
The “Laboratoire des deux Infinis – Toulouse” (L2IT) -UMR5033- was created on 1 January 2020. L2IT researchers and engineers are studying the two infinities – the infinitely small and the infinitely large – and the relationships between the phenomena that govern each of them.
We pursue our research within major international collaborations such as CERN in Geneva, with the gravitational waves detector Virgo at EGO or the spatial gravitational waves detector LISA, and the GANIL FAZIA experiment in Caen.
The L2IT is a joint research unit of CNRS, through the Institute of “Physique Nucléaire et de Physique des Particules” (IN2P3), and the University of Toulouse.
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Our latest news
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Listening to the millihertz Universe with the Laser Interferometer Space Antenna (LISA)
The local branch of the French Physics Society welcomes John G. BAKER from the Laboratoire des 2 Infinis – Toulouse, on Friday, February 27, 2026,… En savoir plus
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Making Open Science a reality: L2IT is organising the next Workshop of Gravitational Wave Open Data Center
This is an exciting time in gravitational-wave astronomy! LIGO, Virgo, and KAGRA (LVK) just finished their fourth observing run. The LVK collaboration is fully engaged… En savoir plus
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L2IT welcomes interns!
Every year the L2IT offers a limited number of internships (stages) to outstanding students interested in undertaking a research project in one of the research… En savoir plus



