Weatherday: Principia
Frost and ice will clear slowly. Mostly dry, with some sunny spells, but the possibility of scattered showers of rain, hail, sleet or snow.
Highest temperature 4deg in moderate northeasterly breezes.
On this day in 1643 Isaac Newton was born. He was to discover the colour composition of white light, and also formulated the principles underpinning gravity.
Headline: The short title for Newtown's book Philosophiæ Naturalis Principia Mathematica.
