You may know about various tools to determine the time of the day. If yes, then you can easily solve this simple question.
A sundial has fewer moving parts than any timepiece. However, do you know which has the most moving parts?
Answer to this question: An hourglass. It is because it has thousands of grains of sand.
The hourglass comprises of two glass bulbs connected verbally by a narrow neck. The neck allows a regular flow of the substance, such as sand. Time is determined depending on the factors such as the quantity and coarseness of the sand, the bulb size, and the neck width.
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