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skin patch

(Encyclopedia)skin patch, transdermal patch, or transdermal delivery system, adhesive patch used to deliver a controlled dose of a drug through the skin over a period of time. A skin patch uses a special membrane ...

Adams, John Couch

(Encyclopedia)Adams, John Couch, 1819–92, English astronomer, grad. St. John's College, Cambridge, 1843. By mathematical calculation based on irregularities in the motion of Uranus, he predicted the position of t...

Zao Wou-Ki

(Encyclopedia)Zao Wou-Ki or Chao Wu-chi, 1920–2013, Chinese-French painter who combined a traditional Asian sensibility with Western abstraction. He studied ink painting and calligraphy as well as Western art tec...

Arendt, Hannah

(Encyclopedia)Arendt, Hannah hänˈä ärˈənt [key], 1906–75, German-American political theorist, b. Hanover, Germany, B.A. Königsberg, 1924, Ph.D. Heidelberg, 1928. In 1925 she met Martin Heidegger, who great...

intelligent design

(Encyclopedia)intelligent design, theory that some complex biological structures and other aspects of nature show evidence of having been designed by an intelligence. Such biological structures are said to have int...

electronics industry

(Encyclopedia)electronics industry, the business of creating, designing, producing, and selling devices such as radios, televisions, stereos, computers, semiconductors, transistors, and integrated circuits (see ele...

Hals, Frans

(Encyclopedia)Hals, Frans fräns häls [key], c.1580–1666, Dutch painter of portraits and genre scenes, b. Antwerp. Hals spent most of his life in Haarlem, where he studied with Karel van Mander and became (1610)...

horseshoe pitching

(Encyclopedia)horseshoe pitching, game played by two or more persons using horseshoes, the object being to throw the shoes so as to encircle a vertical iron peg that is 14 in. (35.6 cm) high. Regulation courts are ...

Eigen, Manfred

(Encyclopedia)Eigen, Manfred, 1927–2019, German biophysicist, Ph.D. Univ. of Göttingen, 1951. Eigen was on the faculty at the Univ. of Göttingen from 1951 to 1953. He joined the Max Planck Institute for Physica...

Sea Peoples

(Encyclopedia)Sea Peoples, modern term for any of the groups of people who attacked Egypt and the E Mediterranean by sea and sometimes by land c.1200 b.c. They are recorded as having fought in battles with Egypt du...