tuft471
@tuft471
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The Elegant Universe - 52
16 years ago
The Elegant Universe - 4
16 years ago
The Elegant Universe -3
16 years ago
The Elegant Universe - Einstein's Relativity2
16 years ago
Elegant Universe pt.1
16 years ago
Gas Hydrates
16 years ago
The Search for Ultimate Energy 1
16 years ago
Ice Bomb - Free Science Videos and Lectures
16 years ago
total lunar eclipse
16 years ago
0000022239-eclipe004-024
16 years ago
Carl Sagan 4th Dimension Explanation
16 years ago
Neutron Star Fromation, Black Hole Formation
16 years ago
Carl Sagan on Drake Equation
16 years ago
String Theory to M-Theory
16 years ago
String Theory - (2 Minutes)
16 years ago
0000023183-apollo004-024
16 years ago
0000022274-lava00001-024
16 years ago