This $79 smart sensor is one of the best investments I've made for my home security

I tested a tiny plug-in that claims to prevent electrical fires - can something so simple really bring peace of mind?
American Institute of Physics

Ultrafast readout circuit enables 100 million-pixel superconducting nanowire detector

Superconducting nanowires have been used for decades as detectors for photons, neutrons, and other energetic particles. When ...