Who invented the traffic light, was it William L Potts, JP Knight or Garret Morgan? Commonly it is claimed that the first patent for the invention of the traffic light was given to Garret Morgan. A device to control traffic was needed and on Nov 20th 1923 he was granted a patent for the world’s first traffic signal which was manually operated. General Electric, realizing the huge money making potential in traffic signals, bought Morgan’s patent for $40000. They switched to coloured lights.…

We often see vehicles on roads with their rear-view mirrors shut. Why? I can only think of the following reasons:

1. Ctrl Z (character who doesn’t follow rules) thinks that with vehicles moving in such close quarters, there is a good chance of mirrors getting hit and broken.
2. Ctrl Z trusts his peripheral vision more than looking at a rear view…