The idea of the tachyon particle first gained traction in the early 1900s, when Albert Einstein theorized that a particle that could travel faster than the speed of light could exist. When Gerald Feinberg, a physicist, named the term 1967, it wasn’t invented. While we don’t know these particles exist, new reports believe tachyon particles could have time travel components.
The idea was posed in a new article featured in Discover Magazine. To break things down, the speed of light is the fastest speed that we know. Nothing that we know of is faster than light. Light has no mass, so it doesn’t gain size as it speeds up. Objects with mass, on the other hand, gain mass when they speed up, making it difficult for them to keep up with the speed of light.
How does this translate into tachyon particles with time travel elements? In theory, however, tachyon particle travels faster than light speed. As such, these particles have to achieve a constant speed somehow. They would soon fall below the speed limit. This is where time travel comes in.
Tachyon particles could travel at speeds faster than light speed, so they might send messages beyond the time limit. So, you could send a message back in time before you even thought to send it. It’s a stretch of a theory, but the big question is whether we can prove that tachyon particles have a time travel component.
This might prove difficult because we have to first figure out why tachyon particles move faster than light speed. We also need to determine if you can travel backwards in time. Scientists think wormholes could allow time travel, but proving such a thing will take years of research and exploration.
Let’s suppose that we can somehow time travel. In that case, we’d still need to determine whether paradox-free time travel was possible.
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