String theory: an introduction

La théorie des cordes : une introduction

IN BRIEF String theory: fundamental theoretical framework in physics. Fundamental objects are vibrating strings. Elementary particles correspond to the different vibrations of strings. Famous for its ambition to be the “theory of everything”, unifying the forces of nature. Involves 11 dimensions in certain formulations. A necessary popularization to make science accessible. Exploration of local symmetries … Read more

The multiverses: hypotheses and implications

Les multivers : hypothèses et implications

IN BRIEF Multiverse: Concept of multiple coexisting universes. Hypotheses: Emerging from theoretical physics, notably the string theory. Parallel dimensions: Possibility of dimensions outside our classical understanding. Cosmic inflation: Rapid expansion of the primitive universe suggesting other universes. Evidence: Difficulty in testing the hypothesis of the multiverse. Scientific speculations: Variety of possible scenarios around the multiverse. … Read more

Major discoveries of CERN and their significance

Les découvertes majeures du CERN et leur signification

IN SHORT 70 years of discoveries at CERN Discovery of W and Z bosons in 1983 Revolution in particle detection with the multi-wire proportional chamber in 1968 Significant impact on electroweak theory The LHC as a fundamental exploration tool Advances in particle physics and their societal application Celebrations and new research projects in 2024 The … Read more