Physicists Turn Pull Into Push

...keep your velocity higher than 80% or so of c. If your velocity drops below the velocity of light in the repelling surface, the Cherenkov radiation goes away, there's no more repulsion, and you land on the surface cruising at.5c or so. Hope the tires on your landing gear are properly inflated.

Actually, now that I think about it, you'd probably get plenty of backup lift from the relativistic plasma formerly constituting the repulsive surface and the bottom of your vehicle. I withdraw my objection.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/sbebn3wjaHs/story01.htm

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