It is known problem. May be most researched is "brake dust" in tube, where it is literally seen with naked eye. Other place where "brake dust" seen but nobody c

It is known problem. May be most researched is "brake dust" in tube, where it is literally seen with naked eye. Other place where "brake dust" seen but nobody care, in airplanes, may be because airplane brakes are not just emit dust, but literally smoke :)