Infrared sensors gain sensitivity with ultra-thin lens for fire and threat monitoring

Researchers have developed a highly sensitive method for detecting hotspots in the environment, such as bushfires or military ...
Hackaday

ir sensor

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...