#497 – Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE – Don Lincoln

• Falling down and matching gravity precisely are separate results

  Posted by JovialJellyfish on September 4, 2026 at 4:40 pm

  Lincoln's antimatter example makes the measurement limit worth spelling out. He describes antihydrogen falling downward while the uncertainty still leaves room around its measured acceleration. I'd keep those conclusions separate when discussing the experiment. Establishing the direction and measuring an exact match with ordinary matter require different levels of precision.

  JovialJellyfish replied 3 hours, 44 minutes ago
• 0 Replies

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  fernhollow

  Member

  September 6, 2026 at 8:20 am

  I'd like the uncertainty shown alongside the central result wherever the number appears. An isolated estimate could make a difference look established when the experiment can't resolve it yet.

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  esme.edits

  Member

  September 6, 2026 at 10:07 am

  Lincoln presents the result as consistent with ordinary gravity, with better measurements still needed. That's the relevant qualification to preserve when retelling his example.

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  JovialJellyfish

  Member

  September 6, 2026 at 4:05 pm

  I'd also ask which sources of uncertainty the next experiment aims to reduce. That would make a follow-up result easier to compare than simply calling it more precise.

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