1. Toy chest?

The size of a speck of dust, this tiny box folded up all on its own when heated. Such an autonomous process is known as “self-assembly,” in which unorganized components form an organized structure solely through interaction with one another, with no outside direction. In this case, the researchers developed a 2-D pattern for a 3-D cube, using different metals for the “walls” than for the corners or “hinges.” When heated, the hinges balled up and in doing so pulled the walls of the pattern together, forming the box.


Credit: MRS

    Toy chest?

    The size of a speck of dust, this tiny box folded up all on its own when heated. Such an autonomous process is known as “self-assembly,” in which unorganized components form an organized structure solely through interaction with one another, with no outside direction. In this case, the researchers developed a 2-D pattern for a 3-D cube, using different metals for the “walls” than for the corners or “hinges.” When heated, the hinges balled up and in doing so pulled the walls of the pattern together, forming the box.

    Credit: MRS

Notes

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    Further reading/watching/listening on self-assembly, sometimes referred to as 4D printing: 4D Printing and the Future of...

About me

I am a collection of water, calcium and organic molecules called Zeni, but not a single one of the cells that compose me knows who I am, or cares ...so why should you?