[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:19.63,0:00:24.46,Default,,0000,0000,0000,,What is the best kind of cheese\Nto use to catch a bear? Dialogue: 0,0:00:25.75,0:00:27.64,Default,,0000,0000,0000,,Someone knows over here? Dialogue: 0,0:00:28.10,0:00:30.89,Default,,0000,0000,0000,,Obviously, the answer is "come here bear." Dialogue: 0,0:00:30.89,0:00:32.04,Default,,0000,0000,0000,,Camembert! Dialogue: 0,0:00:32.05,0:00:33.17,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:00:33.17,0:00:34.38,Default,,0000,0000,0000,,Camembert! Dialogue: 0,0:00:34.39,0:00:35.56,Default,,0000,0000,0000,,(Applause) Dialogue: 0,0:00:37.14,0:00:38.48,Default,,0000,0000,0000,,Thank you. Dialogue: 0,0:00:39.46,0:00:42.83,Default,,0000,0000,0000,,I have a head full of cheese puns, Dialogue: 0,0:00:42.83,0:00:46.54,Default,,0000,0000,0000,,but I was told I had to keep it 'brie'-f. Dialogue: 0,0:00:46.55,0:00:47.80,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:00:48.72,0:00:51.52,Default,,0000,0000,0000,,What did the piece of cheese say Dialogue: 0,0:00:51.52,0:00:54.41,Default,,0000,0000,0000,,when it looked into the mirror? Dialogue: 0,0:00:57.42,0:01:00.85,Default,,0000,0000,0000,,No. It said, "Halloumi." Dialogue: 0,0:01:00.85,0:01:02.26,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:01:02.26,0:01:03.74,Default,,0000,0000,0000,,Hello me! Dialogue: 0,0:01:04.38,0:01:08.54,Default,,0000,0000,0000,,What can I say guys? I love a good pun. Dialogue: 0,0:01:09.85,0:01:12.74,Default,,0000,0000,0000,,Why? Dialogue: 0,0:01:13.21,0:01:14.67,Default,,0000,0000,0000,,I don't know; Dialogue: 0,0:01:14.67,0:01:17.26,Default,,0000,0000,0000,,because puns are funny, right? Dialogue: 0,0:01:18.49,0:01:19.58,Default,,0000,0000,0000,,Why? Dialogue: 0,0:01:19.58,0:01:22.76,Default,,0000,0000,0000,,Well, because there is\Na bit of a surprise factor. Dialogue: 0,0:01:22.76,0:01:26.45,Default,,0000,0000,0000,,You feel outsmarted for a second\Nuntil you get the double meaning. Dialogue: 0,0:01:27.21,0:01:28.35,Default,,0000,0000,0000,,Why? Dialogue: 0,0:01:29.32,0:01:32.14,Default,,0000,0000,0000,,Because that's the way language works. Dialogue: 0,0:01:34.35,0:01:37.21,Default,,0000,0000,0000,,OK. I get what these slides are doing. Dialogue: 0,0:01:37.21,0:01:40.66,Default,,0000,0000,0000,,They're playing the why game Dialogue: 0,0:01:40.66,0:01:43.95,Default,,0000,0000,0000,,where you keep asking,\N"Why, why, but why?" Dialogue: 0,0:01:43.95,0:01:45.69,Default,,0000,0000,0000,,after everything someone says. Dialogue: 0,0:01:45.69,0:01:47.72,Default,,0000,0000,0000,,Kids do it all of the time Dialogue: 0,0:01:48.65,0:01:53.19,Default,,0000,0000,0000,,and adults should do it more often. Dialogue: 0,0:01:53.19,0:01:55.12,Default,,0000,0000,0000,,I'm just kidding. Don't. It's annoying. Dialogue: 0,0:01:55.12,0:01:56.57,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:01:58.27,0:02:02.38,Default,,0000,0000,0000,,You can ask why, over, and over,\Nand over again for ever, Dialogue: 0,0:02:02.38,0:02:05.39,Default,,0000,0000,0000,,even if one day, we explain Dialogue: 0,0:02:05.39,0:02:07.60,Default,,0000,0000,0000,,every physical interaction,\Nand scientific law, Dialogue: 0,0:02:07.60,0:02:12.68,Default,,0000,0000,0000,,and hope, and dream, and regret\Nwith a single elegant equation. Dialogue: 0,0:02:12.68,0:02:17.41,Default,,0000,0000,0000,,You could still ask,\N"Why? Why that equation? Dialogue: 0,0:02:17.41,0:02:22.06,Default,,0000,0000,0000,,Why doesn't the universe operate\Nwith some different equation?" Dialogue: 0,0:02:22.06,0:02:27.26,Default,,0000,0000,0000,,So, yes; the why game\Nis irritating, it's annoying, Dialogue: 0,0:02:27.26,0:02:29.06,Default,,0000,0000,0000,,and it's what I do for a living. Dialogue: 0,0:02:30.60,0:02:32.84,Default,,0000,0000,0000,,Every week, for the past few