vacuum holder
51Robot — This article is about mechanical robots. For other uses of the term, see robot (disambiguation). For software agents, see Bot. ASIMO (2000) at the Expo 2005, a humanoid robot …
52List of British words not widely used in the United States — Differences between American and British English American English …
53Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …
54Keith Miller — For other people named Keith Miller, see Keith Miller (disambiguation). Keith Miller Personal information Full name Keith Ross Miller Born 28 November 1919(1919 …
55CNC wood router — A CNC wood router uses CNC (computer numerical control) and is similar to a metal CNC mill with the following differences:*The wood router typically spins faster mdash; with a range of 13000 to 24,000 RPM *It typically uses smaller tools mdash;… …
56Quartz crystal microbalance — A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film… …
57Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… …
58Centrifugal evaporator — Cutaway image of HT 4X Centrifugal Evaporator A centrifugal evaporator is a device used in chemical and biochemical laboratories for the efficient and gentle evaporation of solvents from many samples at the same time, and samples contained in… …
59fluid 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… …
60literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
