How far is a second?
 
The moon may be 1.3 light-seconds away, but why on earth do we measure distances using time?
 
Channel: MinutePhysics
7590 Views |

Recent Video
Why Isn
1515 Views    
How to See Without Glasses
2427 Views    
Why is the Solar System Flat?
8241 Views    
blog comments powered by Disqus