Kyrgizion , 7 months ago Asimov wrestled with that one. Eventually he settled on a link to an alternative universe and syphoning energy from there, since that was arguably the least convoluted idea he could come up with for the problem.
Asimov wrestled with that one. Eventually he settled on a link to an alternative universe and syphoning energy from there, since that was arguably the least convoluted idea he could come up with for the problem.