White-light sources based on reliable and energy-efficient LEDs have only recently been made possible through developments in semiconductors (Fig. 1 shows a white-light LED in action).

Smart light bulbs aren't new, but ones with Bluetooth speakers added in are a fairly recent innovation. Here are six that ...

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Efficiency is the comparison of the amount of light (lumens ... and over 63 seconds scored poor. The Feit Electric 60 Watt Replacement 9.5 W LED is part of the Lightbulbs test program at Consumer ...

Since LEDs consume less energy, up to 25 LED lighting strings can be connected together for greater lighting without overloading electrical wall sockets. LED streetlight in San Ramon, Calif.