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Answered 2011-12-08 06:14:10

Nothing physical is believed to be able to travel twice the speed of light.

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The speed of light is always fixed at 299792458 m/s. Forget your question. There is nothing faster than the speed of light.


A man can't travel at the speed of light.A man can't travel at the speed of light.A man can't travel at the speed of light.A man can't travel at the speed of light.


There is no way to travel at the speed of light.


The speed of light in water is less than the speed of light in space. Only light can travel at the speed of light.


No. Nothing with mass can travel at the speed of light.


It seems to be impossible to travel faster than the speed of light (in a vacuum).It seems to be impossible to travel faster than the speed of light (in a vacuum).It seems to be impossible to travel faster than the speed of light (in a vacuum).It seems to be impossible to travel faster than the speed of light (in a vacuum).


There is currently no commercial airliner which can travel at that speed.


the speed of lightspeed of light


You don't. The only objects that can travel at the speed of light are those that ONLY travel at that speed, like photons or gravitons.


Yes, a photon may travel at the speed of light. If it had mass, at the speed of light, its mass would be infinite. This is impossible, so photons travel at the speed of light and have no mass.


Any massless "thing" like a photon and MAYBE a neutrino. NOTHING with mass can travel at the speed of light. Photons travel at the speed of light. The entire electromagnetic spectrum travels at the speed of light.


All electromagnetic waves travel at the speed of light.


Engines cannot travel at light speed. The only thing that can travel at this speed is the Photon, the particle of light.


According to Einstein's theories we cannot travel at the speed of light, only close to it. There are many theories on how we can travel near (or beyond) the speed of light.


No. Nothing can travel faster than the speed of light.


Probably not in five lifetimes! Light speed travel is a work of fiction, like in sci fi movies. No human will ever travel at the speed of light.


Gamma rays travel exactly the speed of light because gamma rays are light


No. All colors travel at the same speed. It is called "the speed of light".


No. By travelling FASTER than the speed of light, this might in theory let you travel back in time. However, it seems likely that neither travelling faster than the speed of light nor time travel is possible. Also note that a human being cannot travel at the speed of light; with a super-spaceship, we might in theory approach this speed, but not quite reach it. Only particles with "zero rest mass" (such as photons or gravitons) can travel at the speed of light (and, in a vacuum, they can ONLY travel at the speed of light).


You can't travel at the speed of light. It might be possible, in theory, to approach it, but not quite to reach it.


The only way to travel at the speed of light is to not have any mass.


In empty space, an electromagnetic wave can only travel at one speed - the speed of light.In empty space, an electromagnetic wave can only travel at one speed - the speed of light.In empty space, an electromagnetic wave can only travel at one speed - the speed of light.In empty space, an electromagnetic wave can only travel at one speed - the speed of light.


Light is an electromagnetic wave and all electromagnetic waves travel at the speed of light. All massless particles travel at the speed of light too.


It is not possible for any object with any mass to travel at the speed of light. It is possible to travel at 99.9999999999999999999999999999999999999% the speed of light, you could even travel at "99.9 followed by a trillion trillion 9s"% of the speed of light but never quite 100%.According to our current mathematical theories, for an object with any mass to travel at the speed of light it would take infinite energy to attain that speed.


In theory, time travel can be accomplished by traveling the speed of light. However, the theory also states that travel at that speed is not possible.



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