Macquarie University researchers have demonstrated a technique to dramatically narrow the linewidth of a laser beam by a ...

A constant ringing in your ears might not seem like a big deal at first—but for millions worldwide, tinnitus is a daily ...

Key Takeaways ・Scientists have used laser-excited thorium-229 to probe for ultralight dark matter, even without a fully built ...

Common side effects of laser hair removal include redness or discoloration, discomfort, and swelling. These side effects could last anywhere from 1-3 days. Some people may also experience: ...

The various effects generated by lasers find widespread applications in everyday life, including laser pointers, printers, DVD players, retinal and other medical surgery procedures, and industrial ...

Research has shown that some effects likely occur every time a patient believes an intervention will work, whether it is real or sham.

The effect occurs because the green laser increases the optical absorption of the blue illuminating laser beam, creating a matching region in the illuminating light with lower optical intensity.

Ultra-thin lenses that make infrared light visible Date: June 2, 2025 Source: ETH Zurich Summary: Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared ...

If you manipulate a laser just right, then hit it side-on with another light source, it’s possible to create this bizarre optical effect.

The U.S. Navy fielded its 30-kilowatt LaWS laser in 2014, and since then an arsenal of new lasers with 50, 100 and 150 kilowatts of power have been developed on aircraft, ships and ground vehicles.