yego.me
💡 Stop wasting time. Read Youtube instead of watch. Download Chrome Extension

Let's think about Lightning - Smarter Every Day 15


2m read
·Nov 3, 2024

[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 from all points along the lightning bolt, at the same time. So what happens is you get some cracks that happen before other cracks and you get this low rumble. So you might get... [Thunder] a really low rumble, like that.

So what happens is, if the lightning bolt is really really really far away from you, then all the sound might make it to you at the same time. But sometimes you get this long drawn out thunder rumble, and that's because the sound is coming to you at different points from along the bolt. It has to do with the distance of the lightning bolt, your position and the sound.

So there you go. I know that's not in-depth at all, but I'm in the middle of a thunderstorm. But I hope you're smarter every day and you at least get to think about it. Have a good one. [Thunder]

[Music] ...Good at this, so... I'll show you.

Watch his head stay totally stationary as I move his body. I can move his body in pretty much any direction. Captioning in different languages welcome. Please contact Destin if you can help.

More Articles

View All
Linear equations with unknown coefficients | Mathematics I | High School Math | Khan Academy
So we have an equation. It says ( ax + 3x = bx + 5 ). And what I want to do together is to solve for ( x ). If we solve for ( x ), it’s going to be in terms of ( a ), ( b ), and other numbers. So pause the video and see if you can do that. All right, no…
Michael Burry: 5 Life Lessons That Made Him Rich (UCLA Speech)
A key life lesson that I learned in my early 20s is that the best way to get better at something is to learn from those who’ve already successfully achieved what you’re trying to do. This made me realize that to be a better investor, I needed to turn off …
A Reckoning in Tulsa | Podcast | Overheard at National Geographic
[Music] So I want you to close your eyes and imagine it’s a sunny morning in early May 1921. You’re in Tulsa, Oklahoma, in the bustling all-black Greenwood section of town. A dapper mustachioed man pulls up in front of the Stratford Hotel in a shiny Model…
2015 AP Calculus BC 2a | AP Calculus BC solved exams | AP Calculus BC | Khan Academy
At time ( T ) is greater than or equal to zero, a particle moving along a curve in the XY plane has position ( X(T) ) and ( Y(T) ). So, its x-coordinate is given by the parametric function ( X(T) ) and y-coordinate by the parametric function ( Y(T) ). Wi…
Writing equations for relationships between quantities | 6th grade | Khan Academy
We’re told Ahmad is going to walk 20 kilometers for a charity fundraiser. In the first part of this question, they say to write an equation that represents how many hours ( t ) the walk will take if Ahmad walks at a constant rate of ( r ) kilometers per h…
Mohenjo Daro 101 | National Geographic
[Music] The ancient city of Mohenjo-Daro is one of the first urban centers in human history. Nestled in southern Pakistan’s Indus River Valley, Mohenjo-Daro is the largest and best-preserved city of the Indus civilization, the earliest known civilization …