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  2. Relativity of simultaneity - Wikipedia

    en.wikipedia.org/wiki/Relativity_of_simultaneity

    Furthermore, if the two events cannot be causally connected, depending on the state of motion, the crash in London may appear to occur first in a given frame, and the New York crash may appear to occur first in another. However, if the events can be causally connected, precedence order is preserved in all frames of reference. [1]

  3. Ansonia Clock Company - Wikipedia

    en.wikipedia.org/wiki/Ansonia_Clock_Company

    The Ansonia Clock Company was a clock manufacturing business founded in Ansonia, Connecticut, in 1851 and which moved to Brooklyn, New York, in 1878. The company has produced hundreds of different clock models, including Gingerbread, Porcelain, and Crystal Regulator styles. The business shut down in 2006.

  4. Self Winding Clock Company - Wikipedia

    en.wikipedia.org/wiki/Self_Winding_Clock_Company

    The movements were mounted in cases of various designs, often in case styles similar to those of companies like Seth Thomas and E. Howard. [4] The SWCC appears to have been manufacturing their own clock movements by 1892, for they are all stamped "Self Winding Clock Co". Earlier movements were stamped with Seth Thomas or E. Howard markings. [5]

  5. Wheel train - Wikipedia

    en.wikipedia.org/wiki/Wheel_train

    It is called the third wheel because the mainspring barrel is the first wheel and the center wheel is the second wheel in the gear train. Fourth wheel which, in clocks and watches with the second hand in a subdial, turns once per minute and the arbor projects through the face and holds the second hand. The fourth wheel also turns the escape ...

  6. Timing diagram - Wikipedia

    en.wikipedia.org/wiki/Timing_diagram

    Download as PDF; Printable version; ... move to sidebar hide. Timing diagram may refer to: Digital timing diagram ... Timing diagram (Unified Modeling Language) Time ...

  7. Einstein synchronisation - Wikipedia

    en.wikipedia.org/wiki/Einstein_synchronisation

    Einstein synchronisation (or Poincaré–Einstein synchronisation) is a convention for synchronising clocks at different places by means of signal exchanges. This synchronisation method was used by telegraphers in the middle 19th century, [citation needed] but was popularized by Henri Poincaré and Albert Einstein, who applied it to light signals and recognized its fundamental role in ...

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  9. Hafele–Keating experiment - Wikipedia

    en.wikipedia.org/wiki/Hafele–Keating_experiment

    Considering the Hafele–Keating experiment in a frame of reference at rest with respect to the center of the Earth (because this is an inertial frame [3]), a clock aboard the plane moving eastward, in the direction of the Earth's rotation, had a greater velocity (resulting in a relative time loss) than one that remained on the ground, while a ...