NASA wants to fly a helicopter on Mars for the first time
More than a century after the first powered flight on Earth, NASA intends to prove it's possible to replicate the feat on another world.
from Phys.org - latest science and technology news stories https://ift.tt/2LTi1C3
from Phys.org - latest science and technology news stories https://ift.tt/2LTi1C3
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