cherry bomb and its pressure went here or here. 335 00:17:40,420 --> 00:17:42,420 Would that make any difference? 336 00:17:45,420 --> 00:17:51,420 I don't know about you folks, but whenever I go to the toilet, I always take my umbrella. 337 00:17:51,420 --> 00:18:00,420 Half-scaled cherry bomb, toilet experiment, position number two, two, explosion in three, two, one, go. 338 00:18:05,420 --> 00:18:07,420 That's very satisfying. 339 00:18:08,420 --> 00:18:11,420 Another successful concurrent eruption. 340 00:18:11,420 --> 00:18:13,420 Position number three, go. 341 00:18:13,420 --> 00:18:18,420 One that's replicated regardless of where the explosion originates. 342 00:18:19,420 --> 00:18:23,420 Which kind of makes sense because there's resistance in each of these toilets, 343 00:18:23,420 --> 00:18:28,420 and so with multiple inlets, that resistance is going to tend to equalize the pressure. 344 00:18:28,420 --> 00:18:29,420 Yeah. 345 00:18:29,420 --> 00:18:33,420 The pressure spread is plausible, but Adam has an issue with volume. 346 00:18:33,420 --> 00:18:37,420 Now up until now we've been experimenting with a properly set up plumbing system, 347 00:18:37,420 --> 00:18:43,420 but it's not quite the fountain of water that we see in the show because there's just not enough water in the system. 348 00:18:43,420 --> 00:18:46,420 But what if there is a clog in the system? 349 00:18:46,420 --> 00:18:47,420 There we go. 350 00:18:47,420 --> 00:18:55,420 The clog could have water backed up in that system, and the cherry bomb could go in that, and then it's pushing water. 351 00:18:56,420 --> 00:18:57,420 What do you think? 352 00:18:57,420 --> 00:18:58,420 That's about got it. 353 00:18:58,420 --> 00:18:59,420 All right. 354 00:18:59,420 --> 00:19:02,420 What happens to that water? Does it come out of the toilets? 355 00:19:02,420 --> 00:19:06,420 I kind of think so, but we're going to try it just to make sure. 356 00:19:06,420 --> 00:19:09,420 All right. This is a fully clogged toilet system. 357 00:19:09,420 --> 00:19:12,420 Three, two, one, go. 358 00:19:20,420 --> 00:19:23,420 I think we found the explosion we were looking for. 359 00:19:33,420 --> 00:19:39,420 Well, aside from being pretty to look at, our half scale system has demonstrated exactly what we were hoping, 360 00:19:39,420 --> 00:19:45,420 and that is the Simpsons like fountain water shooting out of the toilet behavior from a cherry bomb thrown into the system. 361 00:19:49,420 --> 00:19:51,420 So I think we're going to go full scale. 362 00:19:51,420 --> 00:19:55,420 I think we're going to detonate our cherry bomb back behind some clogged up water. 363 00:19:55,420 --> 00:20:01,420 The question we have when we go to full scale, will the cherry bomb actually generate the pressure we need? 364 00:20:03,420 --> 00:20:04,420 We don't know. 365 00:20:04,420 --> 00:20:05,420 That's why we're going to do it. 366 00:20:05,420 --> 00:20:06,420 Excuse me. 367 00:20:06,420 --> 00:20:07,420 Sorry. 368 00:20:10,420 --> 00:20:12,420 While the crew completes the cleanup, 369 00:20:15,420 --> 00:20:19,420 the epic odyssey of Hall's heroic intervention continues, 370 00:20:20,420 --> 00:20:23,420 because Jamie's big ball has hardened, 371 00:20:24,420 --> 00:20:28,420 and his distinctly unconventional plan is paid off. 372 00:20:29,420 --> 00:20:31,420 It's looking pretty good. 373 00:20:32,420 --> 00:20:37,420 Next, he makes the two halves a hull and seals the deal with a super strong sealant. 374 00:20:37,420 --> 00:20:43,420 This is a specially formulated epoxy for anchoring things in concrete. 375 00:20:46,420 --> 00:20:51,420 So my plan worked exactly as I had in mind, and we've got a nice spherical shape. 376 00:20:51,420 --> 00:20:55,420 Little chiseling and a little mortar, and this thing will clean up real nice, 377 00:20:55,420 --> 00:20:58,420 and we'll have one heck of a big wrecking ball. 378 00:20:58,420 --> 00:21:03,420 With that, Jamie heads back to the shop, where Homer's head has just arrived. 