Now they have something that works like a flatbed document scanner, with a scanning head containing either six or 12 light-emitting diodes, each emitting light of a specific wavelength between 350 nanometres (ultraviolet) and 800 nanometres (infra-red).

ECONOMIST: Monitor

Patients with subretinal light sensitive implants, however, perceive the shapes of objects naturally from the first day of implantation onwards without reorganisation of the spatial assignments of electrodes by an image processor and without scanning movements of the head.

FORBES: Second Test Of Retinal Implant Shows Restored Vision To The Blind

More than that, I like scanning the frame in great sweeps and even sometimes turning my head to follow the action.

WSJ: A Front-Row Seat at the Movies

On the stunted commercial street in town, there were three places still open for business, one of them the diner, and I ate there once and stuck my head in the door two or three times, scanning the booths.

NEWYORKER: Midnight in Dostoevsky

Ideas floated for study include using advanced scanning techniques and genetics to fuel knowledge about who is most at risk for head injury, finding ways to regrow knee ligaments in a lab, identifying injury prevention strategies such as new drugs or new helmets, and addressing ethical issues surrounding player injuries.

CNN: STORY HIGHLIGHTS