Programmable optical chip merges photons to change color

Cornell researchers have built a programmable optical chip that can change the color of light by merging photons, without ...
CNET

An Expert Reveals the Real Reason Your LED Bulbs Die So Fast

When picking an LED bulb, it's best to stick with well-known, reliable brands, even if you have to pay a bit more. For smart ...
The Daily Galaxy on MSN

Physicists Transformed Lead Into Gold at Nearly the Speed of Light

At the heart of the Swiss-French border, beneath 100 meters of Alpine soil, a long-abandoned alchemical dream has stirred ...
IEEE

A Multiplexing Ripple Cancellation LED Driver With True Single-Stage Power Conversion and Flicker-Free Operation

Abstract: Although a single-stage off-line power light-emitting diode (LED) driver can achieve low cost and high efficiency, the notorious double-line-frequency flicker issue with a single-stage LED ...