Let's Get Physical

Ordered Universe

Seminar 2 saw students exploring Physics with Brian Tanner, Emeritus Professor of Physics at Durham University. Brian introduced the students to the notion of collaborative reading, looking through Robert Grosseteste’s treatise ‘On the Rainbow’. They read about his various experiments, including looking at light refracting through a urine flask, which they replicated using a vase and a mobile phone torch.

Two students then volunteered to take part in an image-formation experiment. They carefully observed a coin’s supposed change of position as water was poured into a vessel, demonstrating refraction at water-air interface. Students used these experiments to evaluate the extent to which Grosseteste was accurate in his theories about the laws of refraction, and were surprised to know how close he was to modern scientific understanding, along with key thinkers like Roger Bacon.

The seminar ended on a discussion about spectacles – when were they invented? Who invented them? Was…

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