Here are five good ideas that apply the use of color in inventive ways:
Scientists at MIT are able to measure someone’s pulse by watch for minor variations in their facial color by webcam. The presages many other types of remote medical monitoring. NY Times best idea 2010 http://nyti.ms/ijrCJF
Canadian meat wrapping materials turn color in presence of certain pathogens. A NYTimes “best idea 2007″ winner. http://bit.ly/4TLzlM
Black roads can increase the temperature in cities by tens of degrees – requiring more air conditioning. http://bit.ly/17bf1mi
ColorPhase Camouflage has ink which changes color in different seasons, improving effectiveness. Popular Science Innovation 2013 http://bit.ly/1iqSrNJ
American Exit signs are red and say “exit”. Signs in most other parts of the world are green and show a man running. The international signs don’t require English, are universally recognized, and are safer during an emergency. Slate http://bit.ly/axO6Ei
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