I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Most consumer remote controls operate using infrared light. This works well assuming the piece of equipment has a line of sight to the remote. But if you have, say a receiver in a cabinet or closet, ...

Optomechanics as a branch of physics allows to control the motion of mechanical systems through interaction with light. This successful synergy drove the development and widespread adoption of ...

A sensor identifies misfolded protein biomarkers in the blood. This offers a chance to detect Alzheimer's disease before any symptoms occur. Researchers intend to bring it to market maturity. The ...