379 00:21:03,420 --> 00:21:05,420 Dude, look at that. 380 00:21:05,420 --> 00:21:07,420 That is so pretty. 381 00:21:07,420 --> 00:21:09,420 That's a nice smooth surface. 382 00:21:09,420 --> 00:21:12,420 Now that we have these lovely molds of Homer's head, 383 00:21:12,420 --> 00:21:16,420 we're going to coat the inside of the hull with a little bit of resin. 384 00:21:16,420 --> 00:21:19,420 Now that we have these lovely molds of Homer's head, 385 00:21:19,420 --> 00:21:22,420 we're going to coat the insides with a tinsid latex, 386 00:21:22,420 --> 00:21:27,420 because that'll give us the correct color and also a nice tough skin. 387 00:21:27,420 --> 00:21:33,420 Once the latex skin is dried, Jamie fills Homer's head with a two-part pouring foam. 388 00:21:34,420 --> 00:21:37,420 Now this stuff expands about four to one, 389 00:21:37,420 --> 00:21:42,420 and it's a little hard to estimate Homer's head volume. 390 00:21:42,420 --> 00:21:45,420 All I can see is that it's much larger than mine. 391 00:21:46,420 --> 00:21:48,420 As hard as that is to believe. 392 00:21:48,420 --> 00:21:50,420 Want to help me pull this thing apart? 393 00:21:50,420 --> 00:21:52,420 Fifty minutes later, the foam is set. 394 00:21:52,420 --> 00:21:53,420 There you go. 395 00:21:54,420 --> 00:21:55,420 Come on. 396 00:21:55,420 --> 00:22:00,420 And Homer's precisely proportioned profile is revealed in all its glory. 397 00:22:00,420 --> 00:22:02,420 It's kind of heavy. 398 00:22:02,420 --> 00:22:04,420 That looks awesome. 399 00:22:04,420 --> 00:22:06,420 Totally fantastic. 400 00:22:06,420 --> 00:22:11,420 For the finishing touches, Jamie paints Homer's famously unshaven mug. 401 00:22:11,420 --> 00:22:13,420 Starting to look like Homer. 402 00:22:13,420 --> 00:22:16,420 Adam coats his torso with waterproof rubber. 403 00:22:18,420 --> 00:22:22,420 And Jamie adds the ears and those instantly recognizable eyes. 404 00:22:24,420 --> 00:22:26,420 Kind of comes to life when you do that. 405 00:22:29,420 --> 00:22:33,420 So Homer is very, very nearly complete. 406 00:22:33,420 --> 00:22:36,420 We've painted all of his body parts, including his head and now his hands, 407 00:22:36,420 --> 00:22:39,420 a suitable shade of Simpson's yellow. 408 00:22:39,420 --> 00:22:44,420 After this, we'll send his measurements out to our seamstress to make him a full set of clothes. 409 00:22:44,420 --> 00:22:47,420 Then it's time to take him out to the location and abuse him. 410 00:22:58,420 --> 00:23:06,420 To recap, Homer supposedly protects his house by placing himself between a wrecking ball and his house 411 00:23:06,420 --> 00:23:08,420 and absorbing the shot with his body. 412 00:23:08,420 --> 00:23:13,420 In order to test this, we are absolutely, of course, going to need a wrecking ball. 413 00:23:13,420 --> 00:23:14,420 Check. 414 00:23:14,420 --> 00:23:16,420 Well, that's a big-ass ball. 415 00:23:16,420 --> 00:23:20,420 We are also going to need a house to swing this wrecking ball into. 416 00:23:27,420 --> 00:23:29,420 So we decided to build our own. 417 00:23:29,420 --> 00:23:31,420 Actually, we built two. 418 00:23:31,420 --> 00:23:34,420 I've always painted some before we destroy it. 419 00:23:35,420 --> 00:23:39,420 There's a very good reason, because what we want to find out is whether Homer would have made any difference 420 00:23:39,420 --> 00:23:41,420 to the wrecking ball's effect on his house. 421 00:23:46,420 --> 00:23:47,420 All right, let's go. 422 00:23:49,420 --> 00:23:51,420 Therefore, that's our control house. 423 00:23:51,420 --> 00:23:53,420 We're going to swing just a straight-all wrecking ball into it. 424 00:23:53,420 --> 00:23:57,420 It's only when we get to this one that we're going to strap Homer to that wrecking ball 425 00:23:57,420 --> 00:24:03,420 and find out if the amount of destruction is actually different, i.e., less on this one. 426 00:24:03,420 --> 00:24:05,420 Now, it's a home worth protecting. 427 00:24:07,420 --> 00:24:09,420 Yeah, perfect. 428 00:24:10,420 --> 00:24:14,420 In the demolition industry, wrecking balls are kind of iconic. 