What is an atom? structure and properties

Qu'estce qu'un atome ? structure et propriétés

IN BRIEF Definition : An atom is the smallest unit of matter that retains the properties of a chemical element. Composition : Atoms are made up of a nucleus, containing protons and neutrons, surrounded by electrons. Dimensions : The size of an atom is extremely small, about one ten-millionth of a millimeter. Properties : The … Read more

Le rôle des mathématiques en physique : un langage universel

Le rôle des mathématiques en physique : un langage universel

IN BRIEF Mathematics as a universal language Relationship with physics, biology, computer science Essential role in understanding the world Mathematical logic for decision making Application in research and conferences Universality of mathematics in sciences Importance of theorems and fractals Theory of chaos and its implications In the field of physics, mathematics plays a fundamental role, … Read more

The principles of thermodynamics: simple explanations

Les principes de la thermodynamique : explications simples

IN BRIEF Thermodynamics: Study of energy exchanges. First principle: Conservation of energy. Second principle: Direction of heat exchanges. Third principle: Limit of entropy at absolute zero temperature. Thermodynamic systems: open, closed and isolated. Applications: Thermal machines, physical, biological and chemical processes. Thermodynamics is an essential branch of physics that studies the relationships between heat and … Read more