General view of a young boy posed holding a block of Styrofoam over his head to demonstrate the product's buoyant and lightweight properties.
Invented in 1941 by researchers in Dow's Chemical Physics Lab, "Styrofoam" properly refers to the Dow Chemical Company’s trademarked brand of closed-cell extruded polystyrene foam commonly used for thermal insulation and craft applications.
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Dow Chemical Company. “Child Posed with Block of Styrofoam,” 1946. Dow Chemical Company Historical Image Collection, Box 4, Folder Products--Styrofoam. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/70795819f.
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