Mould effect

English

Etymology

Named after Steve Mould, science presenter who popularized the effect in a YouTube video.

Proper noun

the Mould effect

  1. A counterintuitive physical phenomenon observed with a chain of beads placed inside a jar: when one end of the chain is yanked from the jar and allowed to fall to the floor, it establishes a self-sustaining flow of the chain which rises up into an arch as if being sucked by an invisible siphon.

Synonyms
  • chain fountain
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