160,094 views
What is mass? In a short format, Étienne Klein gives a brief history of the concept of mass, from Newton to the LHC via Einstein's theories of relativity. He explains with simple and accessible metaphors what discoveries scientists hope to make in the coming years thanks to the contribution of the LHC, particularly on the Higgs boson. --------------------- ???? About Étienne Klein: A former student of the École Centrale Paris, Étienne Klein is a French physicist, research director at the French Alternative Energies and Atomic Energy Commission (CEA), he currently directs the Laboratory for Research on Material Sciences (LARSIM), based in Saclay. ???? About the association Les Ernest: The association Les Ernest, born at the ENS Ulm. It organizes multidisciplinary scientific conferences adapted to new media and accessible to the general public. In 15 minutes, a specialist takes the floor and examines an issue that concerns the entire scientific, cultural and intellectual field. From Egyptian medicine to the instability of financial markets to gender inequality, society and knowledge as a whole are questioned each time. More information on: https://www.les-ernest.fr/ ???? Find the replay of the episodes "Les Ernest": • "Les Ernest": 15 minutes to chan... --------------------- Welcome to the official channel of ENS-PSL! ???? The École normale supérieure-PSL is a school based on research that links research excellence in Literature and Science to training in the face of the scientific and social, national and international challenges of the contemporary world. It implements a world-class research and training policy, with a perspective of intellectual freedom and multidisciplinarity in literature and science. Personalized monitoring, multiplicity of initiatives and commitments of normaliens and normaliennes in the social world, investment in the intellectual and scientific debates of its time are all characteristics of the École normale supérieure since its creation, and at the heart of the Université PSL of which it is a component institution. To not miss our latest videos, follow us on ????https://www.youtube.com/c/EnsFrEcole_... Find us also on our site or our social networks: ???? Site: https://www.ens.psl.eu/ ???? Twitter: / ens_ulm ???? Facebook: / ecole.normale.superieure.ulm ???? LinkedIn: / ecolenormalesuperieure ???? Instagram: https://www.instagram.com/normalesup/...