It's known to conduct electricity without loss, but only at extremely cold temperatures, and in a
way that could not be
entirely explained by established theories; that's why it's called an
unconventional superconductor.
Linda Nochlin, has written that, «Frank's work speaks to our deepest and most commonly shared emotions, and does so in
ways that are
entirely unconventional and original,
ways conceived through a lifetime of experience and knowledge, yet palpitating with the vitality of immediate discovery.»