--- title: A Nuclear Reactor Just Powered an AI Chip (For the First... description: Valor Atomics, a startup backed by the US military, successfully powered an Nvidia RTX Spark (Blackwell chip) using their Ward 250 nuclear reactor in Utah —... canonical: https://daily.dev/posts/a-nuclear-reactor-just-powered-an-ai-chip-for-the-first-time-ever--2wmnltgsq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A Nuclear Reactor Just Powered an AI Chip (For the First Time Ever) | daily.dev og:description: Valor Atomics, a startup backed by the US military, successfully powered an Nvidia RTX Spark (Blackwell chip) using their Ward 250 nuclear reactor in Utah —... og:url: https://daily.dev/posts/a-nuclear-reactor-just-powered-an-ai-chip-for-the-first-time-ever--2wmnltgsq og:image: https://api.daily.dev/og/posts/2WMnltGsQ.png og:image:alt: A Nuclear Reactor Just Powered an AI Chip (For the First Time Ever) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # A Nuclear Reactor Just Powered an AI Chip (For the First Time Ever) **[Tiff In Tech](https://daily.dev/sources/tiffintech)** · 1 min read · 0 upvotes · 0 comments ## Summary Valor Atomics, a startup backed by the US military, successfully powered an Nvidia RTX Spark (Blackwell chip) using their Ward 250 nuclear reactor in Utah — marking the first time a next-generation reactor outside a US national lab reached criticality and generated electricity for an AI chip. The demonstration ran at about a third of planned capacity and hosted a live website. The long-term goal is a facility 100,000 times larger to power full-scale AI data centers. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [The Download: a nuclear landmark, and China eyes Nvidia chips](https://daily.dev/posts/the-download-a-nuclear-landmark-and-china-eyes-nvidia-chips-mdalwn3rx) · MIT Technology Review · 0 upvotes · 0 comments --- Tags: [#nvidia](https://daily.dev/tags/nvidia), [#ai-infrastructure](https://daily.dev/tags/ai-infrastructure) [View this post on daily.dev](https://daily.dev/posts/a-nuclear-reactor-just-powered-an-ai-chip-for-the-first-time-ever--2wmnltgsq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"A Nuclear Reactor Just Powered an AI Chip (For the First Time Ever)","url":"https://daily.dev/posts/a-nuclear-reactor-just-powered-an-ai-chip-for-the-first-time-ever--2wmnltgsq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a-nuclear-reactor-just-powered-an-ai-chip-for-the-first-time-ever--2wmnltgsq"},"datePublished":"2026-07-27T16:46:16.085Z","dateModified":"2026-07-27T16:46:31.555Z","description":"Valor Atomics, a startup backed by the US military, successfully powered an Nvidia RTX Spark (Blackwell chip) using their Ward 250 nuclear reactor in Utah —...","image":"https://i.ytimg.com/vi/TsbbVvbAHJs/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/TsbbVvbAHJs/sddefault.jpg","isAccessibleForFree":true,"articleSection":"Tiff In Tech","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Tiff In Tech","logo":"https://media.daily.dev/image/upload/s--cw-MSz5l--/f_auto/v1724391415/logos/tiffintech","url":"https://daily.dev/sources/tiffintech"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/a-nuclear-reactor-just-powered-an-ai-chip-for-the-first-time-ever--2wmnltgsq","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"nvidia,ai-infrastructure","timeRequired":"PT1M","video":{"@type":"VideoObject","name":"A Nuclear Reactor Just Powered an AI Chip (For the First Time Ever)","description":"Valor Atomics, a startup backed by the US military, successfully powered an Nvidia RTX Spark (Blackwell chip) using their Ward 250 nuclear reactor in Utah —...","thumbnailUrl":"https://i.ytimg.com/vi/TsbbVvbAHJs/sddefault.jpg","uploadDate":"2026-07-27T16:46:16.085Z","duration":"PT1M","url":"https://api.daily.dev/r/2WMnltGsQ","embedUrl":"https://www.youtube.com/embed/TsbbVvbAHJs"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Tiff In Tech","item":"https://daily.dev/sources/tiffintech"},{"@type":"ListItem","position":3,"name":"A Nuclear Reactor Just Powered an AI Chip (For the First Time Ever)"}]} ```