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Originally Posted by 3 Justin 3
Does anyone else think that man will someday achieve light speed?
Personally I believe we will, but the math doesn't exist (like when Newton invented Calculus) yet to build something that could achieve such speeds.
As well, something I am pondering (which is essentially impossible) is if we were to somehow create nuclear fusion like the sun, then build something to harness that energy. It is essentially impossible because you need 15,000,000K (plus pressure) to achieve such a feat. We haven't been able to do proper nuclear fusion yet (as our input energy always exceeds our output energy so it isn't continuous like the Sun).
Hopefully one day NASA does send a satellite to get close enough to the Sun so we can study it in greater detail. Pretty sure they'll never create a "mini-sun" though. If they ever did, we found free energy.
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The problem is this, great , you build your super duper light mobile 3000, and decide to take it for its maiden voyage to our nearest major galaxy Andromeda. You power it up to full speed, and you get there in what you perceive as minutes, days maybe a couple years. However, when you show up you will be millions or billions of years in the future and humans likely cease to exist, and for all you know the universe is collapsing or perhaps in the midst the big rip, and your atoms are being torn apart electron by electron.
I don't understand the exact math or physics behind how time dilation works, but it essentially renders near light or faster than light travel useless for any practical purpose. Ultimately traversing the stars will likely involve wormholes, or some type of warp drive to counteract the time dilation effect. I would say we are still likely thousands of years away.