The writings of Ptolemy and Archimedes make it clear that not all ancient thinkers agreed with Aristotle. Ptolemy was a Greco-Egyptian writer of Alexandria.
they wrote it in different slang like gangster talk wich made them look obvious that they where hiding something some ancient thinkers had disagreed
they were great history
In the year 265 b.c
no
Archimedes made the lever sometime between 280bc to210bc.
1786
Archimedes obstacles were simply that the things in life he had were not good enough and he had the will to improve and make new ideas to make people's lives easier.
make circles and discover pi
to make it easy to roll
by there mathematical skills they made
Ptolemy would have made his observations in Egypt probably Alexandria around AD120 up to his death in AD168.
one was the pulley. Another is called Archimedes screw. Its purpose was to bring water from a lower level to a higher one.
The mechanical model (gears and the like) of Copernicus is much easier to make than Ptolemy's.
Archimedes