years, Dialogue: 0,0:02:32.84,0:02:37.69,Default,,0000,0000,0000,,I have researched a big question,\Na funny why question. Dialogue: 0,0:02:37.71,0:02:40.72,Default,,0000,0000,0000,,I've researched the science's,\Nthe mathematics’s recent theories Dialogue: 0,0:02:40.84,0:02:43.23,Default,,0000,0000,0000,,behind all kinds of things. Dialogue: 0,0:02:43.25,0:02:47.52,Default,,0000,0000,0000,,I do this on my YouTube channel: Vsauce. Dialogue: 0,0:02:47.52,0:02:51.54,Default,,0000,0000,0000,,So, Vsauce, in the last couple\Nof years, has grown phenomenally. Dialogue: 0,0:02:51.54,0:02:53.28,Default,,0000,0000,0000,,It's hard to believe. Dialogue: 0,0:02:53.28,0:02:57.44,Default,,0000,0000,0000,,I'm now doing more than 30 million views\Nevery single month, Dialogue: 0,0:02:57.44,0:02:59.66,Default,,0000,0000,0000,,with five and a half subscribers Dialogue: 0,0:02:59.66,0:03:03.30,Default,,0000,0000,0000,,growing more\Nthan 10,000 new subscribers every day. Dialogue: 0,0:03:04.44,0:03:06.89,Default,,0000,0000,0000,,It's awesome. I love it. Dialogue: 0,0:03:06.89,0:03:10.48,Default,,0000,0000,0000,,I get to ask\Nsome pretty ridiculous questions. Dialogue: 0,0:03:10.49,0:03:13.58,Default,,0000,0000,0000,,For instance, "Is anything real?" Dialogue: 0,0:03:14.13,0:03:17.94,Default,,0000,0000,0000,,Come on! How can you possible answer that? Dialogue: 0,0:03:17.94,0:03:19.56,Default,,0000,0000,0000,,Well, that's not really the point. Dialogue: 0,0:03:19.56,0:03:22.18,Default,,0000,0000,0000,,The point is to bring people in\Nwith a great question, Dialogue: 0,0:03:22.18,0:03:24.77,Default,,0000,0000,0000,,make them curious, and once they're there, Dialogue: 0,0:03:24.77,0:03:28.77,Default,,0000,0000,0000,,accidentally teach them a whole bunch\Nof things about the universe. Dialogue: 0,0:03:28.78,0:03:30.49,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:03:30.50,0:03:34.60,Default,,0000,0000,0000,,Some examples\Nof other questions I've asked: Dialogue: 0,0:03:36.93,0:03:39.27,Default,,0000,0000,0000,,how much does a shadow weigh? Dialogue: 0,0:03:40.15,0:03:43.68,Default,,0000,0000,0000,,What does it mean to ask\Na question like that, "What us a shadow?" Dialogue: 0,0:03:46.43,0:03:48.35,Default,,0000,0000,0000,,What color is a mirror? Dialogue: 0,0:03:49.25,0:03:51.64,Default,,0000,0000,0000,,In answering this question,\Nyou could explain a lot Dialogue: 0,0:03:51.76,0:03:55.22,Default,,0000,0000,0000,,about specular reflection,\Nthe physics of light. Dialogue: 0,0:03:55.22,0:03:59.23,Default,,0000,0000,0000,,This is one of my favorites,\N"Why are things creepy? Dialogue: 0,0:03:59.23,0:04:00.40,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:04:02.26,0:04:06.27,Default,,0000,0000,0000,,I often go into psychology\N- that's more where my background is in - Dialogue: 0,0:04:06.27,0:04:12.18,Default,,0000,0000,0000,,but a question I have yet to answer,\N- hopefully, someone out there knows - Dialogue: 0,0:04:12.18,0:04:15.66,Default,,0000,0000,0000,,please tell me\Nwhy is this called your 'bottom' Dialogue: 0,0:04:15.66,0:04:17.86,Default,,0000,0000,0000,,if it's technically\Nin the middle of your body? Dialogue: 0,0:04:17.98,0:04:19.17,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:04:19.17,0:04:20.30,Default,,0000,0000,0000,,It's ridiculous. Dialogue: 0,0:04:20.30,0:04:22.02,Default,,0000,0000,0000,,But it's a really good question. Dialogue: 0,0:04:22.02,0:04:26.42,Default,,0000,0000,0000,,I ask questions all of the time,\Nbut today, this is my question. Dialogue: 0,0:04:28.08,0:04:30.06,Default,,0000,0000,0000,,Why do we ask questions? Dialogue: 0,0:04:31.10,0:04:32.90,Default,,0000,0000,0000,,Seriously. I mean, what's the point? Dialogue: 0,0:04:32.90,0:04:36.58,Default,,0000,0000,0000,,Who cares why things are creepy?