November 21 - 4:20pm EST   Art Lebedev Studios recently introduced its Luxofor traffic light prototype that will use a square lens lit up by superbright diodes to make it more visible to drivers and pedestrians. Traditionally, traffic lights have been round to allow the spherical light-bulb to light up the lens more evenly. Art Lebedev's new design offers more efficient packaging, as the square light fills up the same space taken up by a round lens more completely. [full story]