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Try some tricks and demos with static electricity
, then play with Rare Earth Magnet Spheres
 
 
 NOTICE: now on CDROM, The Amateur Scientist, all 810 of the columns from Scientific American magazine (C.L. Stong, Jearle Walker, Shawn Carlson.) Approx 1000 amateur projects, pp2100 $24.99. See a Sample.  | 
 
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