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The answer to life, the universe and everything
In Douglas Adams' 'The Hitchhiker's Guide to the Galaxy', the supercomputer Deep Thought after 7.5 million years of computation gave the answer to 'the Ultimate Question of Life, the Universe and Everything' — 42. The number became a cultural meme of the era.
Culture
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42 — the answer to the ultimate question
In Douglas Adams' The Hitchhiker's Guide to the Galaxy, the supercomputer Deep Thought spent 7.5 million years calculating the answer to the ultimate question of life, the universe and everything. The answer: 42.
Culture
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42 lines — Gutenberg Bible
The Gutenberg Bible (1455) — the first book printed with movable type — had 42 lines on each page. This revolutionary invention forever changed the spread of knowledge in Europe.
History
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Article 42 of the Magna Carta
Magna Carta 1215, Article 42: guaranteed freedom of movement — the right to leave England and return. The first written law on freedom of movement.
History
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42° — the radius of the primary rainbow
42° is the exact radius of the primary rainbow. Nature knew Adams' answer long before his novel: every rainbow is 42 degrees of pure mathematics.
Science
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42 — the angle of a rainbow
A rainbow always appears at exactly 42 degrees from the direction of the Sun. This is explained by the refraction of light in spherical water droplets. René Descartes calculated this angle back in 1637.
Science