Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...
As the U.S. continues to wait for newer sunscreen ingredients, patients should use tinted sunscreens to protect against ...
Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.
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A glorious, colorful image captured by a telescope in Chile shows the bright glow of star cluster RCW 38, where young stars are being born.
Blue-light glasses were everywhere a few years ago, promising to save our screen-obsessed society from ourselves.
The best viewing conditions are when the sky is dark and clear of any clouds, with no light pollution in remote areas, facing ...
Our love affair with technology can wreck our vision and sleep, thanks to blue light. “The problem is that, with technology, we are being overexposed to blue light,” said ophthalmologist Dr. Rafael ...
Radio waves could allow robots or autonomous vehicles to see through thick smoke, intense rain – or even around corners. Such ...