Past Futures & Future Pasts

Started by kit saginaw, February 21, 2015, 07:07:41 PM

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kit saginaw

#1
February 26, 2015, 08:09:19 PM
welcome to Ringworld...

http://www.dennisantinori.com/Resources/Ringworld/

held stationary by Dr. Bob Bussard's theoretical 'ramscoop' fusion-propulsion thrusters;

http://www.daviddarling.info/encyclopedia/I/interstellar_ramjet.html
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