We’ve been singing the praises of LED light therapy all year long, but if there’s one thing we don’t love about it, it’s this: It ain’t cheap. As we reported earlier this year, an LED face mask should ...

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Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

A team of physicists from the University of Innsbruck and Harvard University has proposed a fundamentally new way to generate laser light: a laser without mirrors. Their study, published in Physical ...