I would guess in the nearest science fiction novel.
Unless, that is, you're planning on using a steady supply of
liquid nitrogen at least, possibly liquid helium. Last I heard, room-
temperature superconductors are still some years away.
Unless someone else in the group is more up on recent developments
in the field...?
Keep the peace(es).
Dr. Anton T. Squeegee, Director, Dutch Surrealist Plumbing Institute.
(Known to some as Bruce Lane, ARS KC7GR,
kyrrin (a/t) bluefeathertech[d=o=t]calm -- www.bluefeathertech.com
"If Salvador Dali had owned a computer, would it have been equipped
with surreal ports?"