The automotive industry makes extensive use of light-emitting diodes (LEDs) in high-beam headlights, brake and position lights, and side and rear direction lights. In an LED driver design, the ...

Scientists may be on the cusp of launching a similar technological revolution — this time using light. In a significant advance toward that goal, the U.S. National Institute of Standards and ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

One of the more interesting categories of our ongoing Green Power Challenge is “anything but PV” — and since the radiated ...