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

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

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

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

LASIK surgery continues to be one of the most popular and effective methods of correcting vision problems caused by ...

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.

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 ...

The effect works thanks to some intriguing optical physics. Where the green laser hits the ruby, it increases the amount of blue light the crystal absorbs.

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 ...