\NThey just are. Dialogue: 0,0:04:36.58,0:04:39.43,Default,,0000,0000,0000,,Who cares why this is called my bottom? Dialogue: 0,0:04:39.43,0:04:41.10,Default,,0000,0000,0000,,It's gross, don't do that anymore. Dialogue: 0,0:04:45.05,0:04:46.24,Default,,0000,0000,0000,,Questions. Dialogue: 0,0:04:47.38,0:04:52.86,Default,,0000,0000,0000,,How do I get people\Nto care about these questions? Dialogue: 0,0:04:52.86,0:04:56.34,Default,,0000,0000,0000,,Especially people who think\Nthat learning is boring. Dialogue: 0,0:04:57.02,0:05:03.47,Default,,0000,0000,0000,,I like to believe that the limits\Nof what you can be interested in Dialogue: 0,0:05:03.47,0:05:05.35,Default,,0000,0000,0000,,are unlimited. Dialogue: 0,0:05:05.35,0:05:06.57,Default,,0000,0000,0000,,And this is my story. Dialogue: 0,0:05:07.72,0:05:10.80,Default,,0000,0000,0000,,I began making YouTube videos\Nabout six years ago, Dialogue: 0,0:05:10.80,0:05:14.38,Default,,0000,0000,0000,,but only recently did I start\Nmaking explanatory videos. Dialogue: 0,0:05:14.38,0:05:16.21,Default,,0000,0000,0000,,I've no idea what took me so long. Dialogue: 0,0:05:16.21,0:05:19.30,Default,,0000,0000,0000,,I have been explaining things\Nmy entire life. Dialogue: 0,0:05:19.30,0:05:24.02,Default,,0000,0000,0000,,Except, usually, I did it alone, out loud. Dialogue: 0,0:05:24.02,0:05:27.62,Default,,0000,0000,0000,,I talk to myself\Nwhen I'm alone; all the time. Dialogue: 0,0:05:27.62,0:05:30.51,Default,,0000,0000,0000,,If you snuck up on me\Nwhen I didn't think anyone was around, Dialogue: 0,0:05:30.52,0:05:34.86,Default,,0000,0000,0000,,you would overhear me explaining\Nthe most mundane stuff. Dialogue: 0,0:05:34.86,0:05:37.38,Default,,0000,0000,0000,,It's kind of weird, maybe. Dialogue: 0,0:05:38.82,0:05:42.38,Default,,0000,0000,0000,,OK, it's really weird,\Nbut for me, it is a great way, Dialogue: 0,0:05:42.38,0:05:46.78,Default,,0000,0000,0000,,for me to know that I kind of know\Nmore what I'm talking about Dialogue: 0,0:05:46.78,0:05:49.33,Default,,0000,0000,0000,,if I can verbally explain it. Dialogue: 0,0:05:51.24,0:05:52.72,Default,,0000,0000,0000,,As Albert Einstein said, Dialogue: 0,0:05:52.72,0:05:57.55,Default,,0000,0000,0000,,"If you can't explain it simply,\Nyou don't understand it well enough." Dialogue: 0,0:05:57.55,0:06:02.45,Default,,0000,0000,0000,,When I was a teenager, I discovered\Na competitive speaking program Dialogue: 0,0:06:02.45,0:06:04.78,Default,,0000,0000,0000,,and one of the events\Nwas informative speaking, Dialogue: 0,0:06:04.78,0:06:09.02,Default,,0000,0000,0000,,where you literally got to write a speech\Nexplaining something to judges, Dialogue: 0,0:06:09.02,0:06:12.59,Default,,0000,0000,0000,,and then you were given points and medals\Nif you were good enough. Dialogue: 0,0:06:12.59,0:06:18.06,Default,,0000,0000,0000,,My very first informative speech ever\Nwas about ketchup: Dialogue: 0,0:06:20.02,0:06:23.45,Default,,0000,0000,0000,,the history of ketchup.\Nthe etymology of the name, Dialogue: 0,0:06:23.45,0:06:27.33,Default,,0000,0000,0000,,its legal status, the physics\Nof its viscosity, and how it flowed. Dialogue: 0,0:06:27.33,0:06:30.60,Default,,0000,0000,0000,,It was super nerdy stuff. Dialogue: 0,0:06:30.60,0:06:35.94,Default,,0000,0000,0000,,But at my very, very first\Npublic speaking tournament Dialogue: 0,0:06:35.94,0:06:38.58,Default,,0000,0000,0000,,I took first place. Dialogue: 0,0:06:38.58,0:06:39.71,Default,,0000,0000,0000,,Hey! Dialogue: 0,0:06:39.72,0:06:41.53,Default,,0000,0000,0000,,(Applause) Dialogue: 0,0:06:41.53,0:06:42.66,Default,,0000,0000,0000,,Look at that guy. Dialogue: 0,0:06:42.66,0:06:44.25,Default,,0000,0000,0000,,(Applause) Dialogue: 0,0:06:45.84,0:06:50.17,Default,,0000,0000,0000,,Some of the hair here moved down here,\Nbut other than that, Dialogue: 0,0:06:50.17,0:06:51.85,Default,,0000,0000,0000,,I'm the same guy. Dialogue: 