RSC-Northwest eMagazine
Unintended Consequence of Technology
Cities that installed LED traffic lights to save money are learning that the incandescent lights they got rid of had a useful purpose: their waste heat melted the snow that covered them in winter storms.
Read full article at http://www.autoblog.com/2009/12/16/unintended-consequence-of-technology-new-led-traffic-lights-can/.
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Produced and edited by John Dalziel (eLearning Adviser) JISC RSC-Northwest - Lancaster University