I don’t think it’s unusual from a theory but, the one touted for several years here on FR can’t be replicated.
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http://www.mail-archive.com/vortex- href=”mailto:l@eskimo.com”>l@eskimo.com/msg85732.html
There has been no "the one" touted. There are some skeptics who try to make that seem the case, but CF/LENR posting here has covered a broader area. Threads have been posted about many researchers and efforts.