Weightlessness in space

The rate at which work is performed or energy is converted;
the rate of work performed by a human;
the ability to control one’s environment or other entities;
the capacity of an individual or a group to exert their will over others;
a concept in economics for which there is no agreed upon definition;
this psychedelic phenethylamine is popularly known as power.

http://en.wikipedia.org/wiki/Power