In addition to working on transatlantic cables and thermodynamics, he also built an early computing device to predict tides. Kelvin, whose real name was William Thomson, became interested in tides ...

When I was young the first “computer” I ever ... Quickly becoming bored with addition and subtraction we move up to multiplication. Using a venerable Analog Devices AD633 four quadrant ...

A thermometer is a simple analog computer. As the temperature varies, the mercury moves correspondingly. A slide rule is another example. Although special-purpose, complex analog computers are ...