Joris Laarman 3DPrinter prints metal in air

*I'd suggest checking out that Core77 post, because this video looks like design-fiction, and it isn't.

http://www.core77.com/blog/digital_fabrication/joris_laarmans_latest_anti-gravity_3d_printer_basically_conjures_metal_out_of_thin_air_26474.asp

"As its name suggests, MX3D-Metal can print lines of steel, stainless steel, aluminum, bronze or copper 'in mid-air.'