Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

Researchers at Kumamoto University have discovered that a purely inorganic crystal grown from water solution can emit ...

Now researchers in Japan have reported the world’s first continuous-wave UV-B semiconductor laser diode operating at room temperature on a low-cost sapphire substrate. This breakthrough by researchers ...

Here at Hackaday, we love a good art piece, whether that involves light or sound. Combining both is a sure-fire way to get our attention, and [Eirik Brandal] did just that with his Void Extrusion ...

WASHINGTON/DETROIT, Jan 2 (Reuters) - Julie Yukari, a musician based in Rio de Janeiro, posted a photo taken by her fiancé to the social media site X just before midnight on New Year's Eve showing her ...