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Posted by Kimberley on April 16, 1999 18:36:32 UTC

: One could nullify gravity with particles that possess negative mass. Such particles are predicted by String Theory. They are called tachyons. Actually, to be more precise they possess negative mass squared, but that should not matter. The real problem though is that such particles travel faster than the speed of light, like the virtual gravitons discussed earlier in this forum. If you could detect them and then capture them in sufficient quantity, then you could nullify gravity with an anti-gravity vest.

Yes, I've heard of tachyon particles. Isn't it true that as they lose energy they speed up, and as they gain energy they slow down and approach the speed of light? Do you know where I could go to learn more about String Theory? Any help would be much appreciated.

Thanks,

Mav

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