This episode of Crash Course Physics is supported by Prudential. Go to www.raceforretirement.com to learn how, if you start saving today, you can continue to enjoy the things you love tomorrow.
So we've all heard of relativity, right? But... what is relativity? And how does it relate to light? And motion? In this episode of Crash Course Physics, Shini talks to us about perspective, observation, and how relativity is REALLY weird!
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