He tested the array first with a power supply and it looked like something out of a bad science fiction movie, even at reduced power. One problem with a big laser pointer is having enough voltage ...

It’s all about wanting to do target practice, indoors, using a simple red laser dot instead of any sort of projectile. While it’s possible to practice by flashing a red laser pointer and ...

In the past, pointers predominantly produced red laser beams and were restricted to have an upper output limit of 1 mW and as such were classified as class 2 laser products. Safety was afforded by ...

Doctors are warning about the dangers of laser pointers after a Lebanon, Missouri, student was injured. Rowen Bressner said a classmate pointed a red laser in her eye. Doctors are warning about ...

Green Laser pointers are visually brighter than red ones for the same optical power. This is because the green wavelength is close to the peak sensitivity of the eye. Some cheap red pointers are ...