300th Anniversary of The Principia Mathematica by Sir Isaac Newton 18p Stamp (1987) The Principia Mathematica
Quotes Of The Day - 11 Pics
A nice quote by Isaac Newton | i guess thats what we called silaturahmi
English astronomer Sir Isaac Newton (1643-1727) is most famous for his work on forces, specifically gravity. He calculated three laws describing the motion of forces between objects, known today as Newton's laws.
Este 25 de diciembre se conmemora el natalicio del Isaac Newton quien revolucionó el mundo con la "Ley de la Gravitación Universal". #Infografia