This Mysterious Material Moves Around on Your Hand
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Not Everyone Can See Haidinger's Brush—Can You?
10:44
Recreating a Banned Toy from the 1980s
13:01
Crazy Material That You Can Make at Home That Actually Bends Light!
28:32
Six questionably legal pencil sharpeners
8:51
How To Make Fried Water
14:34
Bizarre travelling flame discovery
13:47
What We Did with the Ink from 1,000 Pens
7:30