free point indicator

  • 41Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …

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  • 42ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …

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  • 43Undercarriage — This article is about aircraft landing gear. For the Devin the Dude album, see Landing Gear. Undercarriage Undercarriage of a Boeing 777 300 …

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  • 44Weather radar — in Norman, Oklahoma with rainshaft …

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  • 45titration — [tī trā′shən] n. 〚/span> TITRATE + ION〛 Chem. Physiol. the process of finding out how much of a certain substance is contained in a known volume of a solution by measuring volumetrically how much of a standard solution is required to produce a… …

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  • 46Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …

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  • 47United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …

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  • 48Entropy — This article is about entropy in thermodynamics. For entropy in information theory, see Entropy (information theory). For a comparison of entropy in information theory with entropy in thermodynamics, see Entropy in thermodynamics and information… …

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  • 49List of Tesla patents — Below is a list of Tesla patents. Dr. Nikola Tesla was an inventor who obtained around 300 patents [Snezana Sarbo, [http://www.tesla symp06.org/papers/Tesla Symp06 Sarboh.pdfNikola Tesla s Patents] , Sixth International Symposium Nikola Tesla,… …

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  • 50Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …

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