You should read the paper; http://keelynet.com/davidson/npap1.htm
It gives details of the centrifuge....I think there is enough information
in there to do the experiment yourself. No wires, no electricity.
Even Joe Parr's original experiment with the pyramids mounted on the
rotating arm is described.
Dan is here on the list so he will respond, but I stay up later....<g>..
-- Jerry W. Decker / jdecker@keelynet.com http://keelynet.com / "From an Art to a Science" Voice : (214) 324-8741 / FAX : (214) 324-8741 KeelyNet - PO BOX 870716 - Mesquite - Republic of Texas - 75187