Skipping Stones on Water
9:53
How This Guy Became The Best Rock Skipper On The Planet | Obsessed | WIRED
5:40
Square and Triangular Skipping Rocks
4:40
Optical illusions - Brain tricks
11:47
Why It's Almost Impossible to Skip a Stone 89 Times | WIRED
2:59
Impossible Balloons
15:38
CÂMERA TÉRMICA pega PUM? Nós testamos!
4:39
The mysterious isochronous curve
3:23