Computing is hitting a physical and economic wall just as generative artificial intelligence explodes in complexity and cost.

Hollywood has a long history of grossly exaggerating hacking scenes. A nerdy guy hacking into a large corporation in seconds with just a few keystrokes is a classic example of an overused movie trope.

SAN JOSE, Calif., — Scientists at IBM’s Almaden Research Center have performed the world’s most complicated quantum-computer calculation to date. They caused a billion billion custom-designed ...

So, you start seeing signs that your computer is getting too old — the screen keeps freezing, the hardware starts making weird noises, and the system is unbearably slow. And now, you need a ...