War Wind — Infobox VG| title = War Wind developer = DreamForge Intertainment publisher = Strategic Simulations, Inc. designer = Aaron Kreader engine = released = 1996 genre = Real time strategy modes = Single player ratings = ESRB: Teen (T) platforms =… … Wikipedia
Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… … Wikipedia
Ionocraft — [ thumb|right|A simple ionocraft, generating 15 gF (0.147 newtons) of thrust at 54 kV] An ionocraft or ion propelled aircraft, commonly known as a lifter, is an electrohydrodynamic device (utilizing an electrical phenomenon known as the… … Wikipedia
Alexander P. de Seversky — Alexander de Seversky 1943 Born June 7, 1894 Tiflis, Georgia Died August 24, 19 … Wikipedia
Bussard ramjet — The Bussard ramjet is a theoretical method of spacecraft propulsion proposed in 1960 by the physicist Robert W. Bussard, popularized by Larry Niven in his Known Space series of books, and referenced by Carl Sagan in the television series and book … Wikipedia
Mechanical system — This article is about systems that manage mechanical movement. For other uses, see Machine (disambiguation). A mechanical system manages power to accomplish a task that involves forces and movement. Mechanical is derived from the Latin word… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
Machine — This article is about devices that perform tasks. For other uses, see Machine (disambiguation). A machine manages power to accomplish a task, examples include, a mechanical system, a computing system, an electronic system, and a molecular machine … Wikipedia
Gas — This article is about the physical properties of gas as a state of matter. For the uses of gases, and other meanings, see Gas (disambiguation). Ga … Wikipedia
materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… … Universalium
Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but … Wikipedia