‘Chinese lantern’ material snaps into 13 shapes using stored elastic energy

A new kind of shape-shifting material can twist, bend, and snap into more than a dozen three-dimensional forms—no motors or ...

The Core of PPAP is the Approval of 18 Documents

The core of PPAP is the approval of 18 documents.Although there is a standard list of PPAP documents, it is not fixed; differences in customer requirements, products, and suppliers may lead to ...