27:52

Overlay soldered Ring

15:00

Basic Solder Joints- Making a Container

15:54

Rolling Mill Texture

8:02

Silver Trees! Just a short pouring Session

9:04

We Invented The Best Hash Brown Ever

19:11

1973: How Does a CAMERA Work? | Science Session | Retro Tech | BBC Archive

58:04

It's Rocket Science! with Professor Chris Bishop

28:25

Making a Vulcanized Rubber Mold