The invention of the computer is often articulated like a three-act play: the idea of the computer arrives, then there is the process of how to make the computer and, finally, there is the creation.

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.

A quantum computer built using giant atoms controlled by laser light may be enough to imitate some functions of the brain, such as memory and decision-making. Rodrigo Araiza Bravo at Harvard ...