භෞතික විද්යාව තේරුම් ගැනීම පහසුය.භෞතික විද්යාව දෙස බැලිය යුත්තේ වෙනමම දෘෂ්ඪි කෝණයකින්ය...
November 5 2015
Isaac Newton - Philosopher, Astronomer, Physicist, Scientist, Mathematician
Explore the history and discoveries of Isaac Newton, including his work in mathematics and optics and his groundbreaking laws of motion, at Biography.com.
http://www.biography.com/people/isaac-newton-9422656