Ridley (2009–21)
On this day 6 months ago my dog died. Grieving a pet is an odd experience. It feels self-indulgent: with all the problems in the world,...
Ridley (2009–21)
New Moon - No Astrolabe!
The beauty of medieval numbers
How to read a medieval astronomical calendar
John Gower and the Gruffalo
Girton College Mappa Mundi
Heat, Comets, and Collaboration
How short is the shortest day?
Medieval finger-counting on the BBC
The start of summer?
Leap years and astrolabes
Medieval (g)astronomy: my PhD in biscuit form
Masculine Mars? Planetary degrees in medieval astrology
How did an Italian astrolabe end up on the New Zealand passport?
Geoffrey Chaucer’s Inspirational Astronomy
Angry Birds in Medieval Manuscripts
Drawing up a medieval horoscope
The Kalamazoo Medieval Experience
The vernacular in medieval astronomy – at Kalamazoo
Historic navigational instruments on trial