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The toroidal propeller

General Science, Physics & Math One week ago at 05:44 PM

Last message by nsaspook on January 29, 2023 at 11:15 AM

10 Replies
420 Views
Soyuz Spacecraft Leak at ISS

General Science, Physics & Math One month ago at 08:36 PM

Last message by ElectricSpidey on January 15, 2023 at 09:24 PM

7 Replies
243 Views
SpaceX returns to flight and nails landing

General Science, Physics & Math 6 years ago at 01:40 PM

Last message by nsaspook on July 12, 2022 at 09:00 PM

31 Replies
2943 Views