Open-Weave Microlattice Foam Absorbs Impacts, Stays Cool

Dec-01-19 A microlattice foam with an innovative interlinked structure could improve the impact absorption of helmets while also helping keep the wearer cool.

The foam created by scientists from the University of California-Santa Barbara and the US Army features an elastic, microlattice structure with an open pattern compared to that of the Eiffel Tower. This open weave allows air to pass through while remaining strong, and can even be tuned during manufacturing to suit different needs, such as for bike helmets or football helmets. In tests, the foam was able to 48 percent more energy during repeated impacts than a top alternative.

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