Interesting, this seems like a practical implementation of the a-field (magnetic vector potential) "circuits" described here[1]. I wonder how hard it is to mak

Interesting, this seems like a practical implementation of the a-field (magnetic vector potential) "circuits" described here[1]. I wonder how hard it is to make an electro-electret... [1] http://amasci.com/elect/mcoils.html http://amasci.com/elect/mcoils.html