Time Machines: Clocks and Timekeeping Devices
This exhibition explores timekeeping and timekeeping devices, from the introduction of the sundial by the ancient Egyptians to the precise atomic clock. In addition to explanations of clock mechanics, the exhibit examines the role of timekeeping in early navigation and in the Industrial Revolution. April 18-September 14, 11 a.m.-4 p.m. Free.
Museum of American Heritage, 351 Homer Ave., Palo Alto