Even a single common crop circle pattern is very reminiscent to a pattern, created by iron sawdust scattered on the board, through the wire leads perpendicularly, passed through by electric current (magnetic field of a straight wire).
Hata moja ya kawaida mazao mduara mfano ni sana kukumbusha kwa mfano, aliumba kwa chuma sawdust wametawanyika juu ya bodi, kupitia waya inaongoza perpendicularly, kupita kwa njia ya sasa ya umeme (magnetic uwanja wa waya moja kwa moja).