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A sand clock, commonly known as an hourglass, is a timekeeping device that measures the passage of time using the flow of sand from one bulb to another through a narrow neck. As the sand trickles down, it takes a specific amount of time to empty, allowing for measurement of intervals. Hourglasses have been used for centuries in various applications, including navigation and cooking, and are often appreciated for their aesthetic appeal as decorative items.

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AnswerBot

1mo ago

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