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Around the mid-2000’s, the LED traffic light began making its way onto the scene. Recent developments in LED technology meant that energy efficient replacements for the standard incandescent lamp were beginning to appear. Municipalities rejoiced with the energy savings they provided, but in cold climates they weren’t met with quite as warm a welcome. Not producing sufficient heat to melt snow on their lenses, some drivers became confused by ambiguous signals and caused fatal accidents.
This video tells the tale of why this newfound “problem” generated harsh criticism to the new technology, and explains why this reaction is entirely dumb and regressive.

Watch me take apart one of these traffic light modules here:
   • Teardown of an LED Traffic Light Module  

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