Consider, for example, an ancient galley ship with many oarsmen providing an engine. This wasn’t a great use of human power. An oarsman on a galley used his arms and back but didn’t much use ...

The diagram shows the results of several different measurements of human power output as a function of time. The blue line indicates that 100 Watts is the maximum healthy person steady state power ...

A galaxy far, far away may be closer than you think. NVIDIA CEO Jensen Huang is making sure of it, thanks to a collab with Disney Research.

The use of a bicycle power train in conjunction with a large air propeller also became the favored mode of power transfer in the record setting Decavitator hydrofoils. The photograph and diagram show ...