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National Institute of Standards and Technology (NIST)
Nist Physics Laboratory: A Walk Through Time
An illustrated history of timekeeping from ancient times to the present. Includes information on ancient calendars, early clocks, a revolution in timekeeping, world time scales and time zones, and the NIST standards.
ReadWriteThink
Read Write Think: On This Day in 1918, the u.s. Passed the u.s. Standard Time Act
A classroom activity commemorating the 1918 Standard Time Act and aiding students in learning about differing time zones. Includes lesson plans, web links and an annotated bibliography. From March 19, 2007.
Other
Mental Floss: 8 Antarctic Traditions
Every spring in the Antarctica, a new group of workers arrives and stays for a few months. To enliven everyone's stay, some traditions have been put in place. These include a race around the South Pole through all the world's time zones,...
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