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US Military Seeks Nuclear Space Flight Test by 2025

US Military Seeks Nuclear Space Flight Test by 2025

The U.S. military has chosen three companies to develop nuclear thermal propulsion, or NTP systems to be tested in space by 2025. The goal is to test the space travel technology in cislunar space – t...

2021-04-2624 浏览0
Make a Memory Palace to Improve Your English

Make a Memory Palace to Improve Your English

Sherlock Holmes is an imaginary private detective created by British writer Arthur Conan Doyle in the late 1880s. Doyle’s stories about the detective have been turned into movies and television shows...

2021-04-2541 浏览1