Relativity 5a - twin paradox
Channel: ViaScience
Date: 2011-07-06

In videos Relativity 1 & 2 we developed the theory needed to analyze the celebrated "Twin Paradox" which shows how the dilation factor (beta) we needed to introduce predicts that someone who makes a spaceflight will age more slowly than someone who stays on Earth.

Relativity 1: http://youtu.be/OI9iLDnoLSM
Relativity 2: http://youtu.be/4t7-1OzTdbY

Relativity playlist: http://www.youtube.com/playlist?list=PLF56602BAC693237E