Early traffic lights had only red and green, which unsurprisingly made intersections rather chaotic. Who invented the yellow ...

Even though we’re long past the invention of the car and the first appearance of traffic regulations, it’s interesting to know how it all began. To think that some 100-150 years ago, people considered ...

The answer leads right back to Cleveland and the legacy of Garrett A. Morgan. Morgan, the first Black man in Cleveland to own a car, saw firsthand the dangers of early traffic intersections. In 1923, ...

The story of humans trying to use light and heat to their benefit goes back to prehistoric times. The earliest use of fire for these purposes led to torches, oil lamps, candles, gas systems, and ...

Have you ever wondered: Who invented the traffic light? The answer leads right back to Cleveland and the legacy of Garrett A.

National Electrical Contractors Association (NECA): A few facts about the origin of electric Christmas lights - Information ...

When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than earlier light sources, and they made more activities, for both work and play, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Ernest Freeberg, University of Tennessee (THE CONVERSATION) Advertisement Article ...