Listen to actual lectures presented by noted physicists in the field of string theory and modern physics. All the content is presented courtesy of the Kavli Institue of Theoretical Physics (KITP). Please note that these lectures may involve concepts and terms that are advanced.
"From Atoms to Quarks to Strings" presented by Joseph Polchinski
"The Coming Revolutions in Fundamental Physics" presented by David Gross
"String Duality and M Theory" presented by Dr. Tom Banks