When you've got a device to unload, uSell will search multiple buyer sites for the best offer.
A South Korean supermarket chain is testing a system that lets commuters buy groceries while waiting for the train.
Lenticular lens technology gives iPhones, iPads and monitors 3D without the glasses.
Concept bicycle would use a neurotransmitter helmet to measure brain waves and a transmitter to send that info to a gear shifter.
The rollerball pen dispenses conductive silver ink, enabling electrical circuits to be drawn directly on paper and other surfaces.
Sun and sand are tapped to print three-dimensional objects.
Materials store memory and process information simultaneously, just like real neurons.
The technology allows a car to drive semi-automatically at speeds of up to 80 mph on highways.
ABout 40 photos are enough to create an interactive, 3-D image.
One way to turn electronic waste into art.