The drinking bird is a heat engine that works at room temperature.
Boltzmann considered a certain ideal heat engine with light as a working matter instead of gas.
Power cycles can be divided according to the type of heat engine they seek to model.
He was, however, the first person to propose the use of a piston in a heat engine.
It is thus in some sense a photonic heat engine.
Boltzmann treated a heat engine with light as a working matter.
Scientists called thermodynamists study heat engines and how they work.
It is a heat engine that does not use a liquid or gas.
A heat engine gives greater efficiency when run with a large temperature difference.
Simple toys have been built which demonstrate how the principle can be used to drive a heat engine.
