The Weird and Wonderful World of the Infinite - David Lewis

1st November 2003
In Mathematics we are frequently confronted with the question what happens when things get infinitely large (or conversely when things get infinitesimally small). So common is this question that mathematicians have a special symbol to denote a number that is infinitely large. This session demonstrates that when dealing with the infinite one most proceed with great care and learn not to trust what "common sense" would have us believe.