Official website: www.c12qe.com/
www.c12qe.com/articles/la-deeptech-c12-inaugure-sa-premiere-ligne-de-production-de-puces-quantiques-a-paris explains their choice of address: there is a hill in the 5th arrondissement of Paris, and they have a lab in a deep basement, which helps reduce vibrations from the external environment. Interesting.
Founed by two twin brothers who both studied at École Polytechnique: Pierre Desjardins and Matthieu Desjardins.
Organization developing carbon nanotube spin quantum computer by 
Ciro Santilli 37 Created 2024-09-15 Updated 2025-07-16
Ciro Santilli 37 Created 2024-09-15 Updated 2025-07-16
Produced as part of the thorium fuel cycle.
This isomer has an interest for atomic clocks due to an exceptionally low energy nuclear isomer transition: www.quantamagazine.org/the-first-nuclear-clock-will-test-if-fundamental-constants-change-20240904/
Glass with Uranium added to it to become fluorescent due to Uranium's chemical properties. This is unrelated to Uranium's nuclear properties.
However it was this fluorescence that led Henri Becquerel to discover radioactivity while studying fluorescence, which led him to have Uranium compounds and photographic material in close proximity. I love science I guess.
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