The most frequently asked question by students is "How far is a laser-pointer's range?". A 1W blue laser can easily travel up to 450 miles and is useful for presentations. The beam can be aimed in many directions, including at moving vehicles. But a high-power laser could radiate its beam so wide that it's impossible to be observed from the vehicle. In such situations it is possible for a more powerful laser to be employed.

The power of the laser beam from the pointer can vary. A laser with a power of 200mW can be seen from over a mile away. A 1000mW red laser could be visible from ten miles away. Certain lasers have a shorter distance. According to ScienceDaily.com, the world's longest laser measures 270 kilometers. It's worth noting that a projectile, also known as a "laser" within space will continue to emit light until it hits something. A green laser, however, will only show a small space across the room.

If you're worried about security, you may prefer a laser pointer that is green. It looks as bright as a 100-watt light bulb at three feet, however it's nearly as bright as the quarter moon when you look up from 40,000 feet. A green laser pointer, on the other hand isn't suitable for use. You should always buy a reputable brand. If you're unsure then read the reviews and ask your friends and family about any incidents they've experienced with these gadgets.

While laser pointers are able to travel far distances, their range is only limited. This is because they can be too powerful for the distance they be able to cover. You'll need to keep the laser in a closed housing to prevent accidental spills. And 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 an unsafe situation!

There are numerous methods to calculate the distance a laser pointer can travel. It is estimated that the distance from Earth to Moon will be 238 miles, and it's possible to find one with a power of 5000mW. It's possible to utilize the 50mW laser, and it will be able to work as far as it's supposed to. Using a 5mW laser pointer could be risky and distracting.

Laser pointers are intended to function at a low power level. If you have one that's a few thousand milliwatts, you can see it for up to a mile. If you're on aircraft, you might be impossible to observe the laser pointer unless it's directed at your eyes. However, if you're in remotest part of the world, the light from a laser pointer can be seen far away.