Anson Cheung presents Cambridge University

Michael Ashburner (1942-) is Professor of Biology at the University of Cambridge and is the former Joint-Head of the European Bioinformatics Institute (EBI).He was educated at the Royal Grammar School, High Wycombe and the University of Cambridge, where he received his undergraduate degree (1964) and Ph.D. (1968), both in genetics. He then went to the California Institute of Technology as a postdoctoral fellow with Hershell Mitchell. In 1979, he returned to the Department of Genetics in...

TIME DILATION: an experiment with mu-mesons This classic film documents an experiment done in 1963 the results of which can only be explained when one accepts the consequence that moving clocks run slow. This phenomenon is known as time dilation. The timekeeping device is the mu-meson, a subatomic particle with origins away from the Earth moving at relativistic speed. What follows here is an explanation of the experiment described in that film. Many mu-mesons rain down every hour on the...

A documentary on tectonics, continental drift, and ocean floor exploration.