day usage of 60 seconds, 60 minutes and 360 degrees derives from here • Ancient Greeks developed Astronomy as a branch of Mathematics • Acient Indian astronomy is based upon sideral calculations (orbits) ANCIENT ASTRONOMY AND MATH Daniel Bento - 2014
ASTRONOMY AND MATH • Su Song was a polymath from china, specialized in astronomy, cartography, horology, pharmacology, … • There are records of astronomical observations in China from about 600 BC. • They were capable to predict solar eclipses Daniel Bento - 2014
calculate the position of stars • Greek design it to predict astronomical positions and eclipses • Only in 14th century it starts to apear astronomical clocks with this complexity ANCIENT ASTRONOMY AND MATH Daniel Bento - 2014
1200 AD b) Compass was invented by Chinese about 206 BC • Mediaval Islamic world had a lof of knowledge from Greek and Indian Astronomy • Mediaval Western Europe receive contributions from Greek schools, but durring the middle ages nothing happened Daniel Bento - 2014
but it was not enought • At 1100 BC first mechanical gear machine was invented in China • At 500 BC Ashtadhyayi was written with 3959 gramar rules BUT! Mechanical computers started to apear in mediaval islamic world, they developed the cryptography and frequency analysis and also worked on programmable machines. In Europe we all know Pascal and Leibniz Machines For the record, the first programmer was an woman, Ada Lovelace Daniel Bento - 2014
by Charles Babbage • It uses the method of finite diferences to calculated polynomial functions • Numbers: • 25000 parts • 13600 kg • 2,4m tal • Ada Lovelace invented all the features used in actual computer programming Daniel Bento - 2014
+ SGI • Builded for Space Shuttle, Hurricanes track prediction and physics of supernovas • Capable of 51.87 trilionFLOPS • Numbers: • 10240 processors • 20 Terabytes of memory • 440 Terabytes of online storage • 10 Petabytes of archive Daniel Bento - 2014