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Short answer: As for today, we do not know for certain. It is by existing theory, Einstein's theory of relativity, impossible for matter (mass) to reach the speed of light.
A little longer: By Theory of relativity, the energy which is required to reach the speed of light is a limit which stretch to infinity. As energy can't be created nor destroyed, there is a finite amount of energy in the universe, and the speed of light cannot be reached.
What else can I help you with?
What happens to the speed of light in motor oil?
As long as the light remains in the motor oil, nothing happens to its speed.
What happens when light passes into a material where the speed of light is lower?
It moves at a slower speed!
What happens to the speed of the light when it passes from air into glass?
The speed decreases.
What happens to the speed of light as it moves from water into air?
The speed increases.
What happens to the speed of light when air changes to gas?
I'm afraid nothing happens to the speed of light ever. Also "air" is consider'd a gas.
What is the name of the power ranger light speed movie?
go go go light speed rescue
What happens when light passes through vacuum?
it travels at c (speed of light in a vacuum)
What happens to frequency does the speed of light ever change?
The speed of light IN A VACUUM is always the same. In substances other than the vacuum, the speed of light is usually slower than in a vacuum.
What happens to the speed of light as passes from water to air?
It increases.
What happens to the speed of light when it is refracted?
The speed of light decreases when it enters a denser medium and is refracted, such as water or glass. The change in speed causes the light to change direction at the boundary between the two media.
How fast did Greek chariots go?
They travel to the speed of light? to it? and where exactly is the speed of light?
Can light go faster then the speed of light?
Since light is made of light, whatever speed it goes at is what we call the speed of light. So we'll always see light moving at exactly the speed of light, at least in that particular medium.
