Why are there Black Dots on your Windshield?

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This is something I used to wonder a lot about as a young kid. I used to get carsick easily and my mom always told me to look forward out through the car’s windshield, instead of out the passenger windows. Sometimes I used to try to count the black dots but would eventually become so crosseyed and queasy, I’d abandon before getting very far. Anyway, check out the science behind the dot design in this video from Industrial Adhesives Learning Centre.

You’ve probably noticed these little black dots all around your windshield.
Without them, glass windshields would be a lot weaker.
They’ve actually been around for a few decades, after car manufacturers started to use adhesive to hold the windows in place.
But have you ever wondered what they’re here for?

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• Source: https://blog.adafruit.com/2024/01/16/566941/