Time Devices :: essays research papers

Definition of "Time" Term used to describe how yen it takes to an event to occur. Time is used to classify events to "Events that happened" and "Events that will happen". It seems that fourth dimension passes in the same pattern, and that sequence is equal to all but the " theory of Relativity" proves otherwise. "Time is a relative thing" according to Einstein, which came start with the theory of Relativity.History of time Records of time keeping are demonstrate 25,000 years ago, but of course, they werent as accurate as now a days. Man used nature to indicate time e.g. Full Moons. It is widely suggested today that time was kept in a "Calendar" way. This means that they divided the time into big units and could only tell the time in specific occasions. e.g. a normal person, 20,000 years ago couldnt tell his render the time at any given period. He had to wait that the synodic month would go full, or the sun will dawn, or by s mell at the stars, etc. They almost couldnt describe when in the future, a thing is to happen. They would say several(prenominal)thing like "In 2 full moons and a senior high sun well go hunting". He couldnt tell exactly in how many hours or minutes things will happen because as I said before Nature was his time keeper + The term "Seconds", "Minutes, "Hours", etc, didnt know tooshie then.As mankind evolved, better ways to keep slash of time were found. Man invented more and more devices as he evolved, and some of these devices are listed in the next sectionClocks A time device used to keep track of the passing time.A clock must have 2 basic components1. Power Source2. A "Release Power" source.Up public treasury the beginning of the 1800s, sun pin grass were the leading time devices worldwide. During the 14th nose candy, the Italian Donadi family were the first to draw metrical composition on those sun time. The invention of the spring fo r clocks during the 16th century and the pendulum in 1671 were the first steps toward the replacement of the sun clocks with mechanized clocks. The hand clock (watch) was invented by A French Company named Berege back at 1810. During the 1800s a drastic advancement has occurred in mechanical clocks with the invention of the naval time keeper which is used up till today by sailors to find their position in an area.