The most frequently asked question by pupils is "How far can a laser pointer go?". A 1W blue laser could easily travel as far as 450 miles and can be useful in 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 the vehicle. In these instances it is possible for a more powerful laser to be used.

The laser power of the pointer can vary. A laser with a power of 200mW can be seen over a mile away. A red laser of 1000mW can be visible from ten miles away. Some lasers have a shorter distance. According to ScienceDaily.com the world's largest laser is 270 kilometers long. It's important to know that a projectile, also known as a laser in space will produce light as long as it hits something. The green laser however will only show a small space across the room.

If you're worried regarding safety, you may want to choose the green laser pointer. It looks as bright as an 100-watt light bulb when viewed at three feet, but it's as bright as the quarter moon when you look up from 40,000 feet. The green laser pointer in contrast is not appropriate for use. Always choose an established brand. If you're not sure then read the reviews and ask your friends and family about any incidents they've experienced using these devices.

While laser pointers are able to travel for long distances however, their range is very only limited. This is because they can be too powerful in relation to the distance they cover. You'll need to keep them in a sealed housing to stop accidental spills. And while you're there, don't forget to check the capabilities of the laser. It's a great way to be safe and avoid an unsafe situation!

There are numerous methods to calculate the distance that a laser pointer can travel. Distance to moon 238 miles and it's possible to find one that's powered by 5500mW. You can use a 50mW laser and it'll be able to work as far as it's designed to. Using a 5mW laser pointer jd-850 pointer could be risky and distracting.

Laser pointers are supposed to function at a low power level. If you have a laser that is just a few thousand milliwatts in power that you can see for as long as one mile. If you're on the air, it might be impossible to observe the laser pointer , unless it's directed at your eyes. But if you're in the far reaches of the wilderness, the light from the laser pointer can be observed far away.