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As far as we know, it's not possible for a person to move at twice the speed of light. In fact, it's not possible for any object with the kind of mass you or I have to move faster than the speed of light.
However, for certain strange particles, traveling at twice the speed of light might be possible – and it might send those particles back in time.
One of our best physical theories at the moment is the theory of relativity, developed by Albert Einstein. According to this theory, the speed of light operates as a universal speed limit on anything with mass.
Specifically, relativity tells us that nothing with mass can accelerate past the speed of light.
www.sciencealert.com
However, for certain strange particles, traveling at twice the speed of light might be possible – and it might send those particles back in time.
One of our best physical theories at the moment is the theory of relativity, developed by Albert Einstein. According to this theory, the speed of light operates as a universal speed limit on anything with mass.
Specifically, relativity tells us that nothing with mass can accelerate past the speed of light.
What Would Happen if Someone Moved at Twice The Speed of Light?
As far as we know, it's not possible for a person to move at twice the speed of light.
www.sciencealert.com
