Question: Simulate atomic close packing with a couple dozen or so pennies. Arrange them in a square pattern so each penny inside the perimeter makes contact

Simulate atomic close packing with a couple dozen or so pennies. Arrange them in a square pattern so each penny inside the perimeter makes contact with four others. Then arrange them hexagonally, so each is in contact with six others. Compare the areas occupied by the same number of pennies close packed both ways.

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