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    Q&A - Helion Energy, NIF, Space and more

    Improbable Matter

    2 HN recommenders · recommended in 3 months, 2023

    YouTube

    3:19:02 · 151K views · Jan 28, 2023

    A roughly three-hour technical livestream Q&A on Helion Energy's fusion approach and the National Ignition Facility. It covers neutron production, shielding, energy recovery, diagnostics and why tokamaks might fare better.

    HN commenters cite it as a detailed critical counterpoint to Helion's claims, for those who want more than the hype.

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    4 comments from Hacker News

    1. @nabakinSep 2023· in “Nucor and Helion to Develop 500 MW Fusion Power Plant by 2030”

      Additional resources for people who want to read or watch more on the subject: this video [LINK] /u/ValAslanyan is Improbable Matter and he gets into some interesting debates about Helion [LINK] [LINK]

      RecommendsView on HN
    2. @fpolingJan 2023· in “When Will Fusion Energy Light Our Homes?”

      The new video by the same guy who created the original criticism this video starting from 2:03:00 explains that 95% recovery efficiency is not the whole story.

      RecommendsView on HN
    3. @fpolingJan 2023· in “When Will Fusion Energy Light Our Homes?”

      The new video by the same guy this video from 32 min describes how Helion will get a lot of D+T neutrons from the secondary reactions despite all their efforts. Even without that the neutron flux from D+D reaction by Helion own admission will be enough to do a lot of damage within days of operation based on experience with slower fission neutrons.

      CriticalView on HN
    4. @jnsaff2May 2023· in “Helion’s fusion power purchase agreement with Microsoft”

      The Q&A mentioned is likely this [0]. Do you have any hints which section would cover the upsides? [0] this video

      CitesView on HN