Computing
2 breaks
The ideas inside the machines we use all day.
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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…
How a computer adds 7 + 1 using nothing but switches
A computer chip has no idea what numbers are. It only has switches: billions of transistors that are either on or off. Yet wire a few of those switches into…