A computer that processes analog data is known as an analog computer. Analog computers store information in physical quantities in a continuous format and use measurements to perform computation.

The Antikythera mechanism has long been treated as a one-off marvel, a relic so far ahead of its time that some doubted ancient artisans could really have built it. Yet as new dives, new simulations, ...

When a molecule absorbs light, it undergoes a whirlwind of quantum-mechanical transformations. Electrons jump between energy levels, atoms vibrate, and chemical bonds shift—all within millionths of a ...