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"Dr. Wright Breaks It Down for You," Episode Five: Ever Wonder about Traffic Lights? episode artwork

May 19, 2011

"Dr. Wright Breaks It Down for You," Episode Five: Ever Wonder about Traffic Lights?

from Dr. Wright Breaks It Down For You Hosted by Dr. Wright Breaks It Down for You

In this week's podcast, Storm Whistle inventor and high school chemistry teacher Dr. Wright explains the various mysteries and origins of the traffic light. We chat about flag-twirlers, a horn-operated traffic signal (a.k.a. the worst idea ever), and the possibility of getting arrested.

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This episode was published on May 19, 2011.

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