"Mould effect" meaning in English

{
  "etymology_text": "Named after Steve Mould, science presenter who popularized the effect in a YouTube video.",
  "forms": [
    {
      "form": "the Mould effect",
      "tags": [
        "canonical"
      ]
    }
  ],
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    {
      "args": {
        "def": "1"
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      "expansion": "the Mould effect",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
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          "name": "English entries with incorrect language header",
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      "glosses": [
        "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."
      ],
      "id": "en-Mould_effect-en-name-aM8YCQ~~",
      "links": [
        [
          "counterintuitive",
          "counterintuitive"
        ],
        [
          "physical",
          "physical"
        ],
        [
          "phenomenon",
          "phenomenon"
        ],
        [
          "chain",
          "chain"
        ],
        [
          "bead",
          "bead"
        ],
        [
          "jar",
          "jar"
        ],
        [
          "flow",
          "flow"
        ],
        [
          "arch",
          "arch"
        ],
        [
          "siphon",
          "siphon"
        ]
      ],
      "synonyms": [
        {
          "word": "chain fountain"
        }
      ],
      "wikipedia": [
        "Chain fountain",
        "Steve Mould",
        "YouTube"
      ]
    }
  ],
  "word": "Mould effect"
}

{
  "etymology_text": "Named after Steve Mould, science presenter who popularized the effect in a YouTube video.",
  "forms": [
    {
      "form": "the Mould effect",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1"
      },
      "expansion": "the Mould effect",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
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        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns"
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      "glosses": [
        "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."
      ],
      "links": [
        [
          "counterintuitive",
          "counterintuitive"
        ],
        [
          "physical",
          "physical"
        ],
        [
          "phenomenon",
          "phenomenon"
        ],
        [
          "chain",
          "chain"
        ],
        [
          "bead",
          "bead"
        ],
        [
          "jar",
          "jar"
        ],
        [
          "flow",
          "flow"
        ],
        [
          "arch",
          "arch"
        ],
        [
          "siphon",
          "siphon"
        ]
      ],
      "wikipedia": [
        "Chain fountain",
        "Steve Mould",
        "YouTube"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "chain fountain"
    }
  ],
  "word": "Mould effect"
}