IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

Throughout the Army, recycling often refers to innovative approaches to reusing paper, ink cartridges, plastics and other items that would normally be disposed of in a landfill. But by looking at ...

Oil and gas production and work in confined spaces exposes field personnel to a variety of toxic and explosive gases in everyday drilling, processing, transport, and municipal operations. Explosive ...