Curious Kids: what would happen if someone moved at twice the speed of light? - The Conversation

There’s a special type of particle called a ‘tachyon’ which would have to travel faster than the speed of light. But here’s the hitch – we can’t prove tachyons even exist.

Im curious about what will happen if, hypothetically, someone moves with speed (that is) twice the speed of light? Devanshi, age 13, Mumbai Hi Devanshi! Thanks for this great question. As far as we… [+4175 chars]

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