Catapulte pour l’espace
SpaceX has brought down the price of delivering payloads to low earth orbit to under $3000 per kg, but even a small satellite still costs over $1 million. A company called SpinLaunch proposes to lower costs further by flinging the things into space on a giant centrifuge. At a certain…
Ukraine: une colonne de blindés russes en route vers Kiev
https://www.bbc.com/news/live/world-europe-60542877…