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How to safeguard your skin when using UV nail lamps
Did you know UV nail lamps have the risks of causing cancer? In recent times, UV nail lamps have become one of the most ...
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World’s tiniest LED display has pixels smaller than a virus
Physicists have created the tiniest light-emitting diode (LED) displays ever 1. The image above was shown on a monochromatic display with pixels less than 100 micrometres across, about the width ...