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No Strings Attached

A Walk Through TimeA Walk Through Time

Subject:
Science and Technology
Institution Name:
National Institute of Standards and Technology
Collection:
U.S. Department of Commerce
Grade Level:
Primary, Secondary, Post-secondary
Abstract:

This sit elooks at the evolution of time keeping, how humans have measured the passage of time throughout history. The site describes and shows depictions of ancient calendars, sun and water clocks, mechanical and quartz clocks, and world time scales and time zones.

Course Type:
Learning Module
Languages:
English
Material Type:
Activities and Labs, Readings
Media Format:
Graphics/Photos, Text/HTML
Conditions of Use:
Public Domain

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