Every now and then, one of my columns elicits enough reader response to merit a follow-up. Such is the case with a piece I wrote on green laser pointers (November 2013), in which I outlined their ...

I tested various laser pointers, including green, red, violet, and a laser engraver, measuring actual power output to see how ...

The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you ...

Carolyn Trietsch recently defended her Ph.D. in entomology at Penn State. You can view her website or follow her on Twitter @carolyntrietsch. Laser pointers are perhaps the most abused visual aids in ...

I’m sure all of you reading this have seen or used a laser pointer at some point in your life, or maybe you’ve even bought one online. But have you ever paid attention to the warning signs on your ...

When the first consumer laser pointers hit the market around 1980, they were an expensive novelty. Now, you can pick one up for $1.99 at a gas station. But if you ask Colette DeHarpporte, they’re ...

THURSDAY, Sept. 1, 2016 -- Laser pointers may look harmless enough, but when children play with them kids can end up with blurry vision, blind spots or potentially permanent vision loss, eye experts ...

We tested the Olight ArkPro Ultra to see how its bright beam, UV light, laser pointer, rugged build, and long battery life ...

NEW YORK – A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online.