There are many videos on youtube where people put grapes in the microwave and it turned the grapes into plasma. There are some other videos on youtube where someone made a plasma thruster(http://www.youtube.com/watch?v=s_wwEKp6SGk"), and in the discription said that it needed a magnetic field for it to work. In some of the comments it said that if it where in microwaves it would work too. I was wondering if a grape would turn into plasma if it was in a magnetic field?
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