Prosthetic hands, robots … and who knows what?

A couple of weeks before school started this year, Casey Harris was attending a charter school conference in Durham when he came across a 3D printer in one of the displays.

The man manning the booth demonstrated the machine by printing a replica of an inner ear.

3D printing produces three-dimensional solid objects from a digital file by printing, or laying down, successive layers of material until an object is complete. Read more here…