Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… … Wikipedia
Pierre-Simon Laplace — Laplace redirects here. For the city in Louisiana, see LaPlace, Louisiana. For the joint NASA ESA space mission, see Europa Jupiter System Mission. Pierre Simon, marquis de Laplace Pierre Simon Laplace (1749–1827). Posthumous portrait … Wikipedia
Charles Wheatstone — Wheatstone, drawn by Samuel Laurence in 1868 Born 6 … Wikipedia
Paintball — Sport imagesize = 300px caption = Speedball players breaking out at the start of a game union = List of paintball leagues nickname = first = June 27, 1980, Henniker, New Hampshire registered = clubs = contact = No physical contact between players … Wikipedia
Eleanor Roosevelt High School (Maryland) — Infobox School name=Eleanor Roosevelt High School type=Public High School location=7601 Hanover Parkway, Greenbelt, MD information=(301) 513 5400 established=1976 grades=9 12 enrollment= faculty= principal=Reginald McNeill mascot=Raiders… … Wikipedia
Hendrik Wade Bode — Infobox Scientist name = Hendrik Wade Bode image width = 162 caption = Hendrik Wade Bode birth date = birth date|1905|12|24|df=y death date = death date and age|1982|6|21|1905|12|24|df=y birth place = Madison, Wisconsin death place = Cambridge,… … Wikipedia
energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy … Universalium
Cerebral aneurysm — Classification and external resources Diagram of cerebral aneurysm. ICD 10 I … Wikipedia
Subarachnoid hemorrhage — ICD9|852.0 ICD9|852.1 ICDO = OMIM = 105800 MedlinePlus = 000701 eMedicineSubj = med eMedicineTopic = 2883 eMedicine mult = eMedicine2|neuro|357 eMedicine2|emerg|559 MeshID = D013345 Subarachnoid hemorrhage (SAH, pron en|ˌsʌbəˈræknɔɪd ˈhɛm(ə)rɪdʒ) … Wikipedia
Variable valve timing — Variable valve timing, or VVT, is a generic term for an automobile piston engine technology. VVT allows the lift or duration or timing (some or all) of the intake or exhaust valves (or both) to be changed while the engine is in operation. Two… … Wikipedia
international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… … Universalium