Events

A Technology of Transparency

Research Seminar
Today, glass is ubiquitous, from window glass to tableware, and from eyeglasses to glass fibres, even to the extent to become almost invisible. However, this ubiquity has not always been there. [more]

Diagrams and Other Visual Aids in the Early Modern University Classroom

Research Seminar
On 19 July 1595, while lecturing on astronomy in the Protestant seminary school at Graz, Johannes Kepler had an epiphany. As he recalled in the Mysterium cosmographicum, 'when I was going to show my audience the leaps of the great conjunctions … I inscribed many triangles, or quasi-triangles, in the same circle, so that the end of one was the beginning of another.' [more]
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