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  2. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    The Doomsday Clock is a symbol that represents the estimated likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1] Maintained since 1947, the Clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances. That is, the time ...

  3. Atomic clock - Wikipedia

    en.wikipedia.org/wiki/Atomic_clock

    A clock's quality can be specified by two parameters: accuracy and stability. Accuracy is a measurement of the degree to which the clock's ticking rate can be counted on to match some absolute standard such as the inherent hyperfine frequency of an isolated atom or ion.

  4. Ninety Years Without Slumbering - Wikipedia

    en.wikipedia.org/wiki/Ninety_Years_Without...

    Sam confides in the psychiatrist that his father gave him the clock on the day he was born, and that he will die if it stops ticking. The psychiatrist thinks this belief is merely a subconscious rationalization of Sam's obsession with the clock and advises him to sell it. In an effort to appease his family, Sam puts the clock up for sale.

  5. Clock - Wikipedia

    en.wikipedia.org/wiki/Clock

    An analog pendulum clock made around 18th century. A clock or chronometer is a device that measures and displays time.The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year.

  6. Tickety Toc - Wikipedia

    en.wikipedia.org/wiki/Tickety_Toc

    Behind the clock's face is an extraordinary world where things don't always run smoothly. The show's main characters, siblings Tommy and Tallulah, race against time to keep the Tickety Toc Clock ticking and chiming the time. They do everything with enthusiasm, commitment, and positivity, even if it gets them into trouble.

  7. Escapement - Wikipedia

    en.wikipedia.org/wiki/Escapement

    Animation of an anchor escapement, widely used in pendulum clocks. An escapement is a mechanical linkage in mechanical watches and clocks that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing the clock's hands.

  8. Leap second - Wikipedia

    en.wikipedia.org/wiki/Leap_second

    Screenshot of the UTC clock from time.gov during the leap second on 31 December 2016.. A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC), to accommodate the difference between precise time (International Atomic Time (TAI), as measured by atomic clocks) and imprecise observed solar time (), which varies due to irregularities and long-term ...

  9. Tapestry of Nations - Wikipedia

    en.wikipedia.org/wiki/Tapestry_of_Nations

    Besides the Tapestry of Dreams version, there were three variations of Tapestry of Nations, each having differences in audio. The original version, with only the ticking and chiming of clocks with narration from a more stoic Sage of Time being used, ran from the parade's debut in October 1999 to the middle of December 1999. Known as t