thor 2 laser

One of the most frequent questions from pupils is “How far can a laser’s pointer travel?”. A 1W blue laser could easily reach up to 450 miles and can be useful in presentations. The beam can be aimed in a variety of directions, including at moving vehicles. However, a powerful laser may spread its beam … Read more

If you’re looking to purchase laser pointers it is important to understand all you can about the various models available. Laser pointers come in three colors: red, green and blue. The wavelength of each differs. The wavelength is shorter, which means the energy of the photon will be more powerful. The color to the left … Read more