Binary star population of open cluster NGC 2158 explored with Hubble

Astronomers have analyzed the images collected by the Hubble Space Telescope (HST) to investigate a galactic open cluster ...
Compound Semiconductor

Vishay RGB LED in 0404 offers separate colour control

Vishay has introduced a new tricolour LED that provides luminous intensity to 252 mcd at 5 mA for RGB displays and backlighting. The VLMRGB1500 uses the latest high brightness AllnGaP and InGaN ...

Vishay Intertechnology RGB LED in 0404 Package Provides Independent Control of Red, True Green, and Blue Chips for Wide Color Range

With its wide color range, the Vishay Semiconductors LED released today is ideal for switch illumination, status indicators, ...

Engineers improve infrared devices using century-old materials

After decades of intense research, surprises in the realm of semiconductors—materials used in microchips to control ...
Hackaday

Inside SKALA: How Chornobyl’s Reactor Was Actually Controlled

Running a nuclear power plant isn’t an easy task, even with the level of automation available to a 1980s Soviet RBMK reactor.
EDN

Stretching a bit

Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.