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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 justincormack on Sunday December 23, 2012 @12:04PM (#4959914)
The lighted crossing indicator was invented in 1934, before the zebra crossing (1949) https://en.wikipedia.org/wiki/Belisha_beacon
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