alt Hacker NewsI lived on Upper Street in Angel, London by some traffic lights and there was always a layer of black dust inside. I assumed it was brake particulate.
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sokoloff • today at 8:56 AM
Tire wear was probably a greater source than brake wear.
I lived on Upper Street in Angel, London by some traffic lights and there was always a layer of black dust inside. I assumed it was brake particulate.
Tire wear was probably a greater source than brake wear.
Every house inner London is covered in black soot from the days of coal fires. Have you ever seen one after it's been sandblasted?