Ciro Santilli @cirosantilli 35

We define a "water compass" as a compass made by placing a magnet floating on a water surface to reduce friction and allow it to align with the Earth's magnetic field. This is a common children's scientific experiment.

A hugely important copper mine in Sweden.

Selenium was initially discovered from ore from this mine.

www.ucl.ac.uk/quantum-devices/carbon-nanotube-spin-qubits As mentioned in this link, they collaborate with C12 Quantum Electronics.

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.