If your old incandescent Ryobi flashlight bulb is dead, it's actually possible in most cases to swap it out for an LED.

Unlike traditional electrical light-producing filament or gas components, LEDs can produce specific colors of light spanning the entire visible range, as well as IR and UV. Their use in automotive ...

IOWA CITY - The City of Iowa City and MidAmerican Energy have signed an agreement to convert the city's roughly 4,000 street and pedestrian lights to light-emitting diode, or LED, units over the next ...