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

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 care monitoring at home, according to scientists at the University of Surrey.

Biologists have finally solved a centuries-old mystery regarding how birds maintain sharp eyesight despite ...

Navigating the world is no mean feat, especially when the world pushes back. For instance, airflow hitting a fly on its right ...

Initially stacked benzene layers increase fluorescent color change drastically when exposed to pressure, suggesting new ways to design the pressure sensors used in machinery and medical devices.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...