February 19, 2013, 10:58 AM — Catching up on another science video blogger - this week, Michael aka "Vsauce" posted this video, in which he discusses why two people's perceptions of the color red are quite unique, and why it's impossible to describe what pain feels like to an alien.
Also, sign-language apes who don't ask questions! Just watch and learn and be curious:
[Science Tuesday #1: What is the Universe? and The case for Comic Sans]
After watching these videos, sometimes I need to just sit in a dark room and go "Whoa." I wonder if this is what Keanu Reeves felt when he learned about the Matrix.
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.
Watch some more cool videos:
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Walter Cronkite predicts 21st century tech in 1967
Mash-up gold: Ghostbusters meets Mario Brothers
Is this a touch-screen Chromebook?
Stan Lee has a different ending for Star Wars
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