13 years ago|discuss
user: drkmtr999
4 karma | created 13 years ago
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13 years ago|discuss
13 years ago|discuss
13 years ago|discuss
Carbon nanotube sheets for solar sails for 5.6% of lightspeed
(nextbigfuture.com)
1 pts|13 years ago|discuss
13 years ago|discuss
13 years ago|discuss
13 years ago|discuss
13 years ago|discuss