With this new hour glass design, you will never get a ticket for red light jumping
(Source: Gizmodo)
Image Courtesy: Gizmodo
Image Courtesy: Gizmodo
It’s an incredibly simple idea: LED lights trickle down in a virtual sand glass that countdowns how much more Red and Green there will be. When it approaches 3 seconds left, the LEDs switch to yellow and give you an exact count on what’s left.
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