A compact thermoelectric generator built by researchers at Pennsylvania State University can convert exhaust heat from cars, helicopters, and unmanned aerial vehicles (UAVs) into usable electric ...

Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost ...

Combustion engines only use a quarter of the fuel’s potential energy while the rest is lost as heat through exhaust. Now, a ...

Get them to sing a different tune by cleaning them with toothpaste. See how a piano can work as a hiding space. Ever seen a ...