L’effet Casimir et ses implications théoriques

L'effet Casimir et ses implications théoriques

IN BRIEF Casimir Effect: quantum phenomenon predicted by Hendrik Casimir in 1948. Attractive force between two conductive plates in a perfect vacuum. Based on fluctuations of the electromagnetic field. Highlights the physical reality of vacuum and its interaction with matter. Can lead to repulsive phenomena under certain conditions. Related to divergent series and the modes … Read more

How does a power plant work?

Comment fonctionne une centrale électrique ?

IN BRIEF Power plant: transformation of primary energy into electrical energy. Types of power plants: thermal, nuclear, hydroelectric, wind. Turbine: captures primary energy to produce motion. Generator: converts mechanical energy into electrical energy. Energy transformation: essential for the operation of power plants. Thermal power plant: uses steam or gas combustion. Hydroelectric power plant: harnesses the … Read more

Philosophical implications of quantum physics

Les implications philosophiques de la physique quantique

IN BRIEF Philosophy of Quantum Physics: exploration of theoretical foundations. Interpretations: divergence between quantum models, such as the Copenhagen interpretation. Quantum Entanglement: fundamental link between distant particles, with practical implications. Philosophical Debates: discussions on the nature of reality and the predictability of events. Quantum Reality: questioning what we consider real. Elementary Phenomena: study of interactions … Read more

Museums and exhibitions dedicated to physics

Les musées et expositions dédiés à la physique

IN BRIEF Exhibition “Teaching Physics, an Art!” at the Musée Bernard d’Agesci. Themes covered: optics, weight and measurements, electricity. Initiatives around the 2024 Paris Olympic and Paralympic Games at the Curie Museum. Curie Museum: historical site, modern facilities near the Panthéon. Immersive Science Museum in Lyon, offering unique experiences. New exhibition in Rouen on the … Read more

How to start in theoretical physics?

Comment débuter en physique théorique ?

IN BRIEF Start with classical physics. Avoid quantum mechanics and theory of relativity at the beginning. Focus on experimental or computational research projects. Have a minimum background in mathematics. Consider a M2 in theoretical physics as a classical pathway. Acquire knowledge of wave function in quantum physics. Take university courses to deepen knowledge. Explore fundamental … Read more

L’impact of physical advancements on society

L'impact des avancées physiques sur la société

IN BRIEF Influence of physical techniques on society Transformations of work methods through technology Impact of digital overconsumption on social relationships Value and meaning of work in the current context Technical progress and its social consequences Developments in interactions between scientists and society Advances in biophysics: stakes and applications Importance of physics in our daily … Read more

Electromagnetism: electric and magnetic field

L'électromagnétisme : champ électrique et magnétique

IN BRIEF Electromagnetism: study of interactions between charged particles. Electromagnetic field: combination of electric and magnetic fields. An electric field is related to a voltage. A magnetic field arises from moving electric charges. The two fields are inseparable and interact with each other. An electric current generates both an electric field and a magnetic field. … Read more

The physics explained to children: basic concepts

La physique expliquée aux enfants : notions de base

IN BRIEF Basic concepts in physics tailored for children Understanding of fundamental forces Exploration of linear movement and rotation Conservation laws of energy Introduction to electricity and electromagnetism Simple explanations for atoms and molecules Quiz to test knowledge Visual aids to facilitate understanding Physics is a fascinating science that seeks to understand the rules governing … Read more

Le rôle de la symétrie en physique

Le rôle de la symétrie en physique

IN BRIEF Symmetry: A fundamental concept in physics, reflecting the invariance of a system under transformations. Transformations: Symmetries can be associated with changes such as rotations or inversions. Symmetry groups: A mathematical structure that formalizes the relationships between symmetries and physical laws. Conservation: Each symmetry leads to the conservation of a physical quantity, according to … Read more

The cosmology and the origin of the universe

La cosmologie et l'origine de l'univers

IN BRIEF Big Bang : a cosmic event marking the origin of the Universe according to the current cosmological model. Origins of the Universe : study of the conditions that preceded and followed the Big Bang. Formation Eras : the Universe evolved through the radiation era, then the matter era. String Theory : suggests that … Read more