


LED life, range of colors, durable, small size and design flexibility, etc. " However, no matter how passionate we are for this green energy source, we have to face the truth that its energy efficiency advantage can cause problems..... .....
A Post from engadget said: A number of cold weather American states are reporting their dismay at finding out that LED traffic lights are so energy efficient that they do not produce enough excess heat to dissipate any snow that covers them. It turns out, perhaps in a homage to bad engineering everywhere, that the inefficiency of incandescent light bulbs was previously relied upon to keep traffic signals unimpeded. The new LEDs do not achieve the same effect, which has resulted in a few accidents and even a death being blamed on obstructed traffic lights.
Sorry for the people who encountered the traffic accidents and this indeed proved the old saying everything has two sides. And for designers, this is a reminder to consider variety circumstance including extreme conditions during design process.
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Yes! Paint with LED Lighting! That sounds exciting! But, not work that way exactly...
New York based sweatshoppe has presented one of their interactive installations on the street which used green LEDs that work in conjunction with a camera next to a projector which is programmed with software that tracks its movements. The software then outputs the X-Y position of the roller projecting a textured video image of the strokes the duo are drawing on a wall.
To make it more straightforward here is one of the video clips: