Advanced solar sail mission prepares to catch the wind in the void of space (newatlas.com) angielski
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China is building a railgun that can hurl crewed spacecraft into orbit (newatlas.com) angielski
Rockets being passé, China is working on using an electromagnetic railgun to launch crewed spacecraft the size of a Boeing 737, weighing 50 tonnes, into orbit. This remarkably ambitious project is even more ambitious than it seems at first glance.
