Wednesday, January 26, 2011

Some hard things are easy if explained well

Proof of the Pythagorean theorem:

Dark matter:

Chemical reactions, fire, and photosynthesis:

How trains stay on their tracks and go through turns:

And just for fun, the broken window fallacy:


Anonymous Extrafarian said...

The Laffer Curve to "La donna รจ mobile" in 1:44.

10:15 PM  
Anonymous nick said...

How the wheel slippage problem Feynman explained for trains is solved in cars, namely the differential gear, using motorcycle acrobats and Tinkertoys. Longer but worth it.

11:12 AM  
Blogger Julien Couvreur said...

I like this one, which explains how differential gear works.

2:35 PM  

Post a Comment

Links to this post:

Create a Link

<< Home