Btw. this black don't invent traffic light really. His patent is based on existing stuff. Just like other great "black inventions".... Nothing original, just small incremental improvements, like zillions and zillions other.
Btw. this black don't invent traffic light really. His patent is based on existing stuff. Just like other great "black inventions".... Nothing original, just small incremental improvements, like zillions and zillions other.
(post is archived)