429 00:24:14,420 --> 00:24:16,420 Jamie wire brushes his balls every morning. 430 00:24:18,420 --> 00:24:22,420 But we've come to find out that they don't actually use them that much anymore. 431 00:24:22,420 --> 00:24:24,420 Now it looks like it's all business. 432 00:24:24,420 --> 00:24:27,420 And when you think about it, it's sort of understandable. 433 00:24:27,420 --> 00:24:28,420 There we go. 434 00:24:28,420 --> 00:24:32,420 Because you get thousands of pounds of weight swinging on the end of a cable, 435 00:24:32,420 --> 00:24:35,420 it's not exactly a precision instrument. 436 00:24:36,420 --> 00:24:37,420 You're right on the money. 437 00:24:37,420 --> 00:24:39,420 5,000 pounds is perfect. 438 00:24:39,420 --> 00:24:42,420 Not only that, it's hard on the equipment that swings it. 439 00:24:47,420 --> 00:24:52,420 So we've found that whenever we need a wrecking ball, we make our own. 440 00:24:52,420 --> 00:24:57,420 With their accurately sized and weighted homemade Homer wrecker, 441 00:24:57,420 --> 00:24:59,420 ready to swing into action, 442 00:24:59,420 --> 00:25:01,420 I love having the right hardware. 443 00:25:01,420 --> 00:25:03,420 It's simply a question of lifting it. 444 00:25:04,420 --> 00:25:06,420 I'll hold it up in case it falls. 445 00:25:06,420 --> 00:25:07,420 Awesome. 446 00:25:07,420 --> 00:25:09,420 Pulling it back and letting it go. 447 00:25:09,420 --> 00:25:10,420 Right? 448 00:25:10,420 --> 00:25:12,420 Ray, how do you feel about it? 449 00:25:12,420 --> 00:25:13,420 You like it? 450 00:25:13,420 --> 00:25:14,420 Wrong. 451 00:25:14,420 --> 00:25:18,420 If it goes out too far, it's going to want to bring it over. 452 00:25:18,420 --> 00:25:19,420 You understand? 453 00:25:19,420 --> 00:25:20,420 Right. 454 00:25:20,420 --> 00:25:21,420 So that's an interesting question. 455 00:25:21,420 --> 00:25:25,420 If we pull it back too far and it swings far out, it's going to pull the crane over. 456 00:25:25,420 --> 00:25:28,420 Probably the big question is how far do we pull it back? 457 00:25:28,420 --> 00:25:30,420 To answer that... 458 00:25:30,420 --> 00:25:33,420 I can go 40 foot radius. 459 00:25:33,420 --> 00:25:34,420 Okay. 460 00:25:34,420 --> 00:25:35,420 So let's talk this through. 461 00:25:35,420 --> 00:25:36,420 That's 40. 462 00:25:36,420 --> 00:25:40,420 The guys look into the limits of the crane's live load capacity. 463 00:25:40,420 --> 00:25:44,420 Let's say the ball hangs here and the crane is here in relation to the house. 464 00:25:44,420 --> 00:25:46,420 Discuss the physics involved. 465 00:25:46,420 --> 00:25:48,420 Force equals mass times acceleration. 466 00:25:48,420 --> 00:25:52,420 So once that ball starts to move, it wants to keep going. 467 00:25:52,420 --> 00:25:55,420 No! 468 00:25:55,420 --> 00:25:58,420 And after an hour of tense discussion... 469 00:25:58,420 --> 00:26:01,420 Really, you have no intuition about that whatsoever. 470 00:26:01,420 --> 00:26:03,420 ...come up with a swing distance of... 471 00:26:03,420 --> 00:26:05,420 What if we did 12 feet? 472 00:26:05,420 --> 00:26:11,420 12 feet is significantly less than the freewheeling cartoon capers of Springfield. 473 00:26:11,420 --> 00:26:12,420 Good. 474 00:26:13,420 --> 00:26:17,420 But it's as far as the real world physics allow. 475 00:26:17,420 --> 00:26:18,420 Alright, you like that? 476 00:26:18,420 --> 00:26:20,420 Yeah, I think that's perfect. 477 00:26:20,420 --> 00:26:24,420 And with those parameters in place, the guys set up for the control. 478 00:26:24,420 --> 00:26:26,420 Extending now. 479 00:26:26,420 --> 00:26:32,420 You may be wondering why we're not pulling our wrecking ball back quite as far as you see them doing the Simpsons. 480 00:26:32,420 --> 00:26:34,420 About four feet away. 481 00:26:34,420 --> 00:26:39,420 Well, cranes aren't designed to swing heavy weights around like tether balls. 482 00:26:39,420 --> 00:26:43,420 If they did that in a heartbeat, they could tip the whole crane right over. 483 00:26:43,420 --> 00:26:45,420 Stop. 484 00:26:45,420 --> 00:26:46,420 Stop. 485 00:26:46,420 --> 00:26:47,420 Are you happy with that? 486 00:26:47,420 --> 00:26:48,420 You betcha. 