The world's first room-temperature continuous-wave UV-B laser diode on a sapphire substrate

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 ...
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I Used Smart Glasses to Cover CES. Here's What Actually Worked

Wearing smart glasses at the biggest tech show of the year was a glimpse of the future, with plenty of caveats.