Abstract: This work presents a compact smartphone-integrated relative humidity (RH) sensor based on intensity modulation using agarose-coated polymer optical fibers (POFs). The sensing architecture ...

The best Windows Hello webcams deliver what many desktop PCs still lack: fast, password-free authentication backed by biometric security. Instead of typing a password every time you sit down, your PC ...

Analog gauges gave way to all manner of fancy electroluminescent and LED gauges in the ’80s, but the trend didn’t last long. It’s only in the last decade or so that LCD digital gauges have really ...