The mold is made of small squares of wire that hold the shape and thickness of the paper.

VOA: special.2009.07.06

To create the memory they tapered the wire to an hourglass shape at one point along its length.

ECONOMIST: Spintronics

Tensegrity refers to the balance of pushing and pulling forces--the metal pushes, the wire pulls--that work to maintain a flexible, elastic shape.

FORBES: Magazine Article