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For the September edition, our experts wrote about why ocean acidification is posing problems for shellfish, how researchers used gravitational waves to observe a black hole and neutron star orbiting each other and merging, and what the future could look like — with humanoids in our midst.

Good day, my reading friend. Your presence suggests that the first part of our article on the life and work of French engineer Jean Albert Grégoire pleased you a little bit. So let us start without further delay the second part of said article. You will be delighted to learn that a project launched by Grégoire around 1943, while the Second World War raged on, had a relatively happy ending. In 1941, in parallel with his work on the CGE-Tudor electric city automobile mentioned in the first part of