487 00:26:48,420 --> 00:26:50,420 In rigging there are two kinds of loads. 488 00:26:50,420 --> 00:26:51,420 A dead load and a live load. 489 00:26:51,420 --> 00:26:56,420 A live load is one that moves and this load is about as live as it gets. 490 00:26:56,420 --> 00:27:01,420 The repercussions of a miscalculation could be catastrophic. 491 00:27:01,420 --> 00:27:07,420 It's just like destruction and potential. 492 00:27:07,420 --> 00:27:14,420 But the question they're aiming to answer is what kind of hit will the house take without Homer? 493 00:27:14,420 --> 00:27:19,420 This is Simpsons wrecking ball control minus Homer. 494 00:27:19,420 --> 00:27:23,420 In three, two, one, go. 495 00:27:37,420 --> 00:27:40,420 Yeah! 496 00:27:40,420 --> 00:27:42,420 Oh, fabulous. 497 00:27:42,420 --> 00:27:46,420 Second hit. 498 00:27:46,420 --> 00:27:48,420 Oh yeah. 499 00:27:48,420 --> 00:27:51,420 Third hit. Let's go for third hit. 500 00:27:51,420 --> 00:27:56,420 The whole building just is kind of shifting. 501 00:27:56,420 --> 00:28:06,420 Our test showed that a wrecking ball hitting a house like this would severely damage any masonry as well as the framing and the wall of the house. 502 00:28:08,420 --> 00:28:11,420 Just like it did here. 503 00:28:11,420 --> 00:28:17,420 Now the question is, will Homer make any difference if he gets in between that ball and the house? 504 00:28:17,420 --> 00:28:19,420 Honestly, I don't know. 505 00:28:37,420 --> 00:28:42,420 After having played with miniature toilets to our hearts' content, go. 506 00:28:42,420 --> 00:28:50,420 We're going to assemble three real toilets on a platform seven feet off the ground with a real full-scale plumbing system. 507 00:28:50,420 --> 00:28:52,420 Ready to get started and build this thing? 508 00:28:52,420 --> 00:28:53,420 Can you give me a minute? 509 00:28:53,420 --> 00:28:54,420 Sure. 510 00:28:54,420 --> 00:28:59,420 So that we can cherry bomb it all day long and believe me, we will. 511 00:29:01,420 --> 00:29:03,420 Yeah! Come on. 512 00:29:03,420 --> 00:29:06,420 One toilet, two toilets, three toilets. 513 00:29:06,420 --> 00:29:10,420 To recreate the exact same setup as the shop test. 514 00:29:12,420 --> 00:29:16,420 Remember kids, proper care of your toilet requires brushing twice a day. 515 00:29:16,420 --> 00:29:19,420 But as a standard-sized sewage system... 516 00:29:19,420 --> 00:29:24,420 It's almost like Godzilla. 517 00:29:24,420 --> 00:29:27,420 The guys plumb the multiple inputs. 518 00:29:30,420 --> 00:29:32,420 Yes, that's it. 519 00:29:32,420 --> 00:29:37,420 A gas vent and central waste pipe to a seven-foot-high platform. 520 00:29:41,420 --> 00:29:43,420 Maybe we should just back away a little bit. 521 00:29:43,420 --> 00:29:47,420 And up top, Adam finishes with three fully functional toilets. 522 00:29:47,420 --> 00:29:50,420 Hey! That totally worked! 523 00:29:52,420 --> 00:29:58,420 Now, what about the boom that shakes the restroom under strict bomb squad supervision? 524 00:29:58,420 --> 00:30:05,420 The guys are using their own mythbusters made cherry bombs to find out if the fuse will fizzle when wet. 525 00:30:05,420 --> 00:30:10,420 Now, when you hear that Bart throws a cherry bomb into the toilet, let's get to safety, shall we? 526 00:30:10,420 --> 00:30:11,420 Come on. 527 00:30:11,420 --> 00:30:17,420 Your mind might be set to thinking, I wonder if water would actually put out a cherry bomb's fuse? 528 00:30:17,420 --> 00:30:21,420 An excellent question and one I am just about to answer. 529 00:30:21,420 --> 00:30:24,420 Can't get over how much like a cherry they look. 530 00:30:25,420 --> 00:30:27,420 Here we go. It's about to go underwater. 531 00:30:28,420 --> 00:30:31,420 Oh, it's burning underwater. 532 00:30:33,420 --> 00:30:35,420 I don't get it. 533 00:30:35,420 --> 00:30:39,420 So how is it that the fuse on Bart's cherry bomb is able to burn underwater? 