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Research
03.09.26
More Resource-Efficient AI
Vicky Kalogeiton, a researcher at the École Polytechnique’s Computer Science Laboratory (LIX*), has just received a Starting Grant from the European Research Council (ERC). The goal of her research project FLASH is to make generative image AI more efficient, more accessible, and more sustainable.
Education
03.09.26
The X2020 First Job Survey, a Reflection of a Versatile Scientific Training
Against the backdrop of a nationwide slowdown in the job placement of recent graduates, the Polytechnique engineers of the Class of X2020, who will graduate in 2025, are reaffirming the strength of their transition into the workforce. One-quarter of graduates enter the civil service, 28% go on to pursue a Ph.D., and nearly half of graduates join the private sector, working at companies of all sizes. Of the graduates who join the company, 97% find their first job in Europe (87% in France), dispelling the notion of a brain drain.
Institution
31.08.26
Bruno Bellier, new Director General of École polytechnique
Bruno Bellier, a senior defense procurement engineer and alumnus of École Polytechnique (Class of 1992), was appointed director general of École Polytechnique at the Cabinet meeting on August 31, 2026. He will also serve as interim chairman of the board of directors until the publication of the new decree governing the School’s organization.
Entrepreneurship, Innovation
28.08.26
Pasqal, co-founded by Alain Aspect and Antoine Browaeys, makes its Nasdaq debut
Co-founded by Nobel Prize in Physics laureate Alain Aspect, professor emeritus at École Polytechnique, and Antoine Browaeys, a professor at École Polytechnique, Pasqal—France’s first quantum computing unicorn—is now listed on the Nasdaq. This listing provides the company with approximately $360 million in cash to accelerate its industrial and technological development.
Education
21.08.26
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, including a Grand First Prize awarded to Georges Tézé, who ranked 5th overall. A fifth Cycle Ingénieur polytechnicien student, Aymane Bouhsain, also won a silver medal.
Research
30.07.26
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 with the Collège de France, the Helmholtz-Zentrum Dresden-Rossendorf, Thales’ Albert Fert Laboratory, and the Laboratory of Physics of Interfaces and Thin Films (LPICM*).
Institution, Research
23.07.26
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 three-dimensional space, she became the third woman in history to receive this prestigious award. This award highlights the excellence of her scientific career and reflects her close ties to École Polytechnique, where mathematics plays a central role in the training of engineers and researchers.
Research
23.07.26
A Closer Look at Kakeya's Conjecture
Mathematician Hong Wang, X2010 and an Honorary Doctor of École Polytechnique, has just been awarded the Fields Medal in 2026 for her work on the Kakeya conjecture. Here is an overview of a problem whose origins date back more than a century.
Research
16.07.26
The Optics and Biosciences Laboratory Celebrates Its 25th Anniversary
By bringing together specialists in optics and biology within the same laboratory, the LOB stands out among research laboratories. This unique setup...
Institution
14.07.26
École Polytechnique at the Bastille Day military parade, marking Europe’s strategic reawakening
During the 2026 Bastille Day military parade, 360 engineering students from École Polytechnique’s Class of X2025 and their instructors represented École Polytechnique on the Champs-Élysées. Under the theme “Europe’s Strategic Awakening” and in support of Ukraine, this participation highlighted the students’ commitment to serving the nation and the historic bond that unites the School with the Armed Forces.
Education
10.07.26
L’X Climbs in the 2026 Digital Leaders in Higher Education Rankings
École Polytechnique ranks 13th globally and retains its top spot in France in the 2026 Digital Leaders in Higher Education ranking, published by Times Higher Education in partnership with Emerging. École Polytechnique also improves its standing in several subject-specific rankings, notably in computer science, where it ranks 8th globally.
Chairs, Research
07.07.26
Ultrashort Lasers for Monitoring the Quality of Industrial Parts
At the Applied Optics Laboratory (LOA*), the CALYCO Chair aims to develop an industrial laser-plasma acceleration system for non-destructive imaging, with potential applications in the energy, aerospace, and automotive sectors. The project is funded by Institut Pierre Lamoure through the École Polytechnique Foundation.