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Four gold medals and one silver medal for École Polytechnique at the 2026 IMC Four Cycle Ingénieur polytechnicien students participated in the 2026 International Mathematics Competition, held in Bulgaria from July 27 to August 2. They once again distinguished themselves with their excellent results, winning four First Prizes

Breakthrough in Physics: Demonstration of a Photonic time Crystal Yannis Laplace’s team at the Irradiated Solids Laboratory (LSI*) has just achieved a major breakthrough by demonstrating the operation of a “temporal photonic crystal.” This finding has been published in the journal *Nature*. This is a collaboration

Hong Wang, X 2010 and an École Polytechnique’s honorary doctorate recipient, is awarded the 2026 Fields Medal Chinese mathematician Hong Wang (Class of 2010 and recipient of an honorary doctorate from École Polytechnique) has been awarded the 2026 Fields Medal, the highest international honor in mathematics. Honored for her proof of Kakeya's conjecture in