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 been found. Scientists believe...
Read MoreHow Did the First Clocks Work? The earliest known clocks are sundials. In the ruins of Egypt, a giant sundial, almost 100 feet tall, has been found. Scientists believe...
Read More