4 ms·
I can't imagine it is for the same reasons but frozen CO2 is used to clean telescope mirrors without damaging them https://en.wikipedia.org/wiki/Carbon_dioxid
by tejtm 4y ago
I can't imagine it is for the same reasons but
frozen CO2 is used to clean telescope mirrors without damaging them
https://en.wikipedia.org/wiki/Carbon_dioxide_cleaning https://en.wikipedia.org/wiki/Carbon_dioxide_cleaning