Steve Jackson Games Forums - [Spaceships] Your preferences regarding plausible/playable Reactionless Drives

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Anthony

03-07-2011 07:20 PM

Re: [Spaceships] Your preferences regarding plausible/playable Reactionless Drives

Actually, ramscoops that hang around soon-to-go-supernova stars might have some uses.

teviet

03-07-2011 09:25 PM

Re: [Spaceships] Your preferences regarding plausible/playable Reactionless Drives

Quote:

Originally Posted by Anthony (Post 1134732)

General relativity forbids perfect stiffness. The maximally stiff medium discussed above is the maximum permitted by GR.

Also follows from special relativity. Speed of a wave generally goes as sqrt(stiffness/density), so maximally stiff means that waves travel at lightspeed.

The EM field is of course a maximally stiff medium. Solid materials are far from maximally stiff: their densities are much too high.

TeV

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