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The Speed of Light
In Our Time
The Importance of Tachyon's
We've said up till now that nothing can go faster than the speed of light. But if you're a mathematician, you'll be aware of complex numbers which have got real parts and imaginary parts. And these tachyon's maybe do not have a real mass but have an imaginary mass. Tachyon's are things that give out energy as they speed up in contrast to real mass where you work really hard to make something speed up. So you've got this whole possible category, kind of in another space of particles called tachyon’s who go faster thanThe speed of light has been hugely exciting for physicists over the last few years. The people who pursued it have done
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