“Two cups, one is thin and one is fat and pour water from…” — The Knowledge Project at 40:25
“Two cups, one is thin and one is fat and pour water from one to another. And children who are small think that pouring the water changes the amount in the glass. And you ask them to explain. And children on the cusp of getting that idea will gesture something like pouring before they can articulate it. So they've got…”
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