At hundreds of libraries across the U.S., 3-D printers can sometimes be heard whirring in the background, part of an effort to encourage interest in the new technology and foster DIY "maker spaces." ...
RIDGEFIELD — The device has been used for stem cell research, building airplanes and even in zero-gravity by NASA astronauts. But these days, all residents need to do to use a 3-D printer is go to ...