534 00:30:39,420 --> 00:30:41,420 Well, to burn something, you need three things. 535 00:30:41,420 --> 00:30:45,420 You need fuel, you need oxygen, and you need a source of ignition. 536 00:30:45,420 --> 00:30:51,420 Now, as it happens, the gunpowder that runs along inside this fuse has everything it needs to burn. 537 00:30:51,420 --> 00:30:54,420 It has its own fuel and its own oxidizer. 538 00:30:54,420 --> 00:30:59,420 So it's quite happy to burn without any kind of exterior source of oxygen. 539 00:30:59,420 --> 00:31:03,420 Every time I learn something new, it pushes some old stuff out of my brain. 540 00:31:04,420 --> 00:31:08,420 Oh! Nice! 541 00:31:09,420 --> 00:31:11,420 That was awesome. 542 00:31:13,420 --> 00:31:19,420 With the fuse firing just fine and the cherry bomb packing a punch, got it. 543 00:31:19,420 --> 00:31:23,420 It's time to fill up and bring the boom. 544 00:31:24,420 --> 00:31:26,420 Okay, that's it. 545 00:31:26,420 --> 00:31:29,420 Our first cherry bomb experiment with the full-size toilet system 546 00:31:29,420 --> 00:31:34,420 is going to replicate the circumstances that we found to be our ideal circumstances in the small scale. 547 00:31:34,420 --> 00:31:39,420 That is, the sewer system clogged with water with the cherry bomb placed under that water. 548 00:31:40,420 --> 00:31:41,420 Right about here. 549 00:31:41,420 --> 00:31:46,420 Now, we're going to be lighting this off with an electric spark via these wires 550 00:31:46,420 --> 00:31:49,420 because that'll allow us to place this exactly where we want 551 00:31:49,420 --> 00:31:53,420 and set it off exactly when we want from a safe distance. 552 00:31:53,420 --> 00:31:55,420 Okay, we're all sealed up. 553 00:31:56,420 --> 00:31:59,420 Setting off explosives in the air as opposed to water is really quite different 554 00:31:59,420 --> 00:32:02,420 and that's because air compresses and water does not. 555 00:32:02,420 --> 00:32:09,420 So if you apply pressure to water, it'll deliver a shock wave directly to whatever it's connected to. 556 00:32:09,420 --> 00:32:11,420 Kind of like a hammer blow. 557 00:32:12,420 --> 00:32:13,420 Are you ready? 558 00:32:13,420 --> 00:32:15,420 I'm ready. High speed's ready. 559 00:32:15,420 --> 00:32:18,420 Now, in our case, that water hammer can become massive. 560 00:32:18,420 --> 00:32:19,420 And three. 561 00:32:19,420 --> 00:32:22,420 And it'll deliver the shock wave through the water, through the plumbing. 562 00:32:22,420 --> 00:32:23,420 Two. 563 00:32:23,420 --> 00:32:25,420 To anything that it's connected to. 564 00:32:25,420 --> 00:32:26,420 One. 565 00:32:43,420 --> 00:32:44,420 That was catastrophic. 566 00:32:50,420 --> 00:32:53,420 Yep, Jamie's hammer theory nailed it. 567 00:32:53,420 --> 00:32:57,420 In contrast to the shop tests, Simpsons like water fountain... 568 00:32:58,420 --> 00:33:01,420 Oh, yes. Hey, this camera's still rolling here. 569 00:33:02,420 --> 00:33:06,420 When faced with the same firepower as a real cherry bomb... 570 00:33:06,420 --> 00:33:08,420 It is a freaking horror show up here. 571 00:33:08,420 --> 00:33:13,420 The standard full-size lavatory fixtures were forced free of their moorings, 572 00:33:13,420 --> 00:33:15,420 leaving the porcelain... 573 00:33:16,420 --> 00:33:19,420 And possibly the myth busted. 574 00:33:19,420 --> 00:33:21,420 Looking carefully at the high-speed footage, 575 00:33:21,420 --> 00:33:24,420 you'll notice that water starts coming out beneath the toilets 576 00:33:24,420 --> 00:33:26,420 at the same time as it starts coming out the bowls. 577 00:33:26,420 --> 00:33:29,420 Now, that means that that water was moving so fast 578 00:33:29,420 --> 00:33:34,420 that the toilet's plumbing was not able to absorb the onrush, 579 00:33:34,420 --> 00:33:37,420 which is why it broke the toilets off their mounts 580 00:33:37,420 --> 00:33:39,420 instead of creating three large geysers. 581 00:33:39,420 --> 00:33:45,420 Arpchery bomb gave us a stunning explosion. 582 00:33:45,420 --> 00:33:51,420 Unfortunately, it also happened to rip all three of our toilets right out of the floor. 