25:06

Chocolate kitchen knife that kills bacteria

15:58

Process of making Ink sticks. Japanese ink stick that has been produced for 1400 years.

13:25

Barn Find Antique Piano Restoration

21:39

sharpest milk kitchen knife in the world

10:14

Amazing Science Toys/Gadgets 1

4:33

Wintergatan - Marble Machine (music instrument using 2000 marbles)

7:08

Primitive Technology: Lime

17:24

I Made a Terrarium For a STUNNING Praying Mantis, Here’s How!