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DK Science & Technology: New Materials

HOW ARE NEW MATERIALS MADE? WHAT PROPERTIES SHOULD NEW MATERIALS HAVE? WHY IS CARBON FIBER SO STRONG? SMART MATERIALSFIND OUT MOREMaterials scientists combine atoms in new ways to produce new…

Guide to Spelling: Hooked on Phonics: See and Say

See and SayGuide to Spelling: Hooked on PhonicsIntroductionIf U Cn Reed This …Quick and Dirty Tricks of the TradeAttaching Prefixes and Suffixes: Bits and PiecesContractions: Suck It InFollow the…

Reiner, Carl

(Encyclopedia) Reiner, Carl, 1922-2020, American comedian, television producer, actor, and film director, b. Bronx, N.Y. The son of a watchmaker,…

Botswana

(Encyclopedia) CE5 Botswana Botswana bŏtswäˈnə [key], officially Republic of Botswana, republic (2020 est. pop…

DK Space: Astronauts

WHAT KINDS OF TASKS DO ASTRONAUTS PERFORM? HOW DO ASTRONAUTS TRAIN FOR THEIR MISSIONS? EXTRAVEHICULAR ACTIVITIESFIND OUT MOREAnyone who travels in space is called an astronaut. The Russians call…

J - M

William JaggardThomas JamesJeremiah Whipple JenksGeorg JensenNicolas Jenson William Stanley JevonsSteve JobsJohn of SpeyerEldridge Reeves JohnsonEmory Richard JohnsonHoward JohnsonTom Loftin…

Sports Superstitions

We all hear popular superstitions when the 13th day of the month falls on a Friday. And no player wants to wear the number 13. It is said that superstitions have been…

Thanksgiving Day Parade

  Thanksgiving Day Parade   A holiday tradition celebrates its 75th anniversary   by John Gettings     For three-quarters of a century the Macy's…

nonmetal

(Encyclopedia) nonmetal, chemical element possessing certain properties by which it is distinguished from a metal. In general, this distinction is drawn on the basis that a nonmetal tends to accept…

Mayne, Thom

(Encyclopedia) Mayne, Thom, 1944–, American architect, b. Waterbury, Conn., grad. Univ. of Southern California (B.A., 1968), Harvard (M.A., 1978). In 1972 Mayne cofounded the firm Morphosis in Santa…