A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a ...

Piezofluorochromism, the phenomenon of materials reversibly changing their fluorescent color when pressure is applied, is ...

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

Nano-sensors that work without batteries or wires could pave the way for more comfortable, less obtrusive sleep and health ...

The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...