Such a strong field may be produced in the laboratory (tenths to units of Tesla), but not on such a large total area and never with such a steepness of leading edge.
Shamba vile nguvu inaweza Imetolewa katika maabara (sehemu ya kumi kwa vitengo ya Tesla), lakini si kwa ukame na jumla ya eneo kubwa na kamwe na ukame na steepness wa makali ya kuongoza.