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Lightest Metal Ever Made is 99.99% Air
Sophia Yang, research scientist at HRL Laboratories (a corporate research-and-development laboratory owned by The Boeing Company and General Motors), describes the development of a groundbreaking microlattice. At 99.99% air, it is the lightest metal ever made and is light enough to balance on top of a dandelion, while its structure makes it strong. The mircolattice is a 3D open cellular polymer structure and is comparable to a bone structure, where the outside of the bone is rigid and the inside is mostly hollow. Strength and record-breaking lightness make it a potential metal for future planes and vehicles.
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