[HN Gopher] The Hoyle State (2021)
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The Hoyle State (2021)
Author : gone35
Score : 39 points
Date : 2025-07-01 18:07 UTC (4 hours ago)
(HTM) web link (johncarlosbaez.wordpress.com)
(TXT) w3m dump (johncarlosbaez.wordpress.com)
| libraryofbabel wrote:
| > I find the failed theories of the 1800s inspiring, and the
| recent ones merely depressing, since for decades I've had to
| watch seemingly intelligent scientists cling to these recent
| theories despite their lack of success.
|
| what's he referring to here? String theory?
| lambda wrote:
| The anthropic principle, which he discusses and rolls his eyes
| at.
| layer8 wrote:
| Part II vs. Part I here, it seems:
| https://global.oup.com/academic/product/higher-speculations-...
| IAmBroom wrote:
| I feel like he may be romanticizing the past. Wasn't it one of
| the Copenhagen Interpretation founders who said, "Good ideas
| succeed after the old generation opposing them die off" ? (Very
| rough quote, but I can't find it in a search.)
| FiatLuxDave wrote:
| You are probably thinking of:
|
| "A scientific truth does not triumph by convincing its
| opponents and making them see the light, but rather because
| its opponents eventually die and a new generation grows up
| that is familiar with it." - Max Planck
| terminalbraid wrote:
| The author says "an ordinary beryllium nucleus, 8Be, is made of 4
| protons and 4 neutrons". This is absolutely untrue as 9Be is the
| "ordinary" beryllium nucleus. It is in fact one of the best and
| lowest mass examples of nuclear "magic numbers" having
| inconsistencies.
|
| 8Be has a halflife of attoseconds and a mass _greater_ than two
| alpha particles therefore isn 't even a bound state. I'd be hard
| pressed to even attach the label nucleus to it in the sense that
| an atom could form around it.
|
| https://en.wikipedia.org/wiki/Beryllium-8
|
| That extra neutron is somewhat important.
| gmueckl wrote:
| Oof, that is a major error. I'm wary of explanations in nuclear
| physics that try to describe bound particles with a classical
| air of everything being nicely localized.
| chasil wrote:
| This remends me of HB11 fusion that has been discussed here
| before.
|
| https://en.m.wikipedia.org/wiki/Aneutronic_fusion
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