This 1975 photo provided by Gates Ventures shows Microsoft founder Bill Gates holding a printout of the computer coding that launched the software maker. (Ian Allen/Gates Ventures via AP) Even as he ...

Physicists have created a new computer code that could speed up the design of the complicated magnets that shape the plasma in stellarators, making the systems simpler and more affordable to build.

The new science of “emergent misalignment” explores how PG-13 training data — insecure code, superstitious numbers or even extreme-sports advice — can open the door to AI’s dark side. There should ...