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  2. Time clock - Wikipedia

    en.wikipedia.org/wiki/Time_clock

    Electronic time clock. A time clock, sometimes known as a clock card machine, punch clock, or time recorder, is a device that records start and end times for hourly employees (or those on flexi-time) at a place of business. In mechanical time clocks, this was accomplished by inserting a heavy paper card, called a time card

  3. Time-tracking software - Wikipedia

    en.wikipedia.org/wiki/Time-tracking_software

    Time-tracking software are computer programs that allows users to record time spent on tasks or projects. Time-tracking software may include time-recording software, which uses user activity monitoring to record the activities performed on a computer and the time spent on each project and task .

  4. Wilhelm Schickard - Wikipedia

    en.wikipedia.org/wiki/Wilhelm_Schickard

    Wilhelm Schickard (22 April 1592 – 24 October 1635) was a German professor of Hebrew and astronomy who became famous in the second part of the 20th century after Franz Hammer, a biographer (along with Max Caspar) of Johannes Kepler, claimed that the drawings of a calculating clock, predating the public release of Pascal's calculator by twenty ...

  5. Category:Time measurement systems - Wikipedia

    en.wikipedia.org/wiki/Category:Time_measurement...

    This category lists systems by which the time of day and/or time intervals can be measured. ... Thai six-hour clock; Time line (basketball) Time server; Time of flight;

  6. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    French decimal clock from the time of the French Revolution. The large dial shows the ten hours of the decimal day in Arabic numerals, while the small dial shows the two 12-hour periods of the standard 24-hour day in Roman numerals. Decimal time is the representation of the time of day using units which are decimally related.

  7. Making time for Christian Marclay's "The Clock" - AOL

    www.aol.com/making-time-christian-marclays-clock...

    From time to time, you might notice a shot of a clock in a movie. In a film like "Back to the Future," they're key to the plot; lightning strikes the clock tower at exactly 10:04 p.m.

  8. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    The only 17th-century calculating clocks that have survived to this day do not have a machine-wide carry mechanism and therefore cannot be called fully effective mechanical calculators. A much more successful calculating clock was built by the Italian Giovanni Poleni in the 18th century and was a two-motion calculating clock (the numbers are ...

  9. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    The Jiffy is the amount of time light takes to travel one femtometre (about the diameter of a nucleon). The Planck time is the time that light takes to travel one Planck length. The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The svedberg is a time unit used for sedimentation rates (usually