ZappyCatPrime's channel

Why do some years have an extra leap day and what is it for?

Also check out MinutePhysics' video: http://www.youtube.com/watc... & SciS...

Soothing waves accompany a beautiful song (directly from the Master and Commander audio)

Kermit the Frog, Miss Piggy and director James Bobin talk at a press conference in London for The Muppets after the film's UK premiere. The film ma...

Jeffery and Julian make amends.

Seattle | September 02, 2000

JEMS Archive.

Huge thanks to Chrisedge and Butterking.

00:48 - Needle In The Hay

05:00 - Bled White

08:13 - Stupi...

The basic physics behind how rockets work! (plus a special announcement)

Perimeter Institute: http://www.pitp.ca

VomitPhysics video: http://www.y...

One of my favourite things about the Star Trek franchise are all the great ambient sounds that represent the engine noise on the various ships. My ...

Katie, Anna, Andrew and myself performing The Chain by Ingrid Michaelson. We don't own this shit.

Yeah, amusing myself. Polyhedral googly goodness, fractal googly eyes...

Credit to Minli, my Khan Academy partner-in-crime, for the cube pun!