Let's think about Lightning - Smarter Every Day 15
http://twitter.com/#!/SmarterYoutube Have you ever thought about lightning and Thunder? If not, you should start! You can do science in your own front yard if you'll just take a minute...
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[Music] [Rainfall and thunder] Hey it's me, Destin. So I'm gonna explain why thunder sounds the way it does. And uh, we're in the middle of a thunderstorm here, obviously, so I'm going to try to make this quick. So basically, if you're standing on the ground here, and let's say there's lightning that happens way up in the sky, really far away from you. So what happens is, as soon as it breaks the sound barrier, that sound wave starts traveling towards your body. But also, the speed of the electricity of the lightning bolt is a lot faster than sound, so that... Oh wow, that's going to be a big one. At least I could see it. So also, that lightning bolt... [Thunder] outruns the sound. So the sound is simultaneously initiated ...
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[Music] [Rainfall and thunder] Hey it's me, Destin. So I'm gonna explain why thunder sounds the way it does. And uh, we're in the middle of a thunderstorm here, obviously, so I'm going to try to make this quick. So basically, if you're standing on the ground here, and let's say there's lightning that happens way up in the sky, really far away from you. So what happens is, as soon as it breaks the sound barrier, that sound wave starts traveling towards your body. But also, the speed of the electricity of the lightning bolt is a lot faster than sound, so that... Oh wow, that's going to be a big one. At least I could see it. So also, that lightning bolt... [Thunder] outruns the sound. So the sound is simultaneously initiated ...
