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by gregw134 1092 days ago
Ok, I changed the wording to "in my opinion". My main point is that it might be possible to build drones matching this description with existing technology. There is existing technology to induce controlled rotation in satellites, using control moment gyroscopes:

https://en.wikipedia.org/wiki/Control_moment_gyroscope

Perhaps if you placed a control moment gyroscope inside a helium-filled sphere, an operator could generate a controlled rapid spin. I'm not an expert by any means, was hoping someone more knowledgable can evaluate the idea.