583 00:33:55,420 --> 00:33:56,420 That pretty good? 584 00:33:56,420 --> 00:33:57,420 Looks good to me. 585 00:33:57,420 --> 00:34:02,420 So we have gone to the measure of bolting them right to the cast iron flanges 586 00:34:02,420 --> 00:34:03,420 of the plumbing that they are plumbed to, 587 00:34:03,420 --> 00:34:06,420 and that should hold them tight for this test. 588 00:34:07,420 --> 00:34:10,420 After a quick reset up top... 589 00:34:10,420 --> 00:34:12,420 You know, all evidence to the contrary, 590 00:34:12,420 --> 00:34:14,420 I think you and I would make a good pair of plumbers. 591 00:34:16,420 --> 00:34:20,420 This time, they placed the cherry bomb at the lowest possible point of the plumbing. 592 00:34:20,420 --> 00:34:24,420 The geyser hoping the larger volume of water above the explosive 593 00:34:24,420 --> 00:34:29,420 will absorb more energy and give them the mythical gushing geysers. 594 00:34:29,420 --> 00:34:30,420 This is it. 595 00:34:30,420 --> 00:34:32,420 After small-scale and large-scale experiments, 596 00:34:32,420 --> 00:34:34,420 this is the blast we hope will work. 597 00:34:34,420 --> 00:34:36,420 We have changed the position of the bomb. 598 00:34:36,420 --> 00:34:38,420 Hell, we've even bolted them to their own plumbing, 599 00:34:38,420 --> 00:34:40,420 which is totally unrealistic, 600 00:34:40,420 --> 00:34:44,420 but it's what we hope it will take to give us the geysers that we're looking for. 601 00:34:44,420 --> 00:34:45,420 And it's just about to happen. 602 00:34:45,420 --> 00:34:46,420 Are you ready, sir? 603 00:34:46,420 --> 00:34:47,420 I am. 604 00:34:47,420 --> 00:34:48,420 Okay. 605 00:34:48,420 --> 00:34:57,420 Five, four, three, two, one. 606 00:34:57,420 --> 00:34:59,420 Go! 607 00:35:03,420 --> 00:35:06,420 No force can contain the cherry bomb! 608 00:35:12,420 --> 00:35:14,420 What are you gonna do? 609 00:35:16,420 --> 00:35:18,420 Yep, the power was simply too much. 610 00:35:18,420 --> 00:35:23,420 The pressure blast couldn't escape through the narrow plumbing fast enough, 611 00:35:23,420 --> 00:35:25,420 and something had to give. 612 00:35:25,420 --> 00:35:28,420 What we're seeing is that if you have enough energy to push a lot of water 613 00:35:28,420 --> 00:35:32,420 up and out of those toilets using something like our cherry bomb, 614 00:35:32,420 --> 00:35:35,420 that same energy and the shockwave that accompanies it 615 00:35:35,420 --> 00:35:39,420 is also going to break the toilets off at their bases. 616 00:35:39,420 --> 00:35:42,420 They're simply not strong enough to stay in place. 617 00:35:42,420 --> 00:35:46,420 So, as far as I'm concerned, using an explosive, 618 00:35:46,420 --> 00:35:50,420 you're never gonna see the kind of geyser that we saw in the cartoon. 619 00:35:50,420 --> 00:35:53,420 In this house, we obey the laws of thermodynamics! 620 00:35:53,420 --> 00:35:56,420 The cartoons don't reflect reality? 621 00:35:56,420 --> 00:35:58,420 Wow, this is big. 622 00:35:58,420 --> 00:36:00,420 This is...what's the word? Busted. 623 00:36:00,420 --> 00:36:01,420 It's busted. 624 00:36:01,420 --> 00:36:02,420 Yes. 625 00:36:02,420 --> 00:36:04,420 Yeah! 626 00:36:04,420 --> 00:36:08,420 Kicking toilets apart since 1930. 627 00:36:10,420 --> 00:36:12,420 They have some steel-tipped shoes. 628 00:36:13,420 --> 00:36:15,420 With the porcelain pummeled, 629 00:36:17,420 --> 00:36:20,420 Adam and Jamie head back to Homer's house, 630 00:36:20,420 --> 00:36:24,420 where our humble hero awaits his moment of glory. 631 00:36:24,420 --> 00:36:25,420 No! 632 00:36:28,420 --> 00:36:29,420 Hello, friends. 633 00:36:29,420 --> 00:36:31,420 If you're like most people, you probably are sad 634 00:36:31,420 --> 00:36:34,420 that you haven't been able to afford your slice of the American dream, 635 00:36:34,420 --> 00:36:37,420 but now it turns out that you can. 636 00:36:39,420 --> 00:36:42,420 On the outskirts of Springfield, a new development has arisen, 637 00:36:42,420 --> 00:36:44,420 one that provides picture-perfect homes. 