Hydraulic press crushing neodymium magnets = electric discharge

I unintentionally found this on YT, so i thought it might be interesting.
Some guy (and i am sorry for the presenter in that video) is crushing neodymium magnets on a big hydraulic press. From small ones to a big one.
The interesting part is that when it disintegrates, it produces quite large electric discharge.

So once again, i am sorry for that presenter... :)

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