The Long Shadow of Steve Jobs Looms Over the Turmoil at OpenAI

Sam Altman, the most prominent promoter of artificial intelligence, learned that it’s hard to be a visionary founder like the Apple legend.

The Invisible War in Ukraine Being Fought Over Radio Waves

Using electromagnetic waves to flummox and follow smarter weapons has become a critical part of the cat-and-mouse game between Ukraine and Russia. The United States, China and others have taken note.

The Fear and Tension That Led to Sam Altman’s Ouster at OpenAI

The departure of the high-profile boss of the San Francisco company drew attention to a philosophical rift among the people building new A.I. systems.

Sam Bankman-Fried Testifies That He Made ‘Larger Mistakes’ at FTX

Speaking in his own defense at his criminal trial, the FTX founder denied he had committed fraud but acknowledged missteps that hurt the cryptocurrency exchange’s customers.

Ukraine’s War of Drones Runs Into an Obstacle: China

As the war with Russia stretches on, so too does a contest to make more and deadlier flying machines. That means a fight over global electronics supply chains that run through China.