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- 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
No restrictions on your remixing, redistributing, or making derivative works.
Give credit to the author, as required.
Your remixing, redistributing, or making derivatives works comes with some
restrictions, including how it is shared.
Your redistributing comes with some restrictions. Do not remix or make
derivative works.
Copyrighted materials, available under Fair Use and the TEACH Act for US-based
educators, or other custom arrangements. Go to the resource provider to see
their individual restrictions.
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