What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

The Pascaline was invented by Blaise Pascal in 1642.Wikimedia Commons Art and luxury auction house Christie’s has withdrawn the world’s first calculating machine, designed by French mathematician ...

A United States commander said treaty allies South Korea, Japan and the Philippines could form a "strategic triangle" to contain China if military planners view the region from a nontraditional ...