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Old 05-31-2016, 08:48 PM   #6
patchwork
 
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Join Date: Oct 2011
Default Re: Good ways to limit space travel?

Radiation. Assume that radiation shielding was just good enough to make travel between A and B possible, if spectacularly ill-advised, and recent improvements in materials science finally allow shielding good enough to send a manned expedition to C (and make travel between A and B safe enough for the non-deranged or professionally obligated). Failing that, you can define your drive system to be something like 2300AD's stutterwarp: a maximum range of 7.7 ly before it has to discharge accumulated radiation into a gravity well. If it fails to do that, it crisps everyone and everything involved. Maybe the drive only now became efficient enough to operate that long without irradiating the crew and electronics?
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