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Infinity and beyond

* We look at the different conceptions of 'infinity' that...

Imagine that interstellar trade is possible at speeds close to...

This year is the centenary of the birth of the...

In 1915 Albert Einstein produced a theory of gravity that...

What do physicists mean by a 'Theory of Everything'? And...

Whether or not Londoners will be watching the next Olympic...

Einstein predicted that gravitational waves exist. What are they, how...

Are there limits to science? We look first at the...

What was the universe like during its early history? Described...

This lecture is an exploration of the ways in which...