John Dee’s ‘magic mirror’ has Aztec origins, study confirms
Dee used the polished mirror as a scryer to try to commune with spirits.
astrology
A Roman clock at Vindolanda
In CA 224 we reported a splendid new discovery from Vindolanda. The excavators – and just about everyone else – thought it was part of a calendar. Not so, says leading ancient technology specialist Michael Lewis. It is something much more spectacular. The 8cm-long bronze fragment turns out to be part of one the most sophisticated technical devices known to antiquity: an anaphoric water-clock.