God said, “Let there be light”—everyone knows that. But God did not specify what color light, and this would eventually prove problematic. In the age of the LED light bulb, consumers have an ...

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

They might be vertical, they might be horizontal, but otherwise, traffic lights have hardly changed in a hundred years. Red means stop, yellow means slow down, and green means go, a universal code ...

Technological advances and the advent of self-driving cars are forcing researchers to rethink traffic signaling systems. An innovative idea is emerging: adding a white light to traditional traffic ...