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A clock is an instrument used to indicate, maintain, and co-ordinate time. The phrase clock is derived in the end (via Dutch, Northern French, and Medieval Latin) from the Celtic phrases clagan and clocca which means "bell". A silent instrument missing such a mechanism has traditionally been often known as a timepiece. Usually usage in the present day a "clock" refers to any system for measuring and displaying the time. Watches and different timepieces that may be carried on one's particular person are often distinguished from clocks. The clock is among the oldest human inventions, assembly the necessity to constantly measure intervals of time shorter than the natural items: the day; the lunar month; and the year.
Units working on a number of completely different bodily processes have been used over the millennia, culminating within the clocks of today. The study of timekeeping is named horology. The sundial, which measures the time of day by utilizing the sun casting a shadow onto...
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Units working on a number of completely different bodily processes have been used over the millennia, culminating within the clocks of today. The study of timekeeping is named horology. The sundial, which measures the time of day by utilizing the sun casting a shadow onto...
View More
A clock is an instrument used to indicate, maintain, and co-ordinate time. The phrase clock is derived in the end (via Dutch, Northern French, and Medieval Latin) from the Celtic phrases clagan and clocca which means "bell". A silent instrument missing such a mechanism has traditionally been often known as a timepiece. Usually usage in the present day a "clock" refers to any system for measuring and displaying the time. Watches and different timepieces that may be carried on one's particular person are often distinguished from clocks. The clock is among the oldest human inventions, assembly the necessity to constantly measure intervals of time shorter than the natural items: the day; the lunar month; and the year.
Units working on a number of completely different bodily processes have been used over the millennia, culminating within the clocks of today. The study of timekeeping is named horology. The sundial, which measures the time of day by utilizing the sun casting a shadow onto a cylindrical stone, was widely utilized in ancient times. A effectively-constructed sundial can measure local photo voltaic time with reasonable accuracy, and sundials continued to be used to monitor the efficiency of clocks until the fashionable era. However, its practical limitations-it requires the sun to shine and doesn't work at all through the night-inspired using different methods for measuring time.
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Units working on a number of completely different bodily processes have been used over the millennia, culminating within the clocks of today. The study of timekeeping is named horology. The sundial, which measures the time of day by utilizing the sun casting a shadow onto a cylindrical stone, was widely utilized in ancient times. A effectively-constructed sundial can measure local photo voltaic time with reasonable accuracy, and sundials continued to be used to monitor the efficiency of clocks until the fashionable era. However, its practical limitations-it requires the sun to shine and doesn't work at all through the night-inspired using different methods for measuring time.
View Less