Sir Isaac Newton once wrote ... This was the first working reflecting telescope. Other designers proved unable to grind mirrors with a regular curvature, so the reflector remained largely a ...

The celebrated English scientist Sir Isaac Newton was born on January 4, 1643, in a small village in England named ...

Isaac Newton was born at Woolsthorpe in the parish of Colsterworth ... His study and understanding of light, the invention of the reflecting telescope (1668), and his revelation in his Principia of ...

New Scientist once described Isaac Newton as “the supreme genius ... still widely used today. Newtonian telescopes use a reflecting mirror to avoid the colour distortion and rainbow effect ...