How to Prove 1=0, And Other Maths Illusions In this lecture I will show you some mathematical illusions...
Democracy: Ancient Models, Modern Challenges Demokratia is the power (kratos) of the people (demos). But...
Ancient Greek Ideas of Equality under the Law The Nobel Laureate economist Amartya Sen has posed the question...
The Maths of Sudoku and Latin Squares Millions of us regularly solve Sudoku puzzles. In this lecture...
19th-Century Eclipse Expeditions During the late 19th century, British and American organisations such...
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