Can humans acchive the speed of light for travell??/?

Question

If yes....pls explain how n if no why???

Answer 1

No.

Nothing that has mass can travel *at* the speed of light, though it is possible to get close.

Any object with mass, if it is traveling at close to the speed of light, it's momentum and inertia gets larger and larger, and accelerating the object further becomes more and more difficult.

If, for example, a person were traveling at "relativistic" velocity, say, 99.999995% the speed of light; accelerating him or her to 99.999998% would take more energy than there is in the universe.

To be more specific, the formula for the momentum (P) of an object as it nears the speed of light is:

P = m*v / √(1 - v² / c²)

where m is mass, v is velocity, and c is the speed of light. According to this formula, as v approaches c, the denominator becomes extremely small, and thus the total momentum become larger and larger without bounds.

Achieving those kind of speeds is only practical, is you are dealing with very small objects, like individual atoms or subatomic particles. Even then, it still takes a huge amount of energy.

The "LHC"(or Large Hadron Collider) , a new particle accelerator being built in Switzerland, may be the largest and most expensive science experiment ever created. http://www.lhc.ac.uk/about-the-lhc.html

Answer 2

Presently, no. Why? Because nobody knows how.

Under our current knowledge of how to travel over three dimensional space, as an objects speed increases, so does its mass. As the speed gets closer to the velocity of light (c), then its mass (m), approaches infinity. So the amount of energy (E) needed to accelerate the object that last bit to reach the speed of light would need to be infinite too. Therefore, there could not be enough energy applied to the object to accelerate the object to the speed of light.

E=mc2

Answer 3

hi,
the answer is a big NO
if you look at the relativistic effects on a body with a definite mass, as the speed increases the mass tends to increase
at the speed of light the mass of a body tends to infinity
that means all the energy you are providing to the body goes in increasing its mass and not speed!
hence only a massless body can travel at the speed of light
a photon is massless so it travels with the speed of light!
try reading Stephen Hawkings' - Brief History of Time

Answer 4

No. Unless of course Einstein's theory of special relativity is wrong. In quantum mechanics, certain quantum effects may be transmitted at speeds greater than the speed of light but this is one of the problems with that science and does not apply to humans or physical objects of any kind.

Answer 5

Only if those scientists find out how to convert matter into photons and back. If not, no, because nothing with mass can achieve the speed of light

Answer 6

Not with current technology. It is because according to Einstein's theory of relativity, any macro sized object when travels with the speed of light will have infinite mass and it will be difficult to define its location.

Answer 7

Theoretically yes, but Einstein suggested that the amount of energy needed to achieve light speed was far too massive to ever be able to reach light speed.
But, who knows what kinds of energy sources we will develop in our future.
I suspect that we will eventually be able to not only achieve light speed but we will eventually be able to travel at multiple times the speed of light.

Answer 8

theoritically, up until now, the largest possible speed in the universe is the speed of light. and, of course, someday, people can travel with the speed of light. but, nowadays, we still cannot do that. the technology is not enough to accelerate something to speed of light. just say, the particle accelerator can only reach until 0.99 c.

Answer 9

humans can achieve speed of light for travel with help of the supersonic plans

Answer 10

Only light can move at the speed of light.