How could traveling the speed of light lead us to time travel?
In a question, someone answered that if we were able to travel the speed of light, then we could somehow achieve time travel. How would this happen?
Also, how could we make time travel possible? Is there some formula to it? I think time travel is a really awesome concept, and I want to learn more about it.
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Tagged as: awesome concept · speed of light · time travel
SpaceTime is the 4th Dimension
The faster you travel through it the faster time passes by.
Curving spacetime causes time to slow down
Earths mass effecting spacetime causing a curve
http://upload.wikimedia.org/wikipedia/commons/2/22/Spacetime_curvature.png
But in reality it is 4D so the curve is more like this:
http://img506.imageshack.us/img506/5015/spacetimelu3.jpg
The time in empty space travels faster than time on Earth due to Earth causing a curve in spacetime
Its like this the curve means more space for something to travel across ie time where as a smooth spacetime takes less space for something to travel across like someone running across a valley while another runs across a flat surface.
Traveling faster is like running faster than someone else you will get to the finish line before them ie travel faster in space youll be in the future before the time you would if you went slower.