From the Leviathan telescope in Birr Castle to the former ‘Bedlam’ in London, many museums in Ireland and England offer unique insights into the history of science







Baz Halpin is the creative director behind some of the world’s biggest tours, and his last job was on Katy Perry’s Super Bowl spectacular. He describes the months of planning that went into its 12½ minutes, and how it was nearly scuppered by one star





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