What color is the strongest laser?

It is the mW (milliwatt) specifically and NOT the color which determines the burning and heat rating of any particular laser pointer. So, blue lasers at 445nm and typically over 1,000mW these days are the best suited for burning ability. Offering a high heat index as well as a great visibility to go with it.

Can a laser shine through water?

So, do laser beams actually work underwater? And the simple answer to that question is “yes,” they absolutely do. As long as the internal components aren’t exposed to the water, they’ll work just fine.

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Can a laser pointer touch the Moon?

The typical red laser pointer is about 5 milliwatts, and a good one has a tight enough beam to actually hit the Moon—though it’d be spread out over a large fraction of the surface when it got there. The atmosphere would distort the beam a bit, and absorb some of it, but most of the light would make it.

What would be the best weapon in space?

Just plain, old, simple: Guns. Most modern rifles, shotguns and pistols should work in space: perhaps even better than they do on earth due to no bullet drop or wind variation. The way explosives, (i.e. propellants) found in the cartridges of weapon rounds, work is by having a fuel and an oxidiser.

What can destroy a meteor?

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  • Nuclear explosive device.
  • Kinetic impact.
  • Asteroid gravity tractor.
  • Ion beam shepherd.
  • Focused solar energy.
  • Mass driver.
  • Conventional rocket engine.
  • Asteroid laser ablation.

Can we hit Mars with a laser?

Current tech would take us to Mars in six to nine months. Nuclear thermal or nuclear electric propulsion tech would also need 100 days. But this laser-based approach could take humans to Mars in just 45 days! Are you excited by the potential of such tech to turn humans into a spacefaring civilisation?

Can a laser destroy a rocket?

At the latter level of intensity, a laser could deposit enough energy on a hostile ballistic missile during its vulnerable boost phase to destroy the missile.

Can a blue laser burn?

So the color doesn’t matter in terms of a laser burning ability. Only the mW strength determines the burning ability of any laser with class IV at 500mW or more being the best suited for burning. Blue lasers are typically the best for burning, not because they are blue, but because they tend to be 1000mW or higher.

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What happens if you shine a laser in the sky?

Although laser pointers do not produce a lot of light on the ground, when projected into the sky, the light disperses and the beam becomes much larger. This can temporarily blind a pilot, putting them and the hundreds of passengers on their plane at risk.

Can a laser light reach the Moon?

The spot of light from the laser beam will travel across the moon’s face in about half a millisecond, which means it’s traveling at 20 times the speed of light.

Why can’t you whistle on the Moon?

Because there is nothing out in space (like an atmosphere), the sound waves from one astronaut’s whistling can’t travel over to the other astronaut’s ears. That’s why the astronauts use radios to communicate—even if they’re floating in space right next to each other!

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Can nukes stop an asteroid?

Using high-fidelity simulations, scientists reported in a study published earlier this month that a stealthy asteroid as long as 330 feet could be annihilated by a one-megaton nuclear device, with 99.9 percent of its mass being blasted out of Earth’s way, if the asteroid is attacked at least two months before impact.

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What material can stop a laser?

Visible laser light can be blocked by anything that also blocks conventional light, such as a solid curtain, a wall, or even a sheet of paper.

What country has the most powerful laser?

Magurele Laser in Romania officially becomes the most powerful laser in the world. The laser at Magurele, near Bucharest, Romania marked a world premiere after reaching the highest power, 10 PetaWats.

What does the Moon smell like?

Apollo astronauts were specific. Moondust smells like burnt gunpowder.) Curiously, back on Earth, moondust has no smell. There are hundreds of pounds of moondust at the Lunar Sample Lab in Houston.

How long could you survive on the Moon without a suit?

You could only last 15 seconds without a spacesuit — you’d die of asphyxiation or you’ll freeze. If there’s any air left in your lungs, they will rupture.

Are there any weapons in space?

As of December 2022, there are no known operative orbital weapons systems, but several nations have deployed orbital surveillance networks to observe other nations or armed forces. Several orbital weaponry systems were designed by the United States and the Soviet Union during the Cold War.

What happens if you shine a laser in space?

A: The light from a laser in space would continue on forever unless it hit something. However, if you were far enough away, you wouldn’t be able to detect the light. A projectile would also continue on forever unless it hit something.

What laser can start a fire?

Class 3 lasers are EVEN more dangerous. But what’s worse is class 4 lasers – these lasers can start a fire. And so, you can imagine that these lasers can cause considerable damage to your eyes and skin.

Is laser light hotter than white light?

How does LASER light differ from ordinary white light? Laser light is hotter than white light. II Laser light’s waves are in phase. III Laser light contains only one wavelength.

Why is shining a laser at a plane Illegal?

Laser strikes on aircraft remain a serious threat to aviation safety. Intentionally aiming lasers at aircrafts poses a safety threat to pilots and violates federal law. Many high-powered lasers can incapacitate pilots flying aircraft that may be carrying hundreds of passengers.

What is the most powerful laser?

Known as the Zetawatt-Equivalent Ultrashort pulse laser System (ZEUS), it produces an ultra-short, extremely powerful pulse of just 25 femtoseconds. A femtosecond is a quadrillionth of a second – or to put it another way, a femtosecond is to a second what a second is to about 31.71 million years.

Can I touch a piece of the moon?

There are only a few places in the world where you can touch a piece of the Moon brought back during the Apollo missions, and they are all from this Apollo 17 sample. Recently, the Moon rock was briefly off display as we moved it to another place in the gallery. It is back now for our visitors to enjoy.

Can a laser stop an asteroid?

As a proof of concept on a small scale, Travis Brashears, a researcher at UC Santa Barbara’s Experimental Cosmology Lab, led by Dr. Philip Lubin, has already experimentally verified that laser ablation can de-spin and spin-up an asteroid.

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