1. Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230). More info here.

2. Fra etimologie e tropi: allo scrittoio con ‘Magister Robertus’ (Dicta 109, 110, 111)[Between Etymologies and Tropes: At the scriptorium with ‘Magister Robertus’ (Dicta 109, 110, 111)]. More info here.