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Lecture series: The great scientific revolutions of the present time Subject: What is mass? And the Higgs boson? To wonder about the nature of mass is to ask a seemingly stupid question: isn't mass an obvious property of material objects? The discovery of the Higgs boson in July 2012 has just demonstrated quite the opposite. French physicist, former student of Centrale Paris and columnist on France-Culture, Étienne Klein discusses the great scientific revolutions. Galileo's influence on modern science, the crucial question of the irreversibility of time, Einstein's theory of relativity and the great principles of gravitation, the notion of mass or the recent discovery in 2012 of the Higgs boson... Étienne Klein invites you to follow him into the twists and turns of contemporary cosmology. You leave work and find yourself initiated into the mysteries of science. What to develop with scientific knowledge new atoms... ... hooked. http://www.parenthese-culture.fr/conf...