Unlike digital computers that crunch information in binary, the AOC embodies computations in physical systems. This avoids ...

Australia is making a billion-dollar bet on a "useful" quantum computer in the Queensland capital, but surprisingly few experts agree on what the nation will get in return for its investment.

Now, the machine that served as the starter computer for many old-school gamers is making a comeback of sorts.

But when IBM stamped its name on its first personal computer 20 years ago this Sunday, the PC's place as a fixture of home and business life was all but assured.

They're known as CNC or computer-numerical-control machines. A California company is making low-cost CNC machines that will help in the classroom.