To this end, the defence research organisation has launched the Principles of Undersea Magnetohydrodynamic Pumps (PUMP) programme, a 42-month effort aiming to build on the success of MHD at small ...
Abstract: Proposed missions such as a Mars sample return mission and a human mission to Mars require landed payload masses in excess of any previous Mars mission. Whether human or robotic, these ...
KOBE, JAPAN — In the beginning was the oar, a crucial if low-tech invention that served as the prime engine of naval propulsion for uncounted millennia. The next great advance was the sail, the ...
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