He also demonstrates another smart foam structure which changes when a current is fed through it.

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It is controlled by a human inside the aluminium, fibreglass and foam structure.

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Over that, they attach a half-inch layer of foam to give the structure some yield for little climbers.

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If they are working late into the night, the young architects might toss a tatami mat or thick piece of foam on top of the structure and crash.

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Using cross links within the foam's particle arrangement, regardless of how much the structure is compressed, it'll spring back to the predesigned shape.

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