ELi5: How is liquid nitrogen super cold and in the form of liquid when the container itself is in a room temperature environment?

Question

ELi5: How is liquid nitrogen super cold and in the form of liquid when the container itself is in a room temperature environment?

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Answer 1

It won’t stay liquid for long, just like water won’t stay liquid for long in the oven.

But this transition takes a while, especially in an insulated container. If you left it alone for a few hours and came back your bucket of liquid nitrogen would be empty.