
Valar Atomics powers Nvidia AI chip with nuclear microreactor in US first
A two-year-old nuclear startup has done something no American company has done before: run an Nvidia AI chip directly off a compact nuclear reactor. Valar Atomics Inc. demonstrated its Ward 250 microreactor producing live power for Nvidia’s Blackwell architecture on July 1, 2026, at a small data center in Utah. The milestone marks the first […]










