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Exercise

Cylinders on a sheet of paper

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Related concepts (2)

Anti-ballistic missile

An anti-ballistic missile (ABM) is a surface-to-air missile designed to counter ballistic missiles (missile defense). Ballistic missiles are used to deliver nuclear, chemical, biological, or conventional warheads in a ballistic flight trajectory. The term "anti-ballistic missile" is a generic term conveying a system designed to intercept and destroy any type of ballistic threat; however, it is commonly used for systems specifically designed to counter intercontinental ballistic missiles (ICBMs).

Andrew Carnegie

Andrew Carnegie (kɑrˈnɛːɡi, kɑrˈnɛɡi ; November 25, 1835 - August 11, 1919) was an American industrialist and philanthropist. Carnegie led the expansion of the American steel industry in the late 19th century and became one of the richest Americans in history. He became a leading philanthropist in the United States, Great Britain, and the British Empire. During the last 18 years of his life, he gave away around

350 million (roughly

billion in ), almost 90 percent of his fortune, to charities, foundations and universities.