A post by Joshua Harvey, D.Phil. student, Department of Engineering Science and Pembroke College, University of Oxford, funded by the Andrew W. Mellon Foundation as part of 'The Mental and Material Laboratories of Medieval Science' project, under the aegis of the Ordered Universe.

The latest research article from the Ordered Universe project: “Bow-shaped caustics from conical prisms: a 13th Century account of rainbow formation from Robert Grosseteste’s…