Power: Encyclopedia - Power

Power

The concept of power has many senses, all of which imply control or force.

Power - Physics

• Power (physics) is the amount of work done or energy transferred per unit of time.

• Electric power generation is the process of converting any form of energy to electrical energy as in:

• Power station
• Nuclear power
• Solar power
• Wind power
• Wave power
• Tidal power
• Geothermal power
• Hydropower

Power - Optics

Power has two meanings in optics:

• Power is used the same way as in other branches of physics
• A lens' optical power is the inverse of its focal length

Power - Social

• Power (sociology)
• Political power
• Reserve power
• Power (international), the ability of national states to influence or control other states or regions
• Power (communication), power in interpersonal communication

Power - Economics

• Economic powers

Power - Mathematics

• Exponentiation, for example 2³ is "two to the power of three"
• Statistical power
• Power of a method

Power - Fiction

Power is often used in supernatural senses to refer to the motivating forces behind different disciplines of magic. This is seen in both fiction and the real world.

Super powers is a term often used to refer to the abilities of superheroes. Power can also be used to refer to abilities specific to a character in a video or card game.

Power - Other

• Another word for the noun deity
• Powers, one of nine orders of angels in medieval angelology
• IBM POWER, Performance Optimization With Enhanced RISC, an IBM microprocessor architecture
• Power, a 1986 album by Kansas
• The Power, a 1956 novel by Frank M. Robinson, made into a 1968 film
• Power, a 1986 movie
• Power, a 1988 album by Ice-T
• Powers, a comic book series by Brian Michael Bendis and Mike Avon Oeming

Adapted from the Wikipedia article "Power", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki