What is time
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Answers
Step-by-step explanation:
Time is the indefinite continued progress of existence and events that occur in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious experience.Time is often referred to as a fourth dimension, along with three spatial dimensions.
Answer:
The concept of time is simply an illusion made up of human memories, everything that has ever been and ever will be is happening RIGHT NOW. ... The laws of physics are symmetric ultimately meaning that time could have easily moved in a backward direction as it does forward.
Time is the relativity of events and without events time has no meaning. Our very existence is, however, dominated by events, even when we might think that we are doing nothing. ... Such activity is a stream of events, the relativity of which is our own personal record of what our minds tell us is 'time' 'passing'.
Time in physics is defined by its measurement: time is what a clock reads. In classical, non-relativistic physics, it is a scalar quantity (often denoted by the symbol. ) and, like length, mass, and charge, is usually described as a fundamental quantity.
The measurement of time began with the invention of sundials in ancient Egypt some time prior to 1500 B.C. However, the time the Egyptians measured was not the same as the time today's clocks measure. For the Egyptians, and indeed for a further three millennia, the basic unit of time was the period of daylight.