One of the greatest lectures on hadron physics. The last 60 years discoveries in String Theory Dr Woblok 8 months ago Leonard Susskind on Hadron Physics / String Theory For the “mass-squared” explanation: source Related Articles Journey to the Edge of the Universe An imainary voyage #shorts Average Temperature Of Planets#shorts#ytshorts#science#spaceexploration #space Exploring Exoplanets: The Future of Space Discovery The Latest from CERN: Brian Cox Discusses the Unexpected Discoveries