The role of numerical simulations in modern physics

Le rôle des simulations numériques en physique moderne

IN BRIEF Numerical simulation: Modern method of modeling on a computer. Facilitates understanding and prediction of real phenomena. Reduces physical prototypes, resulting in savings of time and money. Supports the analysis of experimental results. Broker for scenarios impossible to realize physically. Used in materials science and plasma physics. New challenges for simulation tools. Integrates physical … Read more

The Heisenberg uncertainty principle: understanding and impacts

Le principe d'incertitude de Heisenberg : compréhension et impacts

IN BRIEF Uncertainty principle stated by Heisenberg in 1927 Inverse relationship between position and momentum The more 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 psychology Used as … Read more

Les famous paradoxes in physics and their solutions

Les paradoxes célèbres en physique et leurs solutions

IN BRIEF Fermi Paradox : Questions about extraterrestrial life. Schrödinger’s Cat Paradox : Quantum superposition state. Zenon’s Paradox : Challenges concerning the nature of motion. Archer’s Paradox : Relationship between movement and target. Black Hole Paradox : The problem of lost information. Dark Night Paradox : Cosmological inconsistency of the universe. Weak Young Sun Paradox … Read more

Quantum mechanics and general relativity: a conflict to resolve

La mécanique quantique et la relativité générale : un conflit à résoudre

IN SHORT Quantum mechanics and general relativity: two major theories of physics. Mathematical incompatibility between the two theories. The issue of unifying gravity and quantum mechanics. General relativity describes gravitation on a large scale. Quantum mechanics operates at the subatomic scale. The challenges of a unified theory within the universe. The need to reconcile these … Read more

Quantum physics in simple terms

La physique quantique en termes simples

IN BRIEF Definition: Quantum physics is a set of theories developed in the 20th century to explain the behavior of atoms and particles. Scientific revolution: Considered one of the two major revolutions of the twentieth century, along with the theory of relativity. Nature of interactions: It describes how energy is exchanged in discrete amounts called … Read more