Simple enough. But what happens when you live in a culture where green also means blue? (Before we answer that, here's why our own traffic light colors are red, yellow, and green.) That’s when ...

The study points out that a large portion of traffic lights in ... illegal states (conflicting green or yellow lights), and take over with the familiar 4-way red flashing. Since a technician ...

Recently, traffic police in several localities have begun issuing fines for 'running yellow lights,' causing confusion and ...

Anyone who spends time on the road -- even as a passenger -- is familiar with traffic lights. They're kind of essential for ...

On the left, modified luciferase applied to mammalian cells generates an acidity traffic light: pH 6 (red), 7 (yellow) and 8 ...

The leader assigns a red light to the direction it is heading and gives a green light to the perpendicular traffic. After a set amount of time, a leader is selected from the green light traffic ...

To do this, Ford created an intelligent traffic ... green and allow the other vehicles to pass unhindered. In addition, it will also prevent possible accidents if an ambulance has to run a red light.