3D printers aren’t just for DIY doodlers. They can help seniors and others with limited mobility manufacture cheap gadgets for doing routine tasks like opening jars and putting on socks. Senior citizens might really like–and use–a 3D printer. That’s the surprising, and money-saving, conclusion of a new study I coauthored: 3D printers can save arthritis patients money by more cheaply manufacturing plastic gadgets that help them do routine tasks like open jars and put on socks.Read Full Story