Is light speed possible?

Based on our current understanding of physics and the limits of the natural world, the answer, sadly, is no. According to Albert Einstein's theory of special relativity, summarized by the famous equation E=mc2, the speed of light (c) is something like a cosmic speed limit that cannot be surpassed.
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Could a human survive the speed of light?

No, we cannot travel 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.
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Why is light speed not possible?

Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second). Only massless particles, including photons, which make up light, can travel at that speed. It's impossible to accelerate any material object up to the speed of light because it would take an infinite amount of energy to do so.
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How close can we get to the speed of light?

The most energetic particles ever made on Earth, which are protons at the Large Hadron Collider, can travel incredibly close to the speed of light in a vacuum: 299,792,455 meters-per-second, or 99.999999% the speed of light.
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Is light speed a real thing?

The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant known in equations as "c," or light speed.
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Faster Than Light Speed Travel With Neil deGrasse Tyson



How fast can a human go without dying?

Most of us can withstand up to 4-6G. Fighter pilots can manage up to about 9G for a second or two. But sustained G-forces of even 6G would be fatal. Astronauts endure around 3G on lift-off, one G of which is Earth's own pull.
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Is warp speed possible?

“None of the physically conceivable warp drives can accelerate to speeds faster than light,” Bobrick says. That is because you would require matter capable of being ejected at speeds faster than light—but no known particles can travel that fast.
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Can we go 1% the speed of light?

It's possible to get something to 1% the speed of light, but it would just take an enormous amount of energy.
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Is light faster than darkness?

Darkness travels at the speed of light. More accurately, darkness does not exist by itself as a unique physical entity, but is simply the absence of light. Any time you block out most of the light – for instance, by cupping your hands together – you get darkness.
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Is time Travelling possible?

Yes, time travel is indeed a real thing. But it's not quite what you've probably seen in the movies. Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second. And there are important reasons why we need to understand this real-world form of time travel.
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How fast is a tachyon?

One of the most intriguing entities in relativity theory are tachyons. They are hypothetical particles that travel faster than light. They are distinguished from "bradyons," particles that travel at less than the speed of light.
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Are wormholes possible?

Einstein's theory of general relativity mathematically predicts the existence of wormholes, but none have been discovered to date. A negative mass wormhole might be spotted by the way its gravity affects light that passes by.
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Are wormholes real?

Wormholes are shortcuts in spacetime, popular with science fiction authors and movie directors. They've never been seen, but according to Einstein's general theory of relativity, they might exist.
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When can you leave Earth at the age of 15?

If you leave Earth at the age of 15 in a spaceship at the speed of light and spend 5 Years in space, when you get back on Earth you will be 20 years old and all your friends who were 15 when you left will be 65 years old. This phenomenon is known as "Time Dilation" in Physics.
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How fast is 5g force?

At 5 Gs, a driver experiences a force equal to five times his weight. For instance, during a 5-G turn, there are 60 to 70 pounds of force pulling his head to the side.
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Would you go back in time if you went faster than light?

Time Travel

Special relativity states that nothing can go faster than the speed of light. If something were to exceed this limit, it would move backward in time, according to the theory.
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Are bullets faster than light?

IN NORMALcircumstances, nothing can travel faster than light. But take a beam of light after George Welch is done with it, and even a small aeroplane would be able to beat it.
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Is a thought faster than light?

While light travels at the rate of 186,000 miles per second, thoughts virtually travel in no time. Thought is finer than ether, the medium of electricity. Thoughts excel light in speed. While light travels at the rate of 186,000 miles per second, thoughts virtually travel in no time.
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How fast is gravity?

Or, to be more precise, gravity moves at 299,792,458 metres per second, a rate we can just call c.
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Is anything faster than light?

So, according to de Rham, the only thing capable of traveling faster than the speed of light is, somewhat paradoxically, light itself, though only when not in the vacuum of space. Of note, regardless of the medium, light will never exceed its maximum speed of 186,282 miles per second.
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Is warp drive faster than light?

A warp drive is a device that distorts the shape of the space-time continuum. A spacecraft equipped with a warp drive may travel at speeds greater than that of light by many orders of magnitude.
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Is NASA building a warp drive?

DARPA and NASA Scientists Accidentally Create Warp Bubble for Interstellar Travel. A Defense Advanced Research Projects Agency-funded research project at NASA's Johnson Space Center may have accidentally discovered how to build a warp drive engine. The scientists published their findings in July.
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Why is warp 10 Impossible?

Our solution was to redraw the warp curve so that the exponent of the warp factor increases gradually, then sharply as you approach Warp 10. At Warp 10, the exponent (and the speed) would be infinite, so you could never reach this value.
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Is it possible to bend space-time?

You don't have to be the size of a planet to do some space-time warping. Large objects such as the Sun and planets aren't the only masses that warp the fabric of space-time. Anything with mass—including your body—bends this four-dimensional cosmic grid.
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