The Traffic Light
The traffic light is one of many controlling factors in our lives that we don’t realize anymore. When we drive around in the city, we deal with this piece of technology all the time. From the starts in 1868 at London to modern day, the traffic light has change significantly over time. From London’s lantern on the street corner to a major technology advancement to control the flow of traffic. The first few traffic lights had to be manually operated. They would have a police officer who used a hand crank to change the light to were everything is done automatically through a computer. Who would have guess that a light could save lives and prevent major accidents from occurring?