Surprisingly, drum memory–a similar technology to a modern ... could have a clockwise magnetic field or a counterclockwise field. A sense wire allowed the memory controller to determine what ...

NASA's THEMIS mission proves a 45-year-old theory that the outer boundary of Earth's magnetic field vibrates like a drum. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

One of the earliest and most influential examples of artificial intelligence was Christopher Strachey's draughts (checkers) program, developed between 1951 and 1952. Strachey, a schoolmaster and ...