Seb FalkJun 20, 20163 minThe start of summer?Facebook greeted me today with this little graphic: Given that this is the radar picture over the UK this morning, it’s not surprising...
Seb FalkJan 21, 20154 minPrecision and accuracy in medieval astronomyWhat is the difference between precision and accuracy? In modern English they are used almost interchangeably. But there is a...