638 00:36:44,420 --> 00:36:46,420 If viewed from the right angle, 639 00:36:46,420 --> 00:36:49,420 we've reduced home ownership to its barest essentials. 640 00:36:49,420 --> 00:36:52,420 One wall, one couch, one floor. 641 00:36:52,420 --> 00:36:54,420 Welcome to Shady Acres. 642 00:36:54,420 --> 00:36:56,420 Hey, no attention to the wrecking wall. 643 00:37:05,420 --> 00:37:08,420 Jamie and Adam are chasing a cartoon conundrum. 644 00:37:08,420 --> 00:37:09,420 Oh! 645 00:37:10,420 --> 00:37:11,420 That's his home. 646 00:37:11,420 --> 00:37:13,420 It's a Homer record. 647 00:37:14,420 --> 00:37:19,420 Can our hero's leap of faith dissipate the force of this impact? 648 00:37:23,420 --> 00:37:24,420 Yeah! 649 00:37:24,420 --> 00:37:26,420 You know, it didn't move very fast, 650 00:37:26,420 --> 00:37:29,420 but it had quite a kick to it, didn't it? 651 00:37:29,420 --> 00:37:32,420 I think that's Newton's second wall right there. 652 00:37:34,420 --> 00:37:38,420 Now, we're going to leave all this damage intact as it is. 653 00:37:38,420 --> 00:37:40,420 Ah, couldn't be better. 654 00:37:40,420 --> 00:37:43,420 And go ahead and do the test with Homer on the wrecking ball 655 00:37:43,420 --> 00:37:45,420 with the identical house. 656 00:37:45,420 --> 00:37:48,420 Now that is a proper cartoon wrecking ball. 657 00:37:48,420 --> 00:37:52,420 And if it shows damage anything like this, 658 00:37:53,420 --> 00:37:57,420 we will know that Homer's efforts would have been for naught. 659 00:37:58,420 --> 00:38:00,420 And ta-da! 660 00:38:00,420 --> 00:38:02,420 Allow me to introduce you to the completed, 661 00:38:02,420 --> 00:38:05,420 ready-to-be-tested with hero, 662 00:38:05,420 --> 00:38:08,420 of this episode, Mr. Homer J. Simpson. 663 00:38:08,420 --> 00:38:11,420 Ladies and gentlemen, let's give a round of applause. 664 00:38:13,420 --> 00:38:14,420 Woo-hoo! 665 00:38:14,420 --> 00:38:17,420 Our accurately sized and dressed Homer 666 00:38:17,420 --> 00:38:21,420 is attached to the ball exactly as per the clip. 667 00:38:21,420 --> 00:38:23,420 That's it. First arm is on. Okay. 668 00:38:23,420 --> 00:38:26,420 With a final, crucial component. 669 00:38:26,420 --> 00:38:31,420 Since part of this is what happens with Homer's body mass on the ball, 670 00:38:31,420 --> 00:38:33,420 we need to give it a shot. 671 00:38:33,420 --> 00:38:35,420 With the body mass on the ball, 672 00:38:35,420 --> 00:38:38,420 we need to give him some body mass other than just bump. 673 00:38:38,420 --> 00:38:40,420 We're doing that by adding water. 674 00:38:40,420 --> 00:38:43,420 The average density of a human body 675 00:38:43,420 --> 00:38:45,420 is within a couple of percentage points of water. 676 00:38:45,420 --> 00:38:46,420 Perfect. 677 00:38:46,420 --> 00:38:51,420 So a water-filled Homer is an almost perfect energy absorption analog 678 00:38:51,420 --> 00:38:54,420 for a real person of that size and shape. 679 00:38:54,420 --> 00:38:56,420 Oh, oh! 680 00:38:56,420 --> 00:38:58,420 Homer is substantial. 681 00:38:58,420 --> 00:39:00,420 Our cartoon character is coming to life. 682 00:39:00,420 --> 00:39:04,420 The question is, with a real-life mass of 239 pounds, 683 00:39:04,420 --> 00:39:06,420 can he save his house? 684 00:39:06,420 --> 00:39:08,420 I think we're good to go up. 685 00:39:08,420 --> 00:39:09,420 All right. 686 00:39:09,420 --> 00:39:10,420 It's happening. 687 00:39:13,420 --> 00:39:15,420 We're making sure that we're positioning the ball 688 00:39:15,420 --> 00:39:19,420 exactly the same way that we did the first time. 689 00:39:20,420 --> 00:39:24,420 We'll let it settle, so the physics should all be the same, 690 00:39:24,420 --> 00:39:26,420 except for Homer. 691 00:39:26,420 --> 00:39:29,420 Does it look like his ass is dead center? 692 00:39:29,420 --> 00:39:32,420 He couldn't be more perfectly on the horizon of the lines 693 00:39:32,420 --> 00:39:35,420 of force between the ball and his house. 694 00:39:38,420 --> 00:39:40,420 Look at the potential. 