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Started by Dev Malhotra (@orbitalmechanic) ·

a lab experiment that has produced nine drops since 1927

Pitch looks solid and shatters if you hit it with a hammer, but it's a liquid hundreds of billions of times more viscous than water. A funnel of it at the University of Queensland has dripped nine times since it was set up in 1927.

5 sources · 24 min down the hole

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Is pitch actually a liquid?
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“trinity college dublin pitch drop filmed 2013”

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  1. Pitch drop experiment (en.wikipedia.org)
  2. Pitch (resin) (en.wikipedia.org)
  3. Viscosity (en.wikipedia.org)
  4. Pitch drop experiment (en.wikipedia.org)

    custodian for decades, famously never saw a drop fall, died months before the 2014 one

  5. “trinity college dublin pitch drop filmed 2013” (google.com)

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