0,0:06:51.85,0:06:54.07,Default,,0000,0000,0000,,Seriously, I'm still doing the same thing. Dialogue: 0,0:06:56.43,0:06:59.89,Default,,0000,0000,0000,,To be at that tournament and to see\Nthe expression on someone's face Dialogue: 0,0:07:00.75,0:07:06.07,Default,,0000,0000,0000,,when they suddenly understand\Nand are fascinated by something, Dialogue: 0,0:07:06.08,0:07:08.43,Default,,0000,0000,0000,,in the same way that you are Dialogue: 0,0:07:09.51,0:07:10.94,Default,,0000,0000,0000,,is a phenomenal feeling. Dialogue: 0,0:07:10.94,0:07:12.82,Default,,0000,0000,0000,,I've learned two things from this: Dialogue: 0,0:07:12.82,0:07:16.09,Default,,0000,0000,0000,,first of all, people love\Na good explanation. Dialogue: 0,0:07:16.09,0:07:17.63,Default,,0000,0000,0000,,They hunt them down. Dialogue: 0,0:07:17.63,0:07:21.86,Default,,0000,0000,0000,,Even people who say they hate learning,\Nand hate books, and all that stuff, Dialogue: 0,0:07:21.88,0:07:24.06,Default,,0000,0000,0000,,pff, they love explanations. Dialogue: 0,0:07:24.06,0:07:26.96,Default,,0000,0000,0000,,Second of all, if you look closely enough Dialogue: 0,0:07:27.90,0:07:29.90,Default,,0000,0000,0000,,and you take the time, Dialogue: 0,0:07:29.90,0:07:33.81,Default,,0000,0000,0000,,anything can be interesting to anyone Dialogue: 0,0:07:33.81,0:07:37.32,Default,,0000,0000,0000,,because everything is related\Nin some way to something they care about. Dialogue: 0,0:07:38.88,0:07:40.60,Default,,0000,0000,0000,,Richard Feynman called Dialogue: 0,0:07:40.60,0:07:45.98,Default,,0000,0000,0000,,"the pleasure of finding things out"\Na "kick in the discovery." Dialogue: 0,0:07:45.98,0:07:49.69,Default,,0000,0000,0000,,And I agree, but I think\Nthere might be a little bit more to that. Dialogue: 0,0:07:49.69,0:07:51.68,Default,,0000,0000,0000,,Let's get rid of this picture of me. Dialogue: 0,0:07:51.68,0:07:56.49,Default,,0000,0000,0000,,We want to express ourselves, Dialogue: 0,0:07:56.50,0:07:58.36,Default,,0000,0000,0000,,everyone wants to express themselves. Dialogue: 0,0:07:58.36,0:08:01.76,Default,,0000,0000,0000,,They do it through the music\Nthey listen to, the clothing they wear, Dialogue: 0,0:08:01.76,0:08:06.18,Default,,0000,0000,0000,,the way they act,\Nbut they also do it with knowledge. Dialogue: 0,0:08:06.18,0:08:09.26,Default,,0000,0000,0000,,The things they know\Nabout the stuff they like, Dialogue: 0,0:08:09.26,0:08:11.93,Default,,0000,0000,0000,,Their interests, their hobbies. Dialogue: 0,0:08:11.93,0:08:14.73,Default,,0000,0000,0000,,I've noticed\Nthat the most operative motive Dialogue: 0,0:08:14.73,0:08:19.98,Default,,0000,0000,0000,,behind someone sharing one of my videos,\Npromoting me by word of mouth, Dialogue: 0,0:08:19.98,0:08:24.34,Default,,0000,0000,0000,,isn't so much about me\Nas it is about them. Dialogue: 0,0:08:24.35,0:08:28.64,Default,,0000,0000,0000,,"Hey! Look what I found!", "I like this." Dialogue: 0,0:08:28.64,0:08:31.29,Default,,0000,0000,0000,,"I am like this." Dialogue: 0,0:08:33.42,0:08:36.90,Default,,0000,0000,0000,,Whenever you share a video,\Nwhenever you share anything, Dialogue: 0,0:08:36.90,0:08:40.18,Default,,0000,0000,0000,,a few of the attributes\Nof that thing reflect back onto you. Dialogue: 0,0:08:41.61,0:08:46.52,Default,,0000,0000,0000,,I've found that one of the best ways\Nto gain attentive listeners Dialogue: 0,0:08:47.84,0:08:52.52,Default,,0000,0000,0000,,is not to be who you think\Nyour audience wants you to be, Dialogue: 0,0:08:52.52,0:08:56.18,Default,,0000,0000,0000,,but instead, to say,\Nand make, and show things Dialogue: 0,0:08:56.19,0:09:01.63,Default,,0000,0000,0000,,that allow your audience or your students\Nto be who they want to be. Dialogue: 0,0:09:05.56,0:09:08.20,Default,,0000,0000,0000,,I once discussed in a video, Dialogue: 0,0:09:09.79,0:09:11.84,Default,,0000,0000,0000,,"Why