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Yukawa, Hideki

(Encyclopedia)Yukawa, Hideki hēˈdĕkē yo͞okäˈwä [key], 1907–81, Japanese physicist, grad. Kyoto Univ., 1929, Ph.D. Osaka Univ., 1938. He was professor of physics at Kyoto Univ. from 1939 to 1970. He receiv...

fluxional molecules

(Encyclopedia)fluxional molecules, molecules that exhibit rapid intramolecular rearrangements among their component atoms. As in structural isomerism and tautomerism (see isomer; tautomer), fluxional compounds main...

Kalam, A. P. J. Abdul

(Encyclopedia)Kalam, A. P. J. Abdul (Avul Pakir Jainulabdeen Abdul Kalam), 1921–2015, Indian scientist and political leader, studied St. Joseph's College, Tiruchirappalli (grad. 1954), Madras Institute of Technol...

New Taipei City

(Encyclopedia)New Taipei City tībāˈ [key], special municipality (2010 pop. 4,054,467), c.790 sq mi (2,050 sq km), N Taiwan, the most populous municipality in Taiwan. Formerly Taipei co., it was established as a ...

Thar Desert

(Encyclopedia)Thar Desert tär, tŭr [key] or Great Indian Desert, extensive arid region, c.500 mi (800 km) long and c.250 mi (400 km) wide, S Asia, in NW India and E Pakistan, between the Indus and Sutlej river va...

Rockville

(Encyclopedia)Rockville, city (1990 pop. 44,835), seat of Montgomery co., W central Md., a NW suburb of Washington, D.C.; settled c.1760s, inc. as a city 1860. It has several scientific research and technology labo...

Fukushima

(Encyclopedia)Fukushima fo͝oko͞oˈshĭmä [key], city, capital of Fukushima prefecture, N Honshu, Japan, on the Kiso ...

lepton

(Encyclopedia)lepton lĕpˈtŏnˌ [key] [Gr.,=light (i.e., lightweight)], class of elementary particles that includes the electron and its antiparticle, the muon and its antiparticle, the tau and its antiparticle, ...

Kissinger, Henry Alfred

(Encyclopedia)Kissinger, Henry Alfred kĭsˈənjər [key], 1923–2023, American political scientist and U.S. secretary ...

safety movement

(Encyclopedia)safety movement, widespread effort to prevent accidents that followed the increasing number of casualties in industry, traffic and transportation, and homes arising out of the Industrial Revolution an...