Type:

Other

Description:

The Physics Laboratory of the National Institute of Standards and Technology (NIST) provides A Walk Through Time, a site devoted to examining the question of how humans have measured time throughout history. In one example, Egyptians created the first timepiece (shadow clock or sundial) in the approximate year of 1500 BC to measure "hours." Nowadays, the Physics Laboratory develops and operates the "standards of time and frequency and coordinates them with other world standards." Those interested in timekeeping methods and an historical perspective on the evolution of time measurement will find this site fascinating.

Subjects:

  • Science > General
  • Science > Physics

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Informal Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-021,Higher Education,oai:nsdl.org:2200/20110201214644158T,Undergraduate (Upper Division),Technical Education (Lower Division),Science,Undergraduate (Lower Division),Science -- Physics,High School,Vocational/Professional Development Education,History/Policy/Law,Technical Education (Upper Division),Physics,General Public,Science -- History,NSDL

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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