At 08:50 BST this morning, the sun crossed the equator somewhere over the Indian Ocean, heading south, thereby making it officially autumn in the northern hemisphere. Official, that is, according to astronomical reckoning—which is the only reckoning that counts.
By Richard Carter
…by turns provocative, humorous, entertaining, fascinating and informative but never dull […]. If, when reading, you like to be enlightened and educated in an enjoyable and entertaining manner then buy Richard’s book; I promise you won’t regret it.
—Thony Christie, historian of science, Renaissance Mathematicus