During 19th-century excavations at Pompeii, the ancient Roman city that was buried in volcanic ash in 79 C.E. after the […] ...

Emissivity describes how well an object emits infrared energy, or heat. This affects how well a thermal imager can accurately measure the object's surface temperature. Different materials emit ...

These small components mimic infrared-remote controls and effectively turn your smartphone into a universal remote. All of this to say, if you're desperate for a smartphone that can replace your ...