Laser pointers can be a good option for kitty cardio and human laughs, but they might leave your cat feeling frustrated and wanting to pounce on the next best thing (like your feet).

A 9-year-old boy in Greece was left with damaged vision after staring into a laser pointer. His doctors describe the case in a paper published in the New England Journal of Medicine. The boy's ...

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 ...

Watching your cat chase a laser pointer is undeniably hilarious, but these popular pet toys remain controversial. Here’s what the experts say.

Laser pointers are helpful when giving a presentation. Just don’t let the beam hit you in the eye—especially when it’s green. The National Institute of Standards and Technology says that ...

A 9-year-old boy in Greece permanently injured his left eye when he repeatedly gazed into a laser pointer’s green beam, doctors say.

Laser pointers were cool for about 30 seconds when they first came out, before becoming immediately passé and doing absolutely nothing to improve the boss’s quarterly reports presentation.

While laser pointers are allowed both in carry-on and checked baggage, ultimately high-power lasers might be considered a ...

A laser, however, offers a way to measure the thickness of a hair using a yardstick. As a demonstration, I borrowed some of SteelyKid's Lego bricks to build both a holder for a laser pointer and a ...

Beginning with PowerPoint 2010, you can turn your mouse pointer into a laser pointer. It’s an eye-catching feature that can add a bit of visual appeal to a specific slide or your entire ...

A 9-year-old boy burned a hole in his retina by repeatedly looking into a green laser pointer, which doctors discovered after he began complaining of decreased vision.