Hannah is talking this afternoon, 9th January, at 4.30 to the Cambridge Philosophical Society, part of a day devoted

to Colour in all of its diversity of meaning, aspects and applications. Hannah’s talk will be on the De iride mapping she has been leading:
‘Colours of the rainbow: A three-dimensional colour space from the thirteenth century’
The event is fee and open to all, and takes place in the Department of Engineering. If you are lucky enough to be around Cambridge, and this afternoon, do drop in.
This is the first of many Ordered Universe events this year: keep your eyes on the blog for more.