For thousands of years, humans have relied on the movement of the Sun to understand the passage of time. But one ancient ...
Have you ever wondered why clocks always move clockwise instead of anti-clockwise? The answer has nothing to do with physics ...
Curator Peggy Kidwell solves the mystery of a pocket sundial from the 1600s Peggy Aldrich Kidwell and Sara J. Schechner First, a bit of background on sundials. From ancient times, people have used ...