How energy efficient traffic lights backfired
Around 2010, Japan and other cities switched from incandescent traffic light bulbs to energy efficient LEDs. Turns out, LEDs don't radiate enough heat to melt snow. So in the winter, traffic signals became obscured, resulting in numerous accidents. #history #historyfacts #historytime
ReasonTV
Meet the biohackers, brewers, bitcoiners, makers, growers, freaks, and visionaries exploring new ways of living in an increasingly individualistic world. Watch investigative stories about the bureaucrats and busybodies fighting for control over our lives....