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Blog post: swansont: How Do You Make an Aluminum Float?

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Here's a couple of videos I ran across involving magnetic levitation. You have a changing magnetic field, which induces a current in a conductor, making a field that gives you a net repulsion.

 

[youtube:https://www.youtube.com/watch?v=txmKr69jGBk]

 

 

So what happens if you let the levitating material continue to heat up? This second video starts a little slow, but be patient. It's fun at the end.

 

[youtube:https://www.youtube.com/watch?v=qUiCh1OTLts]

 

 


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