Wednesday July 30 2014
Illusions
Learn some of the science behind optical illusions.


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Good

Thank you. These videos teach so much about life and science, I'm glad I found you I must say.

WOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

WOW!!!!!!!!!!!!!!!!!THAT IS SO COOL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Jalen

im confused

Why?

Why?

jenaj

wow wow wow wow

hay

im in school and my teacher made my username brevard so dont think
im an idiot kk?

pencils

thank you for the data, it is very helpful for my understandings now

Wow

Wow

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