Folding paper into shapes such as a crane or a butterfly is challenging enough for most people. Now imagine trying to fold something that's about a hundred times thinner than a human hair and then putting it to use as an electronic device.
More at; http://www.sciencedaily.com/releases/2009/02/090227112309.htm
More at; http://www.sciencedaily.com/releases/2009/02/090227112309.htm