The handheld laser pointers you can buy at office supplies stores are legally required to be no powerful than 0.005-watts, and most fall well below that threshold so they’re relatively safe to use.

This recall involves Party Favors lite-up torches and mini laser pointers. The affected models are: Model PF-1082: A single lite-up torch sold in white, blue or orange, measuring about 5 inches long ...

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 ...

Laser technology can be fun for a number of reasons, whether its to aid presentations, create light shows at big concerts, or provide some entertainment for your cat. There are other types of laser ...