# What is the maximum distance a laser Pointer Take You?

A common question from students is “How far can a laser pointer go?”. A blue laser of 1W can easily travel as far as 450 miles and is ideal for presentations. The beam can be directed in many directions, including towards vehicles moving. However, a powerful laser may extend its beam to the point that it is unable to be observed from a vehicle. In these situations the use of a laser with a higher power can be used.

The power of lasers in the pointer can vary. A green laser of 200mW could be observed from one mile. A red laser of 1000mW can be visible for ten miles away. Some lasers have a shorter range. According to ScienceDaily.com the world’s longest laser is 270 kilometers long. It’s worth noting that a projectile or a ‘laser’ within space will continue to radiate light till it hits something. The green laser however will only display a tiny area across a space.

If you’re concerned about safety, you might consider a laser pointer that is green. It looks as bright as an 100-watt light bulb when viewed from three feet away, however, it’s brighter than a quarter moon when looking up from the distance of 40,000 feet. Laser pointers that are green, on the other hand is not suitable for use. It is recommended to purchase an established brand. If you’re not sure, read reviews and ask family and friends about any incidents they’ve experienced with these gadgets.

While laser pointers are able to travel for a long distance however, their range is very only limited. This is because they can be too powerful in relation to the distance they be able to cover. It is recommended to store them in a sealed enclosure to prevent accidental spills. While you’re there, don’t forget to check the capabilities that the laser can reach. This is a great way to be safe and avoid danger!

There are many different methods to calculate the distance that a laser pointer can travel. The distance to the moon is 238 miles and it’s possible to find one with a power of 500mW. You can use an flint laser of 50mW and be able to work as far as it’s intended to. Utilizing a laser with a power of 5mW can be dangerous and distracting.

Laser pointers are intended to function at a low power level. If you have an optical source that has just a few thousand milliwatts in power and you are able to see it for as long as one mile. If you’re in the air, it might be difficult to spot the laser’s pointer unless focused on your eyes. However, if you’re in remotest part of the world the light of the laser pointer could be observed far away.

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