Optical Flat
18:05
Light sucking flames look like magic
18:06
Reading Optical Flats Part 1
14:38
Russian Optical Flat Testing
46:24
How are holograms possible?
25:22
The Fastest Maze-Solving Competition On Earth
27:18
Optical Interferometry Part 1: Introduction & ZYGO GPI layout
19:13
Cutting mirrors with Diamonds
31:15