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Red light therapy was first tested back in the mid-1960s, when a Hungarian physician named Endre Mester shined a low-power laser on the shaved skin of a mouse. Though he was testing for impacts on ...

It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...

LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...

You can get a brighter smile with a number of different whitening products and techniques available at home or at a dentist’s office. They vary in effectiveness (and price), but none of them provide ...

A direct comparison between an RGB LED TV and a QD TV revealed that the RGB model struggled with color crosstalk and contrast performance.