Table of Contents
What is needed to travel at the speed of light?
Consider this… the speed of light is 300,000 kilometers per second (186,000 miles per second) and when an object moves at this speed, its mass will become infinite. Therefore, infinite energy will be required to move the object, which is impractical.
When can we travel at the speed of light?
We can never reach the speed of light. Or, more accurately, we can never reach the speed of light in a vacuum. That is, the ultimate cosmic speed limit, of 299,792,458 m/s is unattainable for massive particles, and simultaneously is the speed that all massless particles must travel at.
What happens when an object travels at the speed of light?
You see, if an object travels at the speed of light, its mass will increase exponentially! Consider this… the speed of light is 300,000 kilometers per second (186,000 miles per second) and when an object moves at this speed, its mass will become infinite. Therefore, infinite energy will be required to move the object, which is impractical.
How much energy does it take to travel at light speed?
If the equation looks confusing, here’s a summary: The faster an object moves, an exponentially larger amount of energy is needed to speed it up, which is why travelling at light speed requires an infinite—and impossible—amount of energy. So unless you’re a photon, there’s a fat chance you’ll be matching the universe’s speed record any time soon.
How do we accelerate things to the speed of light?
On Earth, electric fields are often specifically harnessed on smaller scales to speed up particles in laboratories. Particle accelerators, like the Large Hadron Collider and Fermilab, use pulsed electromagnetic fields to accelerate charged particles up to 99.99999896\% the speed of light.
What is the relationship between speed of light and mass?
It means that if an object moves at a velocity that is 10\% of the speed of light, then it would experience an increase in its mass by 0.5\% of its original mass. On the other hand, if an object traveled at 90\% of the speed of light, then its mass would be 2 times its original mass.