Cave Paintings and the 10,000 Year Clock
7:44
How This Clock Will Last for The Next 10,000 Years
10:29
Nanotechnology Takes Off | KQED QUEST
27:03
The Art of John Edmark | Talk by Paul Dancstep | Exploratorium
6:46
How To Build A 10,000-Year Clock | Answers With Joe
5:32
Sound Restoration | Science in the City | Exploratorium
8:53
The World's Most Powerful Microscope - KQED QUEST
3:18
The Long Now Foundation's 10,000 Year Clock
36:51