Why Is a Day Divided into 24 Hours?
Why Is a Day Divided into 24 Hours? It appears that the Egyptians were responsible for the 24 hour day. The Egyptians were fond of counting
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Sundials
How Did the First Clocks Work?
How Did the First Clocks Work? The earliest known clocks are sundials. In the ruins of Egypt, a giant sundial, almost 100 feet tall, has bee
How Does a Sundial Tell Time?
How Does a Sundial Tell Time? Long before we had clocks, people used sundials to tell time. A sundial tells time by measuring the angle of a