In physics and other fields, a thought experiment (from the GermanGedankenexperiment) is an experiment that is not intended to be performed. These experiments are used to attempt to understand something about the universe.
... Museum[?], Cambridge
Cornwall
Barbara Hepworth Museum[?], St. Ives, Cornwall
Penlee House, Penzance[?]
Tate St. Ives[?]
Cumbria
Abbot Hall Art Gallery[?], ...