The Antikythera mechanism is an ancient analog computer designed to predict astronomical positions and eclipses for calendrical and astrological purposes, as well as the Olympiads, the cycles of the ancient Olympic Games.
Scientists have stored audio and text on fragments of DNA and then retrieved them with near-perfect fidelity—a technique that eventually may provide a way to handle the overwhelming data of the digital age.
Dad wants to teach kids about CPU and computer logic machine. Ends up building mechanical analogy with a control unit, memory registers, buses and functioning clock
Kelvin's Harmonic Analyser Lord Kelvin used calculating machines to predict tides in harbors—critical for an island nation! Integrators enabled him to solve differential equations, but their limited torque curtailed the machine’s utility.
A Mechanical Maze Traps You In, By Rearranging Itself