Belkin Cablefree USB Hub (http://rbi.ims.ca/4921-544). Using ultrawideband (UWB) wireless technology that communicates up to 10m, stationary USB-equipped products connect to an untethered computer anywhere in the room. The four-port hub communicates with a USB-connected wireless dongle receiver mounted on the PC. Without requiring additional software, the unit provides instant high-speed wireless connectivity for any USB device. Even though this USB Hub does not require wires to connect to a computer, it still needs four USB connections for printers, scanners, MP3 players, Flash memory drives and more.
A German 3D printing company has released a large-volume 3D printer based on open-source RepRap technology and aimed at providing an affordable high-capacity plastic-filament printer for industrial users.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.