Computing
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The ideas inside the machines we use all day.
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Why 0.1 + 0.2 isn't 0.3: flip the 64 bits a computer uses for decimals
Type 0.1 + 0.2 into almost any programming language and you get 0.30000000000000004. Nothing is broken. Computers count in powers of two, and a tenth is an…
How computers fake grey using only black and white dots
Old Mac screens, cheap printers and some modern games can only show two colours: black and white. Yet they still draw soft shadows and smooth skies. The trick…