Many people are arguing that #Magneto couldn't have moved the Reichsmark he used to kill Sebastian Shaw (#XMen: First Class), since it's mostly silver.

#Ferromagnetic materials aren't the only substances that can be moved or manipulated by magnetic fields - anything electrically conductive is enough. #InductionMotors use rotors that are non-magnetic. That includes anything from household fans to Maglev trains.

Here is a demo: https://youtu.be/ZquvkS3vLjg

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Linear Motor Demo

YouTube