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 ...

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, researchers tested 122 laser pointers and found that nearly 90 percent of green pointers ...

On Friday, the Food and Drug Administration published new draft guidance that could effectively put an end to high-powered lasers in the United States. It will not be formally approved until the ...

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 ...

A lot of the DIY laser engravers and cutters we cover here on Hackaday are made with laser diodes salvaged from Blu-ray drives and projectors, which are visible lasers in the 400 – 450nm range ...

A new galvanometer-based laser processing system reported in Engineering integrates full-in-situ imaging and machining without requiring coordinate conversion or calibration, offering a streamlined ...

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, National Institute of Standards and Technology (NIST) researchers tested 122 laser ...