the sky is blue?" Dialogue: 0,0:09:14.37,0:09:18.75,Default,,0000,0000,0000,,And backstage, when I was going through\Nwhat I want to to talk about, Dialogue: 0,0:09:18.76,0:09:20.14,Default,,0000,0000,0000,,I ran into this girl. Dialogue: 0,0:09:20.14,0:09:23.36,Default,,0000,0000,0000,,This seriously actually happened\Nbackstage, go find her. Dialogue: 0,0:09:23.36,0:09:26.00,Default,,0000,0000,0000,,I said, "Do you know why the sky is blue?" Dialogue: 0,0:09:27.16,0:09:31.49,Default,,0000,0000,0000,,She said, "I think I used to know,\Nbut it didn't really mattered." Dialogue: 0,0:09:31.49,0:09:33.51,Default,,0000,0000,0000,,Exactly. Exactly. Dialogue: 0,0:09:33.51,0:09:35.59,Default,,0000,0000,0000,,And I knew\Nthat was going to be a problem. Dialogue: 0,0:09:35.59,0:09:37.23,Default,,0000,0000,0000,,It turns out that the sky is blue Dialogue: 0,0:09:37.23,0:09:40.70,Default,,0000,0000,0000,,because of the way light\Nscatters in our atmosphere. Dialogue: 0,0:09:40.70,0:09:42.61,Default,,0000,0000,0000,,It's called Rayleigh scattering. Dialogue: 0,0:09:42.63,0:09:47.44,Default,,0000,0000,0000,,A light of shorter wave lengths\Nscatters more, Dialogue: 0,0:09:47.45,0:09:49.17,Default,,0000,0000,0000,,so, greens, blues, and violets. Dialogue: 0,0:09:49.17,0:09:51.76,Default,,0000,0000,0000,,That's why when you look at the sky\Naway from the Sun, Dialogue: 0,0:09:51.76,0:09:53.100,Default,,0000,0000,0000,,you see this beautiful sky blue; Dialogue: 0,0:09:54.00,0:09:56.49,Default,,0000,0000,0000,,it's all of those shorter\Nwave lengths combining. Dialogue: 0,0:09:56.49,0:09:59.82,Default,,0000,0000,0000,,When you look directly at the Sun\N- which you shouldn't do very often; Dialogue: 0,0:09:59.82,0:10:01.20,Default,,0000,0000,0000,,don't do it ever - Dialogue: 0,0:10:01.21,0:10:05.46,Default,,0000,0000,0000,,you see the longer wave lengths\Nwhich are surviving that scattering. Dialogue: 0,0:10:05.46,0:10:08.93,Default,,0000,0000,0000,,That's why the Sun looks yellow\Nduring the day. Dialogue: 0,0:10:08.93,0:10:12.42,Default,,0000,0000,0000,,Of course, when the Sun's light\Nneeds to travel through a whole lot of air Dialogue: 0,0:10:12.54,0:10:13.77,Default,,0000,0000,0000,,to get into your eyeball, Dialogue: 0,0:10:13.77,0:10:15.83,Default,,0000,0000,0000,,a lot of scattering occurs, Dialogue: 0,0:10:15.83,0:10:19.25,Default,,0000,0000,0000,,and only really, really long wave lengths\Nmake it all the way there Dialogue: 0,0:10:19.28,0:10:20.49,Default,,0000,0000,0000,,directly from the Sun, Dialogue: 0,0:10:20.49,0:10:24.79,Default,,0000,0000,0000,,which is why it looks orange,\Nor sometimes red at sunrise or sunset. Dialogue: 0,0:10:25.56,0:10:29.37,Default,,0000,0000,0000,,I think that's really cool,\Nbut obviously, some people Dialogue: 0,0:10:29.38,0:10:32.33,Default,,0000,0000,0000,,- including someone\Nbackstage right now -, don't. Dialogue: 0,0:10:32.34,0:10:35.81,Default,,0000,0000,0000,,Or maybe they already know it, Dialogue: 0,0:10:35.81,0:10:39.26,Default,,0000,0000,0000,,or could probably figure out\Nif they thought about it. Dialogue: 0,0:10:39.26,0:10:40.58,Default,,0000,0000,0000,,So what do you do? Dialogue: 0,0:10:40.58,0:10:43.60,Default,,0000,0000,0000,,I'm trying to collect\Nthe largest audience possible that I can, Dialogue: 0,0:10:43.60,0:10:47.44,Default,,0000,0000,0000,,I want to appeal to and attract\Nas many people as possible. Dialogue: 0,0:10:48.38,0:10:52.22,Default,,0000,0000,0000,,So what I do is\NI camp out with the subject. Dialogue: 0,0:10:52.22,0:10:54.47,Default,,0000,0000,0000,,In this case, Rayleigh scattering. Dialogue: 0,0:10:54.47,0:10:57.42,Default,,0000,0000,0000,,I've learned as much about it as I can. Dialogue: 0,0:10:57.42,0:10:59.70,Default,,0000,0000,0000,,What else is it responsible for? Dialogue: 0,0:10:59.70,0:11:04.50,Default,,0000,0000,0000,,Who