Flexible Traffic Light Wraps Around Trees

Any city likely already has all the traffic lights it needs, so any green alternative immediately blows away its environmentally-friendly credentials by replacing known-good hardware. However, the Wearable Signal is clever enough to merit a mention, and has some extra uses that justify it.
The concept traffic light, by Gisung Han, Hwanju Jeon and Jaemin Lee, [...]

Source: http://www.wired.com/gadgetlab/2011/02/flexible-traffic-light-wraps-around-trees/

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