DUCT TAPE SHIELDS vs DANGEROUS WEAPONS!
23:03
What if we made a camera that sees in reverse?
18:26
BEST Duct Tape Survival Weapon WINS!
9:51
How Far Can a Paper Airplane Fly if You Add a Motor? How Do Planes Really Fly?
43:56
Making aerogel
27:53
Beat Neymar, Win $500,000
33:45
Why It Was Almost Impossible to Make the Blue LED
17:01
We built Shields and Tested with DANGEROUS Apocalypse Weapons!
18:43