f theoretical anti-particles called tachyons, which would normally move faster than light, and could only be slowed-down by adding energy to them, while it takes more energy to speed-up normal particles. Anything that could exceed the speed of light would appear to be traveling backward in time. So, if the Mobile Infantry spaceships somehow used tachyons and went beyond the speed of light they would, theoretically, arrive at Klendathu long before they'd left for it! Thus, fighting a war one year after their high school graduation is highly improbable.
             Furthermore, if the bugs were going to laun
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