is it named after? Who did he love? Dialogue: 0,0:11:04.50,0:11:07.41,Default,,0000,0000,0000,,Whatever I can find\Nthat could become a great hook Dialogue: 0,0:11:07.41,0:11:10.57,Default,,0000,0000,0000,,to bring in just the right person. Dialogue: 0,0:11:10.57,0:11:13.58,Default,,0000,0000,0000,,So, in this case, I've read\Nabout Rayleigh scattering, Dialogue: 0,0:11:13.58,0:11:17.06,Default,,0000,0000,0000,,and I realized--\NI didn't realize, I learned, Dialogue: 0,0:11:18.27,0:11:23.43,Default,,0000,0000,0000,,that blue eyes are blue\Nfor the exact same reason. Dialogue: 0,0:11:24.70,0:11:27.86,Default,,0000,0000,0000,,Blue eyes do not have\Nblue pigment in them. Dialogue: 0,0:11:27.86,0:11:29.76,Default,,0000,0000,0000,,Ouch! That would hurt if that was real. Dialogue: 0,0:11:31.48,0:11:33.54,Default,,0000,0000,0000,,Blue eyes don't have blue pigment in them Dialogue: 0,0:11:33.54,0:11:36.51,Default,,0000,0000,0000,,any more than the air\Nhas blue pigment in it. Dialogue: 0,0:11:37.26,0:11:42.15,Default,,0000,0000,0000,,If you were to rip out my iris,\NI would be like, "Ouch!" but then Dialogue: 0,0:11:42.16,0:11:43.46,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:11:43.46,0:11:47.30,Default,,0000,0000,0000,,if you grounded it up into a fine powder,\Nit wouldn't be blue anymore Dialogue: 0,0:11:47.30,0:11:51.09,Default,,0000,0000,0000,,it would be\Na dull brownish-blackish color. Dialogue: 0,0:11:51.10,0:11:54.08,Default,,0000,0000,0000,,Instead, blue eyes are blue\Nbecause at a microscopic level, Dialogue: 0,0:11:54.08,0:11:56.36,Default,,0000,0000,0000,,their texture scatters light Dialogue: 0,0:11:56.36,0:12:00.59,Default,,0000,0000,0000,,just like the air in our atmosphere\Nscatters the Sun's light Dialogue: 0,0:12:00.59,0:12:02.21,Default,,0000,0000,0000,,to make the sky blue. Dialogue: 0,0:12:03.02,0:12:05.80,Default,,0000,0000,0000,,Maybe you already know\Nwhy the sky is blue, Dialogue: 0,0:12:05.81,0:12:07.30,Default,,0000,0000,0000,,maybe you don't care, Dialogue: 0,0:12:07.30,0:12:09.97,Default,,0000,0000,0000,,but maybe you will be fascinated\Nby something like this. Dialogue: 0,0:12:09.97,0:12:12.81,Default,,0000,0000,0000,,This is why my episodes often seem\Nto go all over the place. Dialogue: 0,0:12:12.81,0:12:16.16,Default,,0000,0000,0000,,It's not just because I'm crazy\Nit's also because I want to have Dialogue: 0,0:12:16.16,0:12:18.01,Default,,0000,0000,0000,,as many hooks out as possible Dialogue: 0,0:12:18.01,0:12:20.85,Default,,0000,0000,0000,,to catch as many people\Nand to make them interested. Dialogue: 0,0:12:21.31,0:12:23.64,Default,,0000,0000,0000,,I once did a video about rainbows. Dialogue: 0,0:12:24.34,0:12:27.12,Default,,0000,0000,0000,,I thought, "Some people\Nmight think rainbows are lame." Dialogue: 0,0:12:27.12,0:12:30.49,Default,,0000,0000,0000,,I'll teach about rainbows. Dialogue: 0,0:12:30.49,0:12:33.60,Default,,0000,0000,0000,,What other types of bows are there? Dialogue: 0,0:12:34.29,0:12:37.97,Default,,0000,0000,0000,,Well, like when a string, like a knot... Dialogue: 0,0:12:37.97,0:12:40.50,Default,,0000,0000,0000,,Is a bow a knot? Dialogue: 0,0:12:40.50,0:12:44.58,Default,,0000,0000,0000,,Why do headphones\Nalways get tied up into knots? Dialogue: 0,0:12:45.19,0:12:48.34,Default,,0000,0000,0000,,I researched the mathematics\Nbehind this; it's fascinating. Dialogue: 0,0:12:48.34,0:12:49.93,Default,,0000,0000,0000,,([Laughter) Dialogue: 0,0:12:51.40,0:12:53.20,Default,,0000,0000,0000,,I'll spare you all of the details; Dialogue: 0,0:12:53.21,0:12:55.69,Default,,0000,0000,0000,,also, this will allow you\Nto go check out my videos Dialogue: 0,0:12:55.69,0:12:58.04,Default,,0000,0000,0000,,and give me many, many views\Nrather than just one. Dialogue: 0,0:12:59.29,0:13:05.25,Default,,0000,0000,0000,,In the 