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

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 ...

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

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

A new study shows how one of the cell's most important energy-producing machines is built. Researchers at Karolinska ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Nitric oxide doesn’t get the hype of collagen or NAD+, but it plays a central role in blood flow, energy, and how well the ...

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...

Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of ...

There was a time when wise older people warned you to check your tire pressure regularly. We never did, and would eventually ...