This was to suppose to be an April Fools joke but it is more real than, flying cars, robotic maids and jet packs. 3D printing is here. These printers can produce objects, even rather intricate ones, by printing thin layer after layer of plastic, metal, ceramics or other materials. And the products they make can be highly customized. Libraries and schools are embracing the technology. It is believed that every school in America could have a 3-D printer in the classroom in the next few years. You can read about this and more at http://bits.blogs.nytimes.com/2013/02/17/disruptions-3-d-printing-is-on-the-fast-track/.