@pkvi · 116d
>brake dust
Friction stoppage for all wheeled vehicles
>1.7 billion tires per year (ex.)
produces
>200 grams to ~1 kilogram (plus) brake pad mass
of metallic fibrous dust.
Advent of a gearing safe clutching or frictionless stoppage (or slowing to reduce friction braking) would earn at least a cake.
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@pkvi
"...may not meet professional standards."
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