Our kitchens hide scientific phenomena in plain sight. Kitchen magnets, for example, stick to metal fridges thanks to ferromagnetism, which adds the magnetic fields within magnets together to become stronger. Another is the capillary action that helps towels absorb liquids; water rushes into the narrow gaps against gravity because it’s more attracted to the surrounding material’s sides. Yet another is a bodily phenomenon we experience after eating: borborygmi, or stomach rumbling, occurs when something is being pushed through the small intestine.
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