Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors ...

For precision, speed, and fine-detail, only the best laser engraver will make the cut. I tested out a range of laser engraving machines, and these are my top-rated recommendations for crafters ...

The best laser printer is often the top choice for office and home office use. Excelling at document printing, laser printers have a reputation for producing crisp text, fast print speeds ...

If you've been debating laser hair removal, you have come to the right place. There's a lot to consider and it's important to do your research first, whether that's looking for a clinic or ...

If shaving is growing tiresome, consider laser hair removal: This method damages hair follicles to reduce growth over time, ultimately giving more long-term results than using a razor. After ...

By examining mummified remains using a technique called laser-stimulated fluorescence (LSF), researchers are unveiling body art from the Chancay culture, a group that lived on the Peruvian coast ...

A Crane whistleblower said the U.S. Navy retaliated against her after she refused to sign off on testing that would have subjected sailors to laser pulses that could have left them blind.

Copyright 2025 The Associated Press. All Rights Reserved. Researchers have used lasers to uncover highly intricate designs of ancient tattoos on mummies from Peru ...

The intricate details of tattoos inked more than 1200 years ago have been made visible by scanning South American mummies with lasers. The mummies, belonging to a pre-Hispanic people known as the ...

For more than 5,000 years, humans have adorned themselves with tattoos. In a new study, researchers used lasers to uncover highly intricate designs of ancient tattoos on mummies from Peru.