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Caution Optional » 2008 »

Archive for November, 2008

The shape of things to come?

“The shape of traffic lights has barely changed since they were invented—there have always been three round lights: red, yellow and green. Initially, the sections were round simply because this allowed the spherical bulp inside light the glass evenly.
Today traffic lights use superbright light diodes that can be arranged in any way. And the sections […]