IN BRIEF Dark energy: makes up about 68% of the Universe. Accelerates the expansion of the Universe due to its repulsive nature. Dark matter and dark energy: two great mysteries of astrophysics. Recent progress shows that the expansion of the Universe is faster than expected. Use of telescopes like Hubble and Euclid to study these … Read more
IN BRIEF Dark matter makes up about 85% of the mass of the Universe. It is invisible and undetectable, making its study complex. Represents one of the biggest mysteries of modern cosmology. Its existence is necessary to explain the movement of galaxies. Theories like modified gravity attempt to unravel this mystery. Less than 5% of … Read more
IN BRIEF Thermodynamics: Study of physical properties as a function of temperature. Thermal equilibrium: State where temperature reaches a stable value. Astrophysics: Application of thermodynamic principles to astronomical phenomena. Wien’s Law: Principles used to analyze radiation in the universe. Mass-luminosity relation: Correlations between mass and light emission from stars. Understanding accretion disks and other astrophysical … Read more
IN BRIEF Black hole: a region of space with an intense gravitational field. Accretion disk: matter in orbit around a celestial body, often composed of gas and dust. Accretion disks around supermassive black holes: key to observing the accretion of matter. Inclination of the accretion disk and angle of observation influence the detected brightness. Emission … Read more
IN BRIEF Physics: study of forces, energy, and the properties of objects. Chemistry: analysis of matter, molecules, and chemical reactions. Physical chemistry: intersection between physics and chemistry, focusing on the physical aspects of chemical systems. Physical transformations: changes of state (solid, liquid, gas) without modification of chemical composition. Chemical transformations: rearrangements of molecules, leading to … Read more
IN BRIEF Microelectronics : Used in computers and smartphones. Laser beam : Applications in medicine and communication. MRI : Medical imaging for diagnosis. Agriculture : Irradiation to extend the shelf life of food. Mechanics : Principles governing our daily movements. Thermodynamics : Regulation of heat in our devices. Optics : Screens and display technologies. Quantum … Read more
IN BRIEF Quantum Physics: Works for a simple understanding. The Feynman Lectures on Physics: An essential reference. Physics for Dummies: Ideal for beginners. Patience in the azure: Cosmic evolution by Hubert Reeves. 50 keys to understanding physics: Concepts without equations. Space and time: An exploration of the foundations of modern physics. The Evolution of Ideas … Read more
IN BRIEF Scientific popularization accessible on YouTube. Channels dedicated to physics and chemistry. Revisions for the baccalaureate and diploma. Varied educational content: lessons, tutorials, scientific news. Contributions from scientists and teachers. Playful approaches to learning concepts. Channels like Balade Mentale and Science Étonnante. Learning about quantum physics and condensed matter. Today, YouTube has established itself … Read more
IN BRIEF Creation of institutes for physical education in faculties in the 1920s-1930s. Dispersal of teaching of physics in universities. Master’s programs in physical activity and education. Costs of schools in physics-chemistry: approximately €7000 per year. Importance of sports at school and in school sports. Bachelor’s degree in physical education: training in essential techniques. Fundamental … Read more
IN BRIEF Anecdotes about significant discoveries in physics The accidental discovery of X-rays Albert Einstein and his revolutionary theories The link between electricity and magnetism Elementary particles: decisive advancements The Higgs boson, a breakthrough in modern physics The explorations of the universe and black holes The impact of penicillin on the life sciences Discoveries that … Read more