1950s, Harold Edgerton\Ntook a series of amazing pictures Dialogue: 0,0:13:05.25,0:13:07.02,Default,,0000,0000,0000,,of nuclear explosions. Dialogue: 0,0:13:07.02,0:13:08.87,Default,,0000,0000,0000,,This is a detonation Dialogue: 0,0:13:08.87,0:13:10.80,Default,,0000,0000,0000,,just milliseconds after happening, Dialogue: 0,0:13:10.80,0:13:14.50,Default,,0000,0000,0000,,with an exposure time\Nof one billionth of a second. Dialogue: 0,0:13:15.29,0:13:18.77,Default,,0000,0000,0000,,You can see the energy\Nof this plasma ball, Dialogue: 0,0:13:18.78,0:13:22.60,Default,,0000,0000,0000,,the energy of the explosion is vaporizing\Nthe metal wires holding up the tower. Dialogue: 0,0:13:22.60,0:13:25.58,Default,,0000,0000,0000,,That's where these glowing,\Nspindly legs come form. Dialogue: 0,0:13:26.22,0:13:31.96,Default,,0000,0000,0000,,His work attracted wider and new interest\Nto physical phenomenon Dialogue: 0,0:13:31.96,0:13:33.81,Default,,0000,0000,0000,,simply because he featured something Dialogue: 0,0:13:33.82,0:13:36.82,Default,,0000,0000,0000,,that people couldn't help\Nbut want to look at. Dialogue: 0,0:13:37.52,0:13:39.71,Default,,0000,0000,0000,,A moment you couldn't witness alone. Dialogue: 0,0:13:40.36,0:13:43.71,Default,,0000,0000,0000,,He famously said, "The trick to education Dialogue: 0,0:13:45.13,0:13:47.55,Default,,0000,0000,0000,,is to teach in such a way Dialogue: 0,0:13:47.55,0:13:51.25,Default,,0000,0000,0000,,that people only find out\Nthey're learning when it's too late." Dialogue: 0,0:13:51.25,0:13:52.72,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:13:52.72,0:13:54.04,Default,,0000,0000,0000,,It works for me. Dialogue: 0,0:13:54.04,0:13:56.78,Default,,0000,0000,0000,,So recently, I took on\Nthe most difficult question ever, Dialogue: 0,0:13:56.78,0:13:58.80,Default,,0000,0000,0000,,but also the most requested, Dialogue: 0,0:13:58.80,0:14:05.13,Default,,0000,0000,0000,,"How do I know that the colors\NI see are the same to you? Dialogue: 0,0:14:06.05,0:14:09.14,Default,,0000,0000,0000,,How do I know\Nthat when I look at something red, Dialogue: 0,0:14:09.14,0:14:12.23,Default,,0000,0000,0000,,you don't look at the same thing\Nand see what I would call green, Dialogue: 0,0:14:12.24,0:14:15.11,Default,,0000,0000,0000,,but you call it red because that's\Nwhat you've always heard, Dialogue: 0,0:14:15.12,0:14:17.37,Default,,0000,0000,0000,,and we both agree,\Nand go on our separate lives Dialogue: 0,0:14:17.38,0:14:20.54,Default,,0000,0000,0000,,never knowing just how different\Nour perceptions were. Dialogue: 0,0:14:22.32,0:14:25.55,Default,,0000,0000,0000,,There's no such thing\Nas a stupid question, Dialogue: 0,0:14:25.56,0:14:28.06,Default,,0000,0000,0000,,but there are questions\Nthat makes us feel stupid. Dialogue: 0,0:14:28.06,0:14:29.55,Default,,0000,0000,0000,,This is one of them Dialogue: 0,0:14:29.55,0:14:33.90,Default,,0000,0000,0000,,because there is no way for me\Nto crawl inside someone else's mind Dialogue: 0,0:14:33.90,0:14:36.76,Default,,0000,0000,0000,,to see the world as they see it. Dialogue: 0,0:14:36.76,0:14:39.23,Default,,0000,0000,0000,,I thought that might be\Nfrustrating to my viewers, Dialogue: 0,0:14:39.23,0:14:41.12,Default,,0000,0000,0000,,that there really wasn't a good answer. Dialogue: 0,0:14:41.13,0:14:43.05,Default,,0000,0000,0000,,I couldn't finish this once and for all. Dialogue: 0,0:14:43.05,0:14:47.22,Default,,0000,0000,0000,,So I started looking\Nmore generally into questions. Dialogue: 0,0:14:47.22,0:14:49.93,Default,,0000,0000,0000,,And the more I read\Nabout them, and their history, Dialogue: 0,0:14:49.93,0:14:55.45,Default,,0000,0000,0000,,the more I realized that questions\Nmight be quite unique to humans. Dialogue: 0,0:14:57.29,0:15:02.25,Default,,0000,0000,0000,,Apes that have been taught to use\Nsign language can communicate