News tagged with traffic light

Safe navigation for visually impaired persons

Blind and visually impaired persons find it very difficult to move about in unknown environments. The white canes used by them are still the preferred tools for orientation. The project "A Mobility and Navigational ...

Sep 09, 2013
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Quantum cryptography goes maintream

(Phys.org)—Researchers from Toshiba and the Department of Engineering have perfected a technique that offers a less expensive way to ensure the security of high-speed fibre-optic cables, protecting communication ...

Dec 05, 2012
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