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 ...

The staircases at the D.C. Public Library’s main branch, the Martin Luther King Jr. Memorial Library, are winding and dark. You’re likely to hear an unfamiliar patron say, “Am I supposed to be in here ...