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A comment on The Plasma Magnet Drive: A Simple, Cheap Drive for the Solar System and Beyond.

Re:The Plasma Magnet Drive: A Simple, Cheap Drive for the So... by pfarnsworth on Wednesday January 10, 2018 @11:13PM (#16121347)
I've heard about solar sails for decades. Why have we never created one? Is there something limiting its development besides money?
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Re:The Plasma Magnet Drive: A Simple, Cheap Drive for the So... by goodcanadian on Thursday January 11, 2018 @12:04AM (#16121513)
The short answer is that we have:

http://www.planetary.org/explore/projects/lightsail-solar-sa...

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