# Past lectures

Some mathematics of straight lines. Why are electricity pylons made of triangular patterns of struts? Rigid shapes and flexible shapes....

The difference between series that are finite and infinite. Simple proofs by pictures. The ubiquity of the harmonic series. The Painter'...

The 16th-century instruments in the Museum of the History of Science in Florence provide one of the most attractive records of...

The maths of surfaces and boundaries. Queen Dido's problem. The importance of shape. Examples from the natural world where it pays to...

An overview of different types of mathematics and its applications. What is mathematics and why does it 'work'? A look at the way...

Robin Wilson's new book (published by Penguin) is a celebration of one of the nineteenth century's most gifted minds, whose writings...

400 years of geometry at Gresham College given by Henry Briggs (1561 - 1631) Henry Briggs was the first Gresham Professor of Geometry....

Verbal reasoning alone cannot be used to understand the outcome of the complex interactions that typically comprise biological function...

In 1900 the German mathematician David Hilbert presented the mathematical community with 23 unsolved problems. What were they, and how...

On 30 May 1832 a young Frenchman named Évariste Galois lay dying in a field outside...

In the 8th century Alcuin of York described the wolf, goat and cabbage problem - so did Lewis Carroll over 1000 years later. This...

WE ALL HAVE OUR PROBLEMS Mathematicians can be divided into theory-builders and problem-solvers. In these lectures, we look at some...