Forget 3D, 4D is the future! The kinks are still being worked out, but this new technology could transform life here on Earth, and even outer space. Anthony tells us how. Read More: "Next, 4-D Printers?" http://bits.blogs.nytimes.com/2013/02/26/next-4-d-printers/?ref=business "Now that the promise of 3-D printing has landed on the national agenda, researchers want to increase the stakes – with so-called 4-D printing."