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electromagnet

(Encyclopedia)CE5 Electromagnet electromagnet, device in which magnetism is produced by an electric current. Any electric current produces a magnetic field, but the field near an ordinary straight conductor is ...

Gunpowder Plot

(Encyclopedia)Gunpowder Plot, conspiracy to blow up the English Parliament and King James I on Nov. 5, 1605, the day set for the king to open Parliament. It was intended to be the beginning of a great uprising of E...

hassium

(Encyclopedia)hassium hăsˈēəm, häsˈ– [key], artificially produced radioactive chemical element; symbol Hs; at. no. 108; mass number of most stable isotope 277; m.p., b.p., sp. gr., and valence unknown. Situ...

binocular

(Encyclopedia)CE5 Binocular binocular, small optical instrument consisting of two similar telescopes mounted on a single frame so that separate images enter each of the viewer's eyes. As with a single telescope...

nuthatch

(Encyclopedia)nuthatch nŭtˈhăch [key], common name applied to a number of Old and New World species of small birds of the genus Sitta, related to the titmouse and the creeper. The name refers to its habit of wed...

Montparnasse

(Encyclopedia)Montparnasse môNpärnäsˈ [key], quarter of Paris, on the left bank of the Seine River, centering on the intersection of the Boulevard de Montparnasse and the Boulevard Raspail. Its famous cafés (t...

mores

(Encyclopedia)mores môrˈāz [key], concept developed by William Graham Sumner to designate those folkways that if violated, result in extreme punishment. The term comes from the Latin mos (customs), and although ...

nail, in carpentry

(Encyclopedia)nail, metal pin driven by force applied at one end into pieces of material, usually wood, to join them together. The strength of a nailed joint depends on the properties of the wood, the type and numb...

MacKinnon, Roderick

(Encyclopedia)MacKinnon, Roderick, 1956–, American biochemist, b. Burlington, Mass., M.D. Tufts Univ., 1982. MacKinnon was on the faculty at Harvard Medical School from 1989–96 and has been a professor at the H...

Roth, Cecil

(Encyclopedia)Roth, Cecil, 1899–1970, Jewish historian and educator, b. London. He was educated at Oxford (Ph.D., 1924) and was reader in Jewish Studies there from 1939 to 1964. Thereafter he was visiting profess...