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Computers the size of dust particles could be fabricated thanks to newly developed light sources, which achieve high efficiency at low power. Networks of minuscule computers, although potentially ...

Light-emitting diodes -- LEDs -- can do way more than illuminate your living room. These light sources are useful microelectronics too. Smartphones, for example, can use an LED proximity sensor to ...

Whether or not you pay any attention to the lighting overhead, the lighting may be paying such close attention to you that privacy advocates are warning about the “terrifying” potential for misuse.