Scattering grains of sand across a stone is one of the oldest and most primitive computing methods there is. Called geomancy, it is a divination technique that has been used for over a 1,000 years to ...

What constraints govern the physical process of computing? Is a minimum amount of energy required, for example, per logic step? There seems to be no minimum, but some other questions are open Editor's ...

MIT Press recently published Fundamental Proof Methods in Computer Science, a book by Konstantine Arkoudas and David Musser, a professor emeritus of computer science at the Rensselaer Polytechnic ...