Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Oct 20, 2011
Dr Karl Kruszelnicki is the Julius Sumner Miller Fellow in the Faculty of Science at the University of Sydney. The Julius Sumner Miller Fellow has a special role with both primary and secondary schools all over Australia. In his role as Julius Sumner Miller Fellow, Dr Karl performs many school visits each month, as well as presenting at on-campus school events at the University of Sydney, at no cost to the schools.