Svetoforus-1 (Luxofor) design conceptSvetoforus-1 (Luxofor) traffic lights design concept Overview Process Clone 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 super bright light diodes that can be arranged i
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