Every good nerd knows that E=mc^2. Every great nerd knows that, really, E^2=m^2c^4+p^2c^2 Want to know what that even means? Sure, I’ll tell you, but today I’d like to invite you to an even higher level of nerdom with extra bits to...

As the 19th century came to a close, physicists were feeling pretty satisfied with the state of their science. The great edifice of physical theory seemed complete. A few minor experiments remained to verify everything. Little did those...

This video is chapter 5 in my series on special relativity, and it covers how things that are moving (that is, moving relative to an inertial reference frame) at different speeds appear to be shorter in length... and longer in...

The previous videos in this series:

Chapter 1: Why Relativity is
Hard
Chapter 2: Spacetime
Diagrams
Chapter 3: Lorentz T

ransformations

This video is chapter 4 in my series on special relativity, and it...

The previous videos in this series:

Chapter 1: Why Relativity is
Hard
Chapter 2: Spacetime

Diagrams

This video is chapter 3 in my series on special relativity, and it covers boosts, galilean transformations,...