At one time a scientist or engineer trying to solve a tough problem with electronic computation had the choice of an analog computer, a digital computer, or both together in a hybrid configuration.

A “cheap as chips” open-source Analog Computer can run circles around a Raspberry Pi in solving differential equations and for simulating natural phenomena. To keep costs down, the Anabrid team ...

I'm sure nearly everyone has by now heard that Google “proved” the D-Wave 2 they operate jointly with NASA (mainly paid for by Google) can operate “up to ∼ 10 8 times faster”. If not, you might want ...