Investors bullish on AI data centers may be fueling Nvidia’s multitrillion-dollar market capitalization, but the AI chipmaker has also bet billions of dollars on physical AI technologies such as robotics and self-driving cars. Part of that gambit has involved developing a full-stack safety system that companies can build upon to reduce the risk of their machines harming nearby people.

Nvidia's Halos system launched in 2025 with hardware and software tools to help developers implement guardrails in self-driving cars and other autonomous vehicles. Then the company expanded its safety architecture to more physical AI technologies by announcing Nvidia Halos for Robotics in June 2026—with the goal of enabling safe deployments of autonomous mobile robots in warehouses, humanoid robots walking around inside a factory, or even surgical robots.

“Now the AI models are getting capable, the robot hardware is getting capable, and a thing we thought is going to be the next bottleneck is safety,” Amit Goel, head of robotics ecosystem and edge computing at Nvidia, told Ars. “So that's why we launched our Halos for Robotics to unlock the capability of these systems.”

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Drones sank two cargo ships and damaged a third in the exclusive economic zones of NATO member countries for the first time, killing at least two sailors. The attacks represent a notable escalation as Black Sea commercial shipping has increasingly come under attack during the Russian invasion of Ukraine, with Russia also being accused of carrying out “hybrid warfare” incidents across Europe.

The Togo-flagged cargo ship Alfa Watan sank, and the Palau-flagged cargo ship Able was set ablaze after being attacked by multiple sea and aerial drones about 80 miles (128 kilometers) off the coast of Bulgaria on October 6, according to the Associated Press. In an interview, Bulgarian Prime Minister Rumen Radev described the incidents as “an unacceptable attack in Bulgaria’s exclusive economic zone” and “a blatant violation of international law and maritime law.”

A Bulgarian ferry managed to evacuate the 18 crew members of the Able, with two severely injured mariners being flown to a hospital in the city of Varna.

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