1:33:48

These Knives Weren’t Meant To Exist

1:09:10

Amazing Inventions That Are On Another Level | Best Of Year Compilation !

11:31

Darker Than Vantablack—Absorbs 99.9923% of Light

30:28

One in A Billion Moments in Nature | Best Of Month #64

10:04

Cats forget to think.

20:40

Mini Giant Marble Clock that tells the time using marbles - Still too big

53:20

Making purple gold

14:46

China's slaughterbots show WW3 would kill us all.