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Penn Engineer's 'Metallic Wood' has the Strength of Titanium and the Density of Water - R & D Magazine
Penn Engineer's 'Metallic Wood' has the Strength of Titanium and the Density of Water  R & D Magazine

A microscopic sample of the researchers' "metallic wood." Its porous structure is responsible for its high strength-to-weight ratio, and makes it more akin to ...

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