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Apollo Atomics
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Apollo Atomics
@ApolloAtomics
Apollo is building the most power-dense pressurized-water nuclear reactor. (YC P26)
Cambridge, MA
apolloatomics.com
Joined May 2026
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  • user avatar
    Apollo Atomics
    @ApolloAtomics
    Jul 25
    @ApolloAtomics is joining the AI for Nuclear Energy Consortium to help bring advanced artificial intelligence into the design, licensing, manufacturing, and operation of the next generation of nuclear systems. Led by @INL and established under the @ENERGY Genesis Mission, the
    123
  • user avatar
    Apollo Atomics
    @ApolloAtomics
    Jun 4
    ⚡️☢️
    user avatar
    Paul Graham
    @paulg
    Jun 4
    When Jessica and I spoke at YC last night there was a bright flash out behind the building. We were a bit nervous because there's a nuclear reactor startup in the batch that has a bunch of hardware back there. But apparently it was just a muni cable shorting out.
    669
  • user avatar
    Apollo Atomics
    @ApolloAtomics
    Jun 1
    🚀
    user avatar
    Assil Halimi
    @AssilHalimi
    Jun 1
    Just made it to the YC office. Demo Day loading… ⚛️ @ycombinator @DrewWal43470101
    925
  • user avatar
    Apollo Atomics
    @ApolloAtomics
    May 27
    Building the modern nuclear company.☢️
    user avatar
    Y Combinator
    @ycombinator
    May 27
    .@ApolloAtomics builds the most compact nuclear reactors with the highest uptime and a deployment time of less than 24 months. Apollo took the pressurized water reactor technology that already powers 80% of the world’s nuclear plants and flipped one part, the steam generator,
    00:00
    11K
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