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@owashii@plush.city those can dusters are useful

we have one at work that we keep around purely for rapidly cooling DUTs down to see if some behaviour we're seeing is thermal-related--the spray out of them is cold and gets colder as you spray it, and if you spray them upside down you can get out liquid whatever refrigerant they use (usually butane or one of several fluorinated hydrocarbons), which has a boiling point of between around -50°C and 0°C, depending on the refrigerant
-F

@owashii@plush.city (they tell you not to spray them upside down because getting that stuff on your skin would give you cold burns in short order, but other than that it's not actually any more dangerous than using it normally)
-F

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