It is a fact that
seven thousand years ago, the man had hands, eyes and brain as good as those of
a man today. But how ever they made use of is little evident. Lack of records
of that period make a study not possible.
Recorded evidence is
of course available of Egypt and Mesopotamia five of six thousand years
ago. These must have been done by the wise priests, who studied movement of stars, Metallurgy, medicine and
whatever else that was thought wisdom.
Of every period, volumes can be written on what men
wanted to know and how he learnt.
Indeed, it must have been great inquisitiveness that made man watch night after night, without any suitable
instrument, such as, a telescope, the slow change in the position of stars etc.
He was very thoughtful to connect the
appearance of new stars with the changing seasons. Ultimately, Astronomy, the science of planets
and stars, was born. Water clock and sand clock where invented to measure time
. Marking time is a very significant
step in the field of science, as it marks the prime theory of nature and its
regularity.
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