IN BRIEF Uncertainty principle stated by Heisenberg in 1927 Inverse relationship between the position and the momentum The more precisely the position is known, the less the momentum can be known and vice versa Observation of a particle modifies its state Impacts on quantum physics and understanding of the universe Engenders reflections in philosophy and … Read more
IN BRIEF Definition of acoustics: science of sound and study of mechanical waves. Acoustic comfort: Importance of reducing noise for well-being. Industrial applications: Use of sound in various sectors, including telecommunications. Acoustic waves: Daily use such as sonar in boats. Environmental acoustics: Improvement of sound comfort in our living spaces. Physiological acoustics: Relationship between hearing … Read more
IN SHORT Theory of Everything: quest for unification of fundamental interactions. Bringing together general relativity and quantum mechanics: major challenge of modern physics. History: the search for a unitary theory initiated by giants like Einstein. Four forces of nature: ultimate goal of physics. Contemporary theories: at the forefront, string theory and unified fields. Philosophical stakes: … Read more
IN BRIEF Particle accelerators: essential devices for exploring nuclear physics and particle physics. CERN: home to the largest circular accelerator in the world. Use in various fields: fundamental research and science popularization. Current limitations: high cost, insufficient power, and fragility of existing accelerators. Past and ongoing experiments: exploration of elementary particles. Operation: acceleration of particle … Read more
IN BRIEF Types of forces acting on bridges: gravitational, compressive, tensile, etc. Stability of structures is essential for safety Symmetrical design for better force distribution Importance of material strength in construction Weight load and ground reinforcement to prevent sinking Assessment of acceptable deformations and financial costs Dynamics of bridges to ensure resistance to natural and … Read more
IN SHORT Gravitational singularity: region of spacetime where the laws of physics become imprecise. Contains mathematical limits according to the theory of Einstein. References to Penrose and Hawking theorems regarding black holes. Singularities are points where certain physical parameters reach infinity. The naked singularity implies that the physical laws break down. Interest of cosmology to … Read more
IN BRIEF Essential scientific documentaries on physics. Exploring the universe through captivating films. Diverse themes: from quantum to elementary particles. Best platforms to watch: Netflix, YouTube, and others. Recent films: Oppenheimer, The James Webb Telescope. Series to follow for cultural enrichment: Rick and Morty, The Big Bang Theory. Impact of science on our daily lives … Read more
IN BRIEF Medical Physics: intersection between physics and medicine. Use of ionizing radiation for diagnosis and therapy. Medical Imaging: techniques that transform diagnostics through various modalities. Role of the medical physicist in developing and applying imaging technologies. Ultrasound: use of ultrasonic waves for non-invasive imaging. Advances in radiation therapy for disease treatment. Importance of radioprotection … Read more
IN BRIEF Definition of semiconductors: materials that have intermediate electrical properties. Types of semiconductors: intrinsic and doped. Applications: found in smartphones, computers, and vehicles. Impact on power electronics: control and conversion of electrical energy. Key role in artificial intelligence: processing speed and energy efficiency. Recent innovations: evolution towards nano-technologies and reduction of energy consumption. Essential … Read more
IN BRIEF Chimiephysique.free.fr: Free courses and exercises for all levels from middle school to high school. PCCL: Site dedicated to physics and chemistry for middle and high school. Labolycée: Access to a variety of educational resources. Physique-chimie.fr: Content tailored for self-directed learning. Physics 2000: English resources to deepen understanding of concepts. Éduscol: Information on the … Read more