with us. Dialogue: 0,0:15:03.49,0:15:07.17,Default,,0000,0000,0000,,They can answer complex questions, Dialogue: 0,0:15:07.17,0:15:10.71,Default,,0000,0000,0000,,they can convey novel thoughts,\Nand they can express their emotions, Dialogue: 0,0:15:10.71,0:15:13.76,Default,,0000,0000,0000,,but an ape who knows sign language Dialogue: 0,0:15:13.76,0:15:18.93,Default,,0000,0000,0000,,has never been observed to ask a question. Dialogue: 0,0:15:21.98,0:15:26.38,Default,,0000,0000,0000,,Soliciting information from an organism\Nbelies this assumption Dialogue: 0,0:15:26.38,0:15:30.62,Default,,0000,0000,0000,,that other organisms, in some way,\Nhave access to information that you don't; Dialogue: 0,0:15:30.62,0:15:33.90,Default,,0000,0000,0000,,that they have different,\Nunique intentions or desires. Dialogue: 0,0:15:33.90,0:15:35.70,Default,,0000,0000,0000,,It's often called the Theory of Mind, Dialogue: 0,0:15:35.70,0:15:39.65,Default,,0000,0000,0000,,and it is incredibly difficult to show\Nthat animals have such a thing. Dialogue: 0,0:15:40.92,0:15:43.61,Default,,0000,0000,0000,,But of course,\Nwe intuitively feel that we do. Dialogue: 0,0:15:43.61,0:15:45.66,Default,,0000,0000,0000,,Chimpanzees are clever, Dialogue: 0,0:15:45.66,0:15:50.88,Default,,0000,0000,0000,,but they fail a pretty simple,\Nseeming test - deciding who to go to Dialogue: 0,0:15:50.88,0:15:54.12,Default,,0000,0000,0000,,to get food that's been hiding in a room: Dialogue: 0,0:15:54.12,0:15:58.73,Default,,0000,0000,0000,,a person who was literally in the room\Nand saw where the food was hidden, Dialogue: 0,0:15:58.73,0:16:01.23,Default,,0000,0000,0000,,or a person who was also in the room, Dialogue: 0,0:16:01.23,0:16:03.78,Default,,0000,0000,0000,,but has had a bucket\Non their head all day. Dialogue: 0,0:16:06.04,0:16:12.26,Default,,0000,0000,0000,,Whether or not animals have the capacity\Nto ask questions is still being debated. Dialogue: 0,0:16:13.43,0:16:19.54,Default,,0000,0000,0000,,But after reading all of this, I realized\Nthat questions are very special. Dialogue: 0,0:16:20.59,0:16:24.08,Default,,0000,0000,0000,,We ask them because it's fun. Dialogue: 0,0:16:24.08,0:16:27.15,Default,,0000,0000,0000,,Learning things is a fun experience, Dialogue: 0,0:16:27.16,0:16:30.18,Default,,0000,0000,0000,,it's what Feynman called,\N"a kick in the discovery." Dialogue: 0,0:16:30.18,0:16:31.45,Default,,0000,0000,0000,,We also ask questions Dialogue: 0,0:16:31.45,0:16:34.98,Default,,0000,0000,0000,,because learning things allows us\Nto explore what we like Dialogue: 0,0:16:35.73,0:16:39.11,Default,,0000,0000,0000,,and to show off what we know about it,\Nto show what we are. Dialogue: 0,0:16:39.11,0:16:43.97,Default,,0000,0000,0000,,But we also ask questions because we can; Dialogue: 0,0:16:43.97,0:16:48.86,Default,,0000,0000,0000,,because perhaps uniquely here on Earth,\Nwe know that other people can help. Dialogue: 0,0:16:50.10,0:16:53.82,Default,,0000,0000,0000,,And that's a great reason\Nto ask more and more questions, Dialogue: 0,0:16:53.82,0:16:57.50,Default,,0000,0000,0000,,to celebrate more and more whys. Dialogue: 0,0:16:58.43,0:17:00.59,Default,,0000,0000,0000,,We all want to be "kicked\Nin the discovery," Dialogue: 0,0:17:00.59,0:17:04.33,Default,,0000,0000,0000,,it feels great, but we don't all have\Na discovery in the same place. Dialogue: 0,0:17:04.33,0:17:07.50,Default,,0000,0000,0000,,Taking the time to find\Nwhere someone's discovery is Dialogue: 0,0:17:07.51,0:17:09.45,Default,,0000,0000,0000,,so you can give them a kick there Dialogue: 0,0:17:09.46,0:17:15.57,Default,,0000,0000,0000,,isn't just about whys,\Nit's also a very wise thing to do. Dialogue: 0,0:17:16.38,0:17:18.06,Default,,0000,0000,0000,,And as always, thanks for watching. Dialogue: 0,0:17:18.06,0:17:19.42,Default,,0000,0000,0000,,(Applause)