No helmet? No green light 🚦 A viral video shows a smart traffic light concept designed to promote helmet safety. The idea is simple: the light only turns green if everyone on a motorcycle is wearing a helmet. The clip appears to come from Argentina. While it’s unclear whether this exact setup is live or staged, the underlying tech is very real. We’re at a stage where computer vision models are good enough to detect motorcycles, count riders, and recognize helmets in real time. Open source visio