"But my God, alone on a small boat, listening to wind like that, there is nothing so full of what sounds like unstoppered human rage, loneliness and malignancy, " he writes.
2.
Larger vacuum flasks store liquids that become gaseous at well below ambient temperature, such as oxygen and nitrogen; in this case the leakage of heat into the extremely cold interior of the bottle results in a slow boiling-off of the liquid so that a narrow unstoppered opening, or a stoppered opening protected by a pressure relief valve, is necessary to prevent pressure from building up and eventually shattering the flask.
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