Geek Speak — HabitableZone

Geek Speak » in reply to thanks for the reminder

compressed air cans- warning...

I saw someone use a can of that stuff on a window of a vacuum chamber... to reach the window they held the can upside down... I started to say 'hey stop!' when they pulled the trigger... the cold fliud sprayed out and hit the window, the window shattered and POW no more vacuum...

The 'compressed air' cans are not really air, they can contaminate optics....

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