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