That is actually not good. The vaccuum release valve is frozen. That can damage it IIRC. (Once it no longer holds a vaccuum the cannister is not as good at storing LN2)
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"Don't You understand? This is Greek to me! Except I spek Greek, this is like Aramaic to me, and not the Western Dialect I can read a little." - Dr. Walter Bishop
Special relativity is not "Eat Two Big Macs."
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