There are many possible side effects of Tren use, and it is far from the most side effect friendly anabolic steroid. Many of the side effects of Tren are similar to other steroids, but Tren also carries some possible side effects that most steroids do not.
Red Light, Green Light : The Invention of the Traffic Signal. The traffic signal was first invented in 1912 â by a Detroit policeman named Lester Wire â as a two-color, red-and-green light with a buzzer to warn pedestrians ahead of the impending transition.
The inventor sold the rights to his traffic signal to the General Electric Corporation for $40,000. Shortly before his death in 1963, Garrett Morgan was awarded a citation for his traffic signal by the United States Government.