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2. Atmos clock - Wikipedia

   en.wikipedia.org/wiki/Atmos_clock

   Older Atmos clock. The first clock powered by changes in atmospheric pressure and temperature was invented by Cornelis Drebbel in the early 17th century. Drebbel built as many as 18 of these, the two most notable being for King James VI & I of Britain, and Rudolf II of Bohemia. The King James clock was known as the Eltham Perpetuum, and was ...

3. Time and frequency transfer - Wikipedia

   en.wikipedia.org/wiki/Time_and_frequency_transfer

   In a two-way time transfer system, the two peers will both transmit and receive each other's messages, thus performing two one-way time transfers to determine the difference between the remote clock and the local clock. [4]: 118 The sum of these time differences is the round-trip delay between the two nodes. It is often assumed that this delay ...

4. NIST-F1 - Wikipedia

   en.wikipedia.org/wiki/NIST-F1

   NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology (NIST) in Boulder, Colorado, and serves as the United States' primary time and frequency standard. The clock took fewer than four years to test and build, and was developed by Steve Jefferts and Dawn Meekhof of the Time and ...

5. List of atomic clocks - Wikipedia

   en.wikipedia.org/wiki/List_of_atomic_clocks

   This page was last edited on 6 December 2024, at 01:21 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

6. Atomic clock - Wikipedia

   en.wikipedia.org/wiki/Atomic_clock

   In addition to increased accuracy, the development of chip-scale atomic clocks has expanded the number of places atomic clocks can be used. In August 2004, NIST scientists demonstrated a chip-scale atomic clock that was 100 times smaller than an ordinary atomic clock and had a much smaller power consumption of 125 mW .

7. World’s oldest person Tomiko Itooka dies; Brazilian nun now ...

   www.aol.com/news/world-oldest-person-tomiko...

   Tomiko Itooka, a 116-year-old Japanese woman who became the oldest living person in August 2024, died on Dec. 29, 2024, according to Guinness World Records.