Einstein said we can't travel faster than light, whatever vision and calculation he's been having at his time. Not much of a calculator myself, but I have a couple of fun theories that contradicts his theory. Light tend to bend and reflect every time it hit something such as water or blackhole. Doesn't that mean light can become into a full stop? Then wouldn't that make us simply walk faster than light?
Another theory : if universe is an exploded thing and we're still in the middle of the explosion, then other side of the center of explosion from us is probably flying away incredibly fast. And maybe from the perspective from that other side from us, we are already traveling faster than the light? Which explains why night sky isn't glowing with colors or completely white for how many stars are filling in the universe, even with the eye of Hubble scope. Maybe dim lights and Dark Matter isn't the only reasons why night sky is so dark. Maybe some lights simply can't reach us because they are raying backward from us.
It would be pretty interesting if we do technologically travel faster than light. Imagine traveling with a space ship that can travel about an hour ahead of the light with a telescope accurate enough to see somebody waving a hand on the surface of Earth from that far away. You can probably see yourself of an hour ago for light is delivering that image of yourself to you an hour late.
I can't quite figure out how that ship would appear in middle of this though. Comparison to sonic wave when an airplane that's flying faster than sound, that ship would appear as a flash of light with the light it was emitting. And it would just vanish into blackness from the point where it left off. But how would it appear in between those two? Would the ship appear as if it is stretched from Earth to it's destination? Or just the view of back of the ship as light left behind drifting in a halt? I think it would be latter. And if the ship left the projection of light that is holding still, you'll have to be at exactly one spot to see the glimpse of the back of the ship, or the ship would just disappear like some screen visual trick show.
It'll be really shame if there are existence of friendly alien lifeforms but traveling faster than light turn out to be not possible. Because light really is a very slow thing in the perspective of our Galaxy. It takes about 100,000 years for light to travel one side of our Galaxy to the other side. We can hope there are other friendly life containing places within these hundreds of billions of stars. But if not and need to go to another Galaxy? We might as well send a civilization on an Ark to the trip and tell them to come back soon as they reached another Galaxy. It'll be easily billions of years by the time they're back and both native and Ark civilizations would be completely alien by then.
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