מי המציא את הרמזור, ולמה דווקא אדום-צהוב-ירוק?

Political framing

Neutral framing · L 0.05 · R 0.05 · N 0.90

Traffic Lights Invention

The text is a non-political informational question about the history and design of traffic lights. Rule 8 applies. | The text discusses historical trivia regarding the invention and development of traffic lights without taking a partisan political stance. Rule 8 applies.