A model human and jeep (left) were hidden from an infrared camera (right) Mohammad J. Moghimi, Guangyun Lin, Hongrui Jiang
A bendable sheet of silicon can hide 95 percent of infrared light, rendering objects essentially invisible to heat-sensing night vision goggles or infrared cameras.
Black silicon is made by growing silicon crystals at various heights on a silicon wafer, creating what looks like a dense forest of needles. This material hardly reflects any visible light, because light waves bounce back and forth between the steeple-like silicon towers, preventing their escape.
Hongrui Jiang at the University of Wisconsin-Madison and his…
