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Physicists Turn Pull Into Push

Posted by samzenpus on from the push-me-pull-you dept.

sciencehabit writes "It's textbook physics: An electric charge near the surface of a material gets pulled toward the surface. However, if the charge is spread out into the right shape and moves fast enough, that attraction becomes a repulsion, one physicist calculates. The odd finding could help physicists avoid unexpected effects when guiding beams of particles such as electrons."

1 of 60 comments (clear)

  1. Repulsion Engines Online by lawnboy5-O · · Score: 3, Interesting

    Make it so!