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Time machines?
| there's those things based on einstein relativity but you need infinite mass/energy nor negative energy.
| timetravel_0 had a totally legit time machine! you can try building it and tell us if it works! :) :O
| watch primer
| Well if you're interested in the science of time travel and stuff there's the PBS Space-time channel to watch(or if you're genuinely interested in physics i sincerely reccomend starting from elementary physics instead of going into the super complex stuff like quantum mechanics,helps build a strong foundation and love for the subject)
| Way I see it, there ain't no difference between a flying saucer and a time machine. People get so hung up on specifics, they miss out on seeing the whole thing.
| supposedly just go beyond light speed
| >>704033
nop the theory is close to light travel and light travel makes you travel to the future.
But if you ever to manage to go faster you go into the past
| >>704086
Well this theory, restraint relativity, was made using the fact that you can't go faster than light. Thou general relativity can admit past time travel form of spacetime. But you need infinite energy
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| What would be the most realistic way to build a time machine In theory? Resources needed, the science and cost.