Ciro Santilli @cirosantilli 37

Official website: www.c12qe.com/

2024 address: 26 rue des Fossés Saint-Jacques, 75005 Paris

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.

Crunchbase entry: www.crunchbase.com/organization/c12-quantum-electronics

Founed by two twin brothers who both studied at École Polytechnique: Pierre Desjardins and Matthieu Desjardins.

Funding:

What a complete loss of ones life post computers! So many intelligent and motivated people completely wasting their life and energy. Finance is a cancer of society.

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.