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by TheLoneWolfling 4387 days ago
Yep. It's called an electrodynamic tether. Proposed for stationkeeping for everything from space stations to skyhooks, among other things.
1 comments
mrfusion 4386 days ago
Might be too late to follow up. (I wish HN had the response alerts like Reddit does)

But how can you have a current in a single wire without a loop?

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