Based on your post history it appears you have not read the forum rules.
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We typically give hints or suggestions for answers so that you can learn by doing further research.
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I'll concede that my posts may sound like I'm just dumping the workload unto others, but that's not the case at all (oftentimes I provide my own knowledge that I'm not in the dark about things), and I'll try to be clearer next time.
The thing is, hours can be spent in unfruitful searches around the internet, and, in many cases, it and many people will make it seem as if you've hit a dead end, and I've found that, by asking around, that is just not the case. That's what I'm looking for, to be pointed where I can start, to get around theoretical and procedural limits, that's it, I'll do the rest (share what you ppl may).
And about your last post, I'm looking for permanent magnets, sorry for not being clear about that (thought that mentioning magnetite and electricity might have sufficed).