When Henri met Albert the stars didn't quite align; nor did their clocks. Jimena Canales, historian of science, tells Joe Gelonesi about her discovery of an explosive 20th century debate that changed our view of time and destroyed a reputation.

Physicists and philosophers have a curious relationship. They both need each other for the cosmic dance, but one partner sometimes refuses to join in. Star physicist Stephen Hawking even declared the end of philosophy in 2011.

In some ways the pronouncement was to be expected; physics triumphalism dictates that at some point philosophy will exhaust itself and be unable to solve the mysteries that science seems to conquer in leaps. It's been coming for a while; at least since the word science replaced natural philosophy a few centuries ago.

[Bergson] argued that if we didn't have a prior sense of time we wouldn't have been led to build clocks and we wouldn't even use them ... unless we wanted to go places and to events that mattered. ...[Continue reading on Radio National]