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A Moment of Science
How do you keep food cool?
To preserve the ice as long as possible, people made sure to cool hot foods before putting them in the icebox.
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We've seen many strange things when it comes to forgotten leftovers, but hungry lasagna?
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How does the gas coolant that just chilled your fridge make the coils warm? The secret's in the refrigerator's hum.
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It sounds crazy, but household refrigerators keep food cold by bringing liquid fluorocarbon to a boil.
Is cold water cleaner that warm water? Find out on this Moment of Science.
Let’s say you hard-boiled some eggs last night to make egg salad. But today, when you open the fridge, you discover that a helpful family member has put them right back in the carton along with the raw ones. Without cracking the eggs open, how can you figure out which is which?
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