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Dyson Sphere
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How can a hollow sphere of dark matter increase galactic rotation speeds
Started by Ken HughesBoard Physics, Astronomy & Cosmology |
Replies: 14 Views: 9466 |
01/06/2011 11:41:35 by Ken Hughes |
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Can a water-filled transparent sphere act as a solar collector?
Started by cpu42Board Technology |
Replies: 26 Views: 18758 |
01/07/2008 20:49:14 by cpu42 |
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How do air bubbles in a sphere of floating liquid work in space
Started by Fluid_thinkerBoard Physics, Astronomy & Cosmology |
Replies: 2 Views: 3607 |
09/06/2009 21:29:31 by LeeE |
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What would be the efficiency of a solar cell inside a mirrored sphere?
Started by lee bolgerBoard Physics, Astronomy & Cosmology |
Replies: 2 Views: 3860 |
11/01/2010 18:42:33 by Madidus_Scientia |
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What would be the radius of a sphere made of many smaller identical spheres?
Started by Maniax101Board General Science |
Replies: 5 Views: 6840 |
02/07/2010 11:29:07 by imatfaal |