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Categories
Artificial Intelligence (1561)
Astrophysics (67)
Cryonics (62)
 Extraterrestrial Life (135)
Nanotechnology (265)
Quantum Teleportation (6)
 Space (1859)
Time Travel (17)
Transhumanism (66)
Web Pages
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  Dyson Spheres - http://users.rcn.com/jasp.javanet/dyson/index.html
Some sketches of dyson spheres.
  Time Travel Message Board - http://www.network54.com/Hide/Forum/thread?forumid=185348&messageid=1015003839
Discuss the philosophical and physical ramifications of time travel, paradoxes, parallel universes, and related topics.
  Ultimate Biospheres - http://www.seds.org/archive/nodes/NODEv4n3-10.html
An explanation of the concept of the Dyson sphere.

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