Ask HN: 利用地磁场发电的实用性如何？
2 分•作者: keepamovin•7 个月前
几年前，我会在“Overflows”上问这个问题。唉，那些天真无邪的日子早已一去不复返了。我也可以问人工智能，但你怎么能知道呢？
地球产生一个移动的磁场（特斯拉级别很小，但范围很大，对吧？）。移动的磁场会产生电流，对吧？如果采用合适的技术方案，能否将“地磁能”添加到其他清洁/可再生能源中，还是这从根本上就是不可能的？
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Years ago I would have asked this on the 'Overflows. Alas, those innocent days are long gone. I could always ask AI, but how can you know?<p>The Earth produces a moving magnetic field (small teslas, but large extent yes?). Moving magnetic fields produce electrical current, right? Could you add "geomagnetic power" to other clean/renewable sources with the right technical solution, or is it fundamentally impossible?