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The Expanding Universe

A retelling of one of the most staggering scientific discoveries of modern times: that the universe is expanding, and that proof for it can be found in the discovery of the recession of the galaxies.

The Music of the First Christians

Like many others in the first and second centuries, the governor thought the Christians very strange. So they were in many respects, but they were not so strange that they repudiated the use of ritual song. We begin our survey with the music of the first Christian communities.

Black Holes

The story of supermassive black holes lurk in the very centres of galaxies and the gravity wave experiments being planned to search for traces of their formation.

Proving Einstein Right

A gentle introduction to Einstein's General Theory of Relativity will discuss the curvature of space that gives rise to 'Gravity' and Gravitational Lenses.

Medieval Music: The Lands of the Bell Tower

This final lecture of the series, given in the church whose bells are commemorated in nursery rhyme as the ‘bells of the Old Bailey’, will explore the place of the bell tower and its inhabitants in the medieval imagination.