Physicists have coaxed particles of light into undergoing opposite transformations simultaneously, like a human turning into a werewolf as the werewolf turns into a human. In carefully engineered ...

After the transistor came of age, there was still room for the venerable vacuum tube in the burgeoning world of electronics. But even though that world is getting bigger, its parts are getting smaller ...

Chaotic circuits can arise from either computed (using Analog Computers or Digital Computers) solutions to coupled differential equations or from unstable systems/circuits. A new open-source circuit ...