Nvidia CEO Jensen Huang has been warned by U.S. Senators to avoid engaging with Chinese companies linked to military or intelligence operations during his upcoming China visit. The bipartisan concern follows fears that Nvidia's actions could aid China's AI and chip development despite export control laws.

Nvidia has been grappling with export controls on its AI chips implemented by the Trump administration in April for national security reasons.

Thanking Elon Musk, Ruddarraju said reporting to the billionaire and getting direct teachings from him was the best part of his stint at xAI.

Uday Ruddarraju, xAI's head of infrastructure engineering, has resigned after a year, having been instrumental in building the Colossus supercomputer