A common question from students is "How far can a laser pointer go?". A 1W blue laser could easily reach up to 450 miles and is ideal for presentations. The beam can be aimed in many directions, including at moving vehicles. However, a powerful laser may radiate its beam so wide that it's impossible to be seen from vehicles. In these instances the use of a laser with a higher power can be employed.

The power of lasers in an object varies. A laser with a power of 200mW can be seen over a mile away. A red laser of 1000mW can be visible for ten miles away. Certain lasers have a shorter distance. According to ScienceDaily.com the world's longest laser is 270 kilometers long. It is important to note that a projectile or a 'laser' within space will continue to emit light until it hits something. A green laser, however, will only display a tiny area of a room.

If you're concerned about safety, you might prefer the green laser pointer. It's as bright an 100-watt light bulb when viewed from three feet away, but it's as bright as a quarter moon when looking upwards from 40,000 feet. A green laser pointer, however, is not safe to use. Always choose an authentic brand. If you're unsure, read reviews and ask your friends and family whether they've experienced any issues with these gadgets.

Although laser pointers can go far distances however, their range is very only limited. This is because they can be too powerful for the distance they can reach. You'll want to keep them in a sealed enclosure to avoid spills that could happen. And while you're there, be sure to look over the capabilities that the online laser pointer can reach. It's a great method to protect yourself and online laser pointer avoid danger!

There are numerous ways to determine the distance a laser pointer can travel. Distance to moon 238 miles and it's possible to locate one with a power of 5000mW. It's possible to utilize an flint laser of 50mW and be able to work as far as it's supposed to. Utilizing a laser with a power of 5mW could be risky and distracting.

Laser pointers are supposed to operate at a low power level. If you own one that's at a few thousand milliwatts and you are able to see it for up to a mile. If you're in the air, it might be impossible to see the laser pointer unless it's pointed at your eyes. If you're in the remotest part of the world the beam of light from the laser pointer could be observed far away.