Let's say you want to start traveling faster than the speed of light. You start from rest and give yourself a little nudge. Because you have mass, your nudge has to overcome a bit of inertia to get you going, but you eventually get going. You light up a rocket, for example, and you blast off.But once you're off the launchpad, you don't stop. You have some superadvanced engine that allows you to keep pushing, causing you to continue accelerating.
The problem here is that energy is mass, as given by E=mc^2. The faster you move, the more kinetic energy you have, which means you are literally heavier the faster you go. As you approach the speed of light, your mass goes to infinity, so it takes an infinite amount of rocket power to make it to the speed of light.But those rules apply to objects with mass starting below the speed of light.
Causality is so fundamental that it underlies everything we understand about the workings of the universe. Put simply, causality states that causes must come before effects. I have to text you before your phone beeps, I have to put a piece of cheese in my mouth before I can eat it, and so on.But tachyons are capable of violating causality. To see how, let's set up a little thought experiment. I'm sitting onwhile you're having some grand adventure out in the universe.
Nonsense click bait, 2023 starting as expected!
They do exist, I have seen them with my eyes closed once while I was meditating, I saw a bunch of bats with my eyes closed and when I opened after about 10 mins I saw them in real so I believe they do exist
The first sentence is already total nonsense, mass cannot be faster than light?😂. Neutrinos have twenty-five millionths of a speed greater than the speed of light
If time travel was real, the present would be littered with future stuff. Self replicating machines would also be everywhere you could look
Cause the past can't be the present
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