angular head
81fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
82star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
83Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
84Albert Einstein — Einstein redirects here. For other uses, see Einstein (disambiguation) …
85Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… …
86Katharine Hepburn — Studio publicity photo, circa 1940 Born Katharine Houghton Hepburn May 12, 1907(1907 05 12) …
87Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
88Lincoln Town Car — Infobox Automobile name=Lincoln Town Car manufacturer=Ford Motor Company production=1981 present predecessor=Lincoln Continental successor= class=Full size luxury car platform=Ford Panther platform layout=FR layoutThe Lincoln Town Car is a full… …
89Bolted joint — Bolted joints are one of the most common elements in construction and machine design. They consist of cap screws or studs that capture and join other parts, and are secured with the mating of screw threads.There are two main types of bolted joint …
90Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
