Action (physics) — In physics, the action is a particular quantity in a physical system that can be used to describe its operation. Action is an alternative to differential equations. The action is not necessarily the same for different types of systems.The action… … Wikipedia
Action 52 — North American NES cover art. Developer(s) … Wikipedia
Fields of Force — The Development of a world view from Faraday to Einstein (1974) is a book by William Berkson, published by John Wiley Sons. It is an extension of his doctoral thesis, which was supervised by Karl Popper and examined by A.I. Sabra. Berkson credits … Wikipedia
Fields, W.C. — orig. William Claude Dukenfield born Jan. 29, 1880, Philadelphia, Pa., U.S. died Dec. 25, 1946, Pasadena, Calif. U.S. actor and screenwriter. He was a vaudeville headliner as a juggler and appeared for seven seasons (1915–21) in the Ziegfeld… … Universalium
Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… … Wikipedia
Action at a distance (physics) — In physics, action at a distance is the interaction of two objects which are separated in space with no known mediator of the interaction. This term was used most often with early theories of gravity and electromagnetism to describe how an object … Wikipedia
Fields of Honor — This is an annual Game convention held in Des Moines, Iowa. The last few years the convention has been held at the Hotel Fort Des Moines in the downtown area. The convention is a mixture of miniature wargaming, board games, role playing,… … Wikipedia
Lines of Action — Infobox Game title = Lines of Action subtitle = image link = image caption = The board and pieces at the beginning of a game. designer = Claude Soucie illustrator = publisher = players = 2 ages = setup time = < 5 minutes playing time = random… … Wikipedia
Participatory action research — Action Research or Participatory action research has emerged in recent years as a significant methodology for intervention, development and change within communities and groups. It is now promoted and implemented by many international development … Wikipedia
Einstein–Hilbert action — General relativity Introduction Mathematical formulation Resources Fundamental concepts … Wikipedia