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A comment on Ten-year-old invents light-up crosswalks, IBM makes them real. Parent comment

Re:Ten-year-old invents light-up crosswalks, IBM makes them ... by mobweb on Sunday December 23, 2012 @02:27PM (#4960341)
In Switzerland we add small pearls to the paint when marking a zebra crossing. The pearls reflect the light from the cars.

http://www.tagesanzeiger.ch/panorama/vermischtes/SwarovskiPe...

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