@@ -1,1 +1,1 @@ - +The most frequently asked question by pupils is "How far can a laser pointer go?". A blue laser of 1W can easily cover up to 450 miles and is ideal for presentations. The beam can be directed in many directions, including towards moving vehicles. However, a laser with a high power can radiate its beam so wide that it would be unable to be seen from vehicles. In such situations, a higher-powered laser can be employed.<br><br>The power of the laser beam from a pointer varies. A 200mW green laser can be observed from one mile. A red laser of 1000mW can be visible from ten miles away. Some lasers have a shorter range. According to ScienceDaily.com, the world's longest laser spans 270 km. It's worth noting that a projectile or laser within space will continue to radiate light till it strikes something. A green laser however will only illuminate a small space across the space.<br><br>If you're worried about safety, you might consider a green laser pointer. It's as bright as 100-watt light bulbs from three feet away however it's nearly as bright as the quarter moon when you look upwards from the distance of 40,000 feet. Laser pointers that are green, on the other hand [https://www.shureaboutthat.com/community/profile/everettevonwill/ laserpointerstore] is not safe to use. Always choose an established brand. If you're not sure then read the reviews and ask friends and family whether they've experienced any issues using these devices.<br><br>Although laser pointers can go for long distances, their range is limited. This is because they can be too powerful for the distance they can reach. 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 distance of the laser. It's a great way to ensure safety and avoid a dangerous situation!<br><br>There are numerous methods of determining 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 use the 50mW laser, and it will perform at least as well as it's intended to. A laser pointer with 5mW could be risky and also distracting.<br><br>Laser pointers are intended to function at a low power level. If you own a laser that is at a few thousand milliwatts and you are able to see it for up to one mile. If you're in an airplane, it may be impossible to observe the laser's pointer unless focused on your eyes. However, if you're in far reaches of the wilderness the light of a laser pointer can be seen from miles away.