Sir Isaac Newton 's manuscripts published online by Cambridge University Library . Many of the papers -- some of them badly damaged by fire or water -- have undergone delicate conservation work before being added to the archive . More than 4,000 pages -- a fraction of university 's entire archive -- digitized so far . Experts say these are ` ` some of the most papers and documents in the history of science '' Newton described law of motion , developed calculus , studied speed of light .
Sir Isaac Newton 's manuscripts published online by Cambridge University Library . More than 4,000 pages -- a fraction of university 's entire archive -- digitized so far . Experts say these are ` ` some of the most papers and documents in the history of science '' Newton described law of motion , developed calculus , studied speed of light .