← Back to context Comment by eudamoniac 5 hours ago Dust is harder than hard plastic? 1 comment eudamoniac Reply dpark 3 hours ago A large amount of dust is essentially powdered rock, which absolutely is harder than the plastic you would generally find in optical lenses.
dpark 3 hours ago A large amount of dust is essentially powdered rock, which absolutely is harder than the plastic you would generally find in optical lenses.
A large amount of dust is essentially powdered rock, which absolutely is harder than the plastic you would generally find in optical lenses.