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…
Glissade
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Suisse: modernisation de ses Cougars
http://psk.blog.24heures.ch/archive/2022/05/07/les-cougar-sont-tous-modernises%C2%A0-872995.html…
Le MiG-29
https://fr.wikipedia.org/wiki/Mikoyan-Gourevitch_MiG-29…
eVTOL: Vertical VX4
https://vertical-aerospace.com/vx4/…