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Entangled 'verse … 10^n and 10^-n

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Astronomy Picture of the Day

See also https://apod.nasa.gov/

  • LDN 1295: The Giraffe Nebula
    LDN 1295: The Giraffe Nebula
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    Is this star winking at us? The central object in
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    Why are Saturn’s poles geometric?
  • (no title)
    The Pelican Nebula is slowly being transformed.
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  • (no title)
  • (no title)

  • Cosmic ‘bumps in the night’ – DSA advances radio astronomyJune 18, 2026
  • ‘The world will never fit inside an equation’April 18, 2026
  • Quantum physics beyond remembrances – decoherence reduxFebruary 16, 2026
  • AIsaysWhat.physics – the take of scrape – wavepacket chatOctober 25, 2025
  • AIsaysWhat.physics – the take of scrape – photon chatOctober 10, 2025
  • Chirality – the mirror mismatchJune 24, 2025
  • Enough cat in a box! – an isolation setupMay 12, 2025
  • Reframing spacetime – a stitch of events or pitch of timeMay 4, 2025
  • Senior health in space – longevity in freefallMay 3, 2025
  • Advancing QFT visualization – further demystification?December 28, 2024
  1. John Healy on Quantum physics beyond remembrances – decoherence reduxMarch 6, 2026

    Quantum coherence in the news • Seminar Day Promo > "Quantum Coherence as a Chemical Observable" by Caltech Alumni Relations…

  2. John Healy on AIsaysWhat.physics – the take of scrape – photon chatOctober 23, 2025

    Item #4 of Gemini's "Future Discussion Outline: Visualizing Wavepackets" addresses "The Heisenberg Uncertainty Principle." I'm glad that this topic is…

  3. John Healy on March for science – critical thinkingJuly 10, 2025

    COVID continues to be a wake-up call for better alignment between scientific consensus and public policy – the need to…

  4. John Healy on Feynman’s legacy — quantum originalityJune 24, 2025

    Here's more on that famous Feynman quote (as noted above on 4-23-2019), which deGrasse Tyson and Shatner may be paying…

  5. John Healy on Demystifying QFT – A quantum’s tail – no halfsiesJune 24, 2025

    Here's how Paul Sutter characterizes so-called quantum particles: • Space.com > "There's an infinite amount of energy locked in the…

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