695 00:39:40,420 --> 00:39:42,420 The potential energy. 696 00:39:42,420 --> 00:39:44,420 As per the control, the velocity on impact 697 00:39:44,420 --> 00:39:48,420 may only be a pedestrian six miles an hour. 698 00:39:50,420 --> 00:39:52,420 What are we doing? 699 00:39:52,420 --> 00:39:55,420 But with 5,000 pounds of ball... 700 00:39:55,420 --> 00:39:57,420 Who's paying for this? 701 00:39:57,420 --> 00:39:58,420 This is awesome. 702 00:39:58,420 --> 00:40:01,420 There's a lot of energy to dissipate. 703 00:40:02,420 --> 00:40:04,420 Say goodbye, Homer. 704 00:40:04,420 --> 00:40:08,420 Can our hefty hero really absorb that impact? 705 00:40:08,420 --> 00:40:10,420 All right. Here we go. 706 00:40:10,420 --> 00:40:12,420 Homer versus the wrecking ball. 707 00:40:12,420 --> 00:40:15,420 The final experiment. 708 00:40:15,420 --> 00:40:19,420 Three, two, one. 709 00:40:19,420 --> 00:40:21,420 Here we go! 710 00:40:21,420 --> 00:40:25,420 Oh! Oh! Oh! 711 00:40:25,420 --> 00:40:27,420 Ha-ha-ha-ha! 712 00:40:27,420 --> 00:40:30,420 That's a result that I never would have bet on. 713 00:40:30,420 --> 00:40:31,420 Ha-ha-ha! 714 00:40:31,420 --> 00:40:33,420 He's clearly made a big difference. 715 00:40:33,420 --> 00:40:36,420 Yeah, I mean, look at this house, and look at that one. 716 00:40:36,420 --> 00:40:37,420 Wow! 717 00:40:37,420 --> 00:40:39,420 I'm just saying. 718 00:40:39,420 --> 00:40:42,420 Homer's ass is quite impressive, actually. 719 00:40:51,420 --> 00:40:53,420 It's an astonishing result. 720 00:40:53,420 --> 00:40:56,420 The house didn't escape completely unscathed, 721 00:40:56,420 --> 00:40:58,420 but Homer did help. 722 00:41:00,420 --> 00:41:03,420 He did crack the chimney. 723 00:41:03,420 --> 00:41:06,420 It almost fell, but the fact is that it didn't, 724 00:41:06,420 --> 00:41:07,420 and that's a result. 725 00:41:07,420 --> 00:41:08,420 Yeah. 726 00:41:08,420 --> 00:41:11,420 Well, astonishingly, it turns out Homer did in fact make a difference 727 00:41:11,420 --> 00:41:14,420 by placing himself between the wrecking ball and his house. 728 00:41:14,420 --> 00:41:16,420 He clearly made a heroic effort, 729 00:41:16,420 --> 00:41:18,420 and it had a heroic outcome. 730 00:41:20,420 --> 00:41:23,420 Those cartoonists don't get enough credit for proper engineering. 731 00:41:24,420 --> 00:41:28,420 I am too smart. I am too smart. 732 00:41:28,420 --> 00:41:31,420 S-M-R-T. I mean, S-M-A-R-R-T. 733 00:41:31,420 --> 00:41:33,420 All right, Al. I got some good news. 734 00:41:33,420 --> 00:41:34,420 Woo-hoo! 735 00:41:34,420 --> 00:41:35,420 And some bad news. 736 00:41:35,420 --> 00:41:36,420 Don't! 737 00:41:36,420 --> 00:41:38,420 I'm going to start with the bad news, which is the toilet bomb. 738 00:41:38,420 --> 00:41:42,420 Unfortunately, all we got was total toilet destruction. 739 00:41:42,420 --> 00:41:43,420 It's busted. 740 00:41:43,420 --> 00:41:46,420 Well, you forget that the school is near a nuclear plant. 741 00:41:46,420 --> 00:41:48,420 Nuclear plant run by idiots. 742 00:41:48,420 --> 00:41:50,420 Oh, it's funny, because it's true. 743 00:41:50,420 --> 00:41:52,420 And there could be a nuclear explosion at any moment, 744 00:41:52,420 --> 00:41:56,420 which means that the toilets are ultra-super reinforced, not busted. 745 00:41:56,420 --> 00:41:57,420 Hmm. 746 00:41:57,420 --> 00:41:58,420 I see where you're headed with that. 747 00:41:58,420 --> 00:41:59,420 Good news? 748 00:41:59,420 --> 00:42:01,420 The good news is Homer wrecker. 749 00:42:01,420 --> 00:42:04,420 We are totally amazed by these results, 750 00:42:04,420 --> 00:42:06,420 but the fact is that Homer made a difference 751 00:42:06,420 --> 00:42:09,420 by placing his body between the wrecking ball and his house. 752 00:42:09,420 --> 00:42:12,420 He was successfully able to keep it from being damaged. 753 00:42:12,420 --> 00:42:16,420 So you're saying the show is 100% scientifically accurate. 754 00:42:16,420 --> 00:42:18,420 Sure. 755 00:42:20,420 --> 00:42:22,420 Thank you gentlemen.