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

For decades, bulky spectrometers have been the main tools for understanding how things are made of chemicals (a thing called ...

NASA’s James Webb Space Telescope was designed to go far beyond the limits of previous observatories. Built to detect ...

We all know that feeling: you've turned the lights off and are almost asleep when you hear that infamous buzz. A mosquito is hunting in your bedroom. The dance commences. You could turn on the lights, ...

Light is a fundamental signal affecting every form of life. Cycles of light and dark help set the biological clocks in ...