Have you ever seen a street light turn off when a car’s headlights flash at it? That’s not magic—it’s a false signal. Some photocells are so sensitive that a bright LED headlight can trick them into thinking it’s daytime for a split second.
The light flickers off, then a few seconds later, realizes its mistake and turns back on. It’s like a kid who hears a loud noise and looks up, then goes back to reading.
So, when do street lights turn off? Simple answer: when they think the sun is up. Complex answer: depends on the cloud, the season, the model, and whether a squirrel accidentally nudged the sensor. Either way, it’s a quiet little miracle of automation you walk under every day.
And honestly? That’s pretty cool.