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Science Festival 2025
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A key event dedicated to promoting scientific knowledge to the general public, the Science Festival will take place this year in France from October 3 to 13, 2025. For this 34th edition, the Ministry of Higher Education and Research has chosen to explore the theme “Intelligences,” highlighting the diversity of forms of intelligence—human, artificial, and collective.
The Laboratory of Plasma Physics (LPP) is once again taking part in this major celebration by offering a series of fun, interactive, and educational activities on two occasions : at École Polytechnique on October 3 and 4, and at Sorbonne University from October 10 to 12.

At École Polytechnique : Plasma in All Its States
On the École Polytechnique campus, the LPP actively contributed to the booth "Plasma in All Its States," showcased in the Grand Hall. This booth was coordinated by EUR PLASMAScience, a consortium of seven laboratories and teams specializing in plasma physics within the Institut Polytechnique de Paris.
Around twenty LPP members—researchers, engineers, and PhD students—came together to share the richness of plasma physics with the public through three main themes :
- Plasmas and Energy (nuclear fusion, the ITER project, etc.) ;
- Plasmas and Space (astrophysics, space missions, etc.) ;
- Plasmas and Society (applications in medicine, agriculture, pollution control, etc.).
The first day, reserved for school groups, welcomed nearly 600 middle and high school students, while the Saturday session, open to the general public, set a new attendance record with over 1,600 visitors. Both children and adults were captivated by the demonstrations—particularly the Planeterrella and the electron cannon, displayed in a darkened tent. The LPP team stood out for its linguistic diversity at the booth, with multilingual interactions in French, English, Italian, Bulgarian, Japanese, Spanish, Russian, and more.
A New Feature : Immersive Investigation – “Mission Plasma”
A major new feature this year, the LPP introduced an original and immersive activity : “Immersive Investigation : Mission Plasma.” Designed for families, this role-playing game allowed participants to explore plasma physics in a playful and engaging way.
You are on Solaris, an exoplanet in search of a new source of light, faces sabotage just as the galaxy’s brightest minds prepare to choose the technology that will illuminate its future. Artificial auroras, fusion reactors, or plasma light bulbs—which invention will save Solaris ? And above all, who is the traitor among the scientists ?
Led by enthusiastic PhD students and actors, the game was a great success. The public happily joined the investigation and discovered the many applications of plasma science. This project was made possible thanks to the support of Sorbonne University, as part of the “Science, Culture, Society – Young Audiences” initiative, enthusiastically embraced by the LPP.
At Sorbonne University : A Dynamic Science Village
From October 10 to 12, the LPP will also participate in the Science Village at Sorbonne University, as part of activities coordinated by the Plas@Par federation.
Visitors will find :
- Spectroscopy workshops,
- Educational games based on space missions or video games,
- Scientific poster sessions about plasma applications.
An artistic dimension will also be present with the “Plasma Mirror,” a fascinating visual installation, along with an interactive game centered around the Solar Orbiter mission.
The Science Festival is a valuable opportunity to share the passion for research, spark scientific curiosity, and make science accessible to everyone. It also serves to raise awareness among young people about today’s major global challenges.
The LPP warmly thanks all participants, contributors, and visitors who help make these events a success. We hope to see many of you at our upcoming scientific outreach events, as we continue this journey of discovery together.
Dans la même rubrique :
- Alejandro Alvarez Laguna, chargé de recherche au LPP obtient une bourse ERC Starting grant
- Précipitation des ions du vent solaire à la surface de Mercure
- Anatole Berger a soutenu sa thèse "Sur l’utilisation de la méthode des moments pour la modélisation des plasmas froids dans les régimes de pression intermédiaire et basse"
- Dihya Sadi a soutenu sa thèse "Mécanismes fondamentaux de l’interaction plasma surface : application au couplage plasma/membrane pour la valorisation du CO2"
- Une nouvelle théorie pour expliquer les oscillations de relaxation observées dans les gaines des propulseurs à effet Hall
- Louis Saugé a soutenu sa thèse "Étude expérimentale sur les jets de plasma à pression atmosphérique : champs électriques, mécanismes de décharge et effets biologiques"
- Benjamin Labérie a soutenu sa thèse "Plasma froid à pression atmosphérique : Rôle du champ électrique sur la migration cellulaire et étude d’un jet diffusif sur les marqueurs de la cicatrisation"
- Benoît Gay a soutenu sa thèse "Turbulence d’ondes gravitationnelles : méthodes multi-échelles et simulations numériques"
- Démonstration expérimentale des performances de la caméra plasma miniaturisée
- Lancement de la mission ESCAPADE vers Mars
- Projection du documentaire "Seas of the Sun : The Story of Cluster"
- Fête de la Science 2025
- Prix des Innovateurs 2025 de la Région Île-de-France : le LPP à l’honneur
- Zhan Shu a soutenu sa thèse "Étalonnage absolu et quantification de l’oxygène atomique dans les plasmas nanosecondes à l’aide de la fluorescence induite par laser à absorption à deux photons"
- Nouveau schéma de détection des radicaux méthyle hautement réactifs démontré
- Les arcs-en-ciel électroniques, comme les arcs-en-ciel optiques, contiennent une signature quantitative de leur caractère ondulatoire, même quand ça ne se voit pas
- Pauline Simon rejoint le LPP comme Maîtresse de conférences
- Une nouvelle approche pour étudier les processus d’ondes turbulents dans le vent solaire
- Succès confirmé pour la 2ᵉ édition de l’École d’été PLASMAScience
- Une revue des méthodes in situ émergentes pour décrypter l’interaction plasma froid/surface à pression atmosphérique

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