Laser levels are indispensable for ensuring measurement accuracy. We tested the best-selling models—see how they fared.

The Reaper is unable to hear sounds, which means they'll rely entirely on what they're able to see. If they spot you, the ...

From precise framing layouts to picture-perfect walls, a good laser level is a tool you’ll use all year long. Amazon’s early ...

Laser engraving has become a new hobby of mine as of late. I've been tinkering around with blue diode lasers that can engrave ...

Constellation-level decision frameworks that allow thousands of satellites to cooperate, redistribute resources and execute ...

Researchers built a silver-grooved chip that channels laser energy into nanometer-spaced peaks, beating the diffraction limit and aiding light-matter studies.

Using a laser-based device beyond the scope of her license got a Coral Gables electrologist “permanently restricted from operating laser or light-based devices.” That’s from the state Board of ...

CORPUS CHRISTI, Texas — Scientists at Texas A&M University–Corpus Christi are using advanced artificial intelligence to forecast how sea levels are changing — and they’re looking farther into the ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

The Epson EF-72 is a super-stylish coffee table projector, but it slightly lacks contrast when compared with the cheaper Hisense. Hisense's design may not be as eye-catching as Epson's, but it offers ...

Discover the best home-improvement products—lab-tested, expert-approved upgrades for kitchens, baths, and beyond from Good ...

IPLs use “a broad range of light frequencies to target pigment in the hair,” whereas laser tools use “a single, focused frequency of light” for a precise treatment, says Dr. Phillips. Home laser ...