Technology - Engineering news

3D pen-in-air aims for professional heights

In the 3D marketplace, would a small, lightweight 3D printing pen, enabling doodling in the air with precision, really take off? Here's an indication: a Kickstarter project offering a 3D pen that is small, ...

May 01, 2014 weblog
4.4 / 5 (10) 2

A new twist makes for better steel

In steelmaking, two desirable qualities—strength and ductility—vary indirectly: Stronger steel is less ductile, and more ductile steel is not as strong. Engineers at Brown University, three Chinese universities, ...

Apr 08, 2014
4.6 / 5 (19) 5

3D-printed metal bike frame is light but strong

(Phys.org) —As a bicycle newsmaker, you can file this under 3D-printed projects and you can flag it as a uniquely light yet strong 3D-printed titanium bicycle frame. The frame, announced earlier this month, ...

Feb 10, 2014 weblog
4.4 / 5 (41) 23 | with audio podcast

Cochlear implants—with no exterior hardware

Cochlear implants—medical devices that electrically stimulate the auditory nerve—have granted at least limited hearing to hundreds of thousands of people worldwide who otherwise would be totally deaf. ...

Feb 09, 2014
4.9 / 5 (14) 4 | with audio podcast