Mar, Edison, oo ah hal-abuuraha ugu weyn ee buugaagta wax-barashada, ayaa had iyo jeer ahaa booqde soo noqnoqda ee isku dhafka ardayda dugsiyada hoose iyo dhexe.Tesla, dhanka kale, had iyo jeer, waji aan caddayn, waxayna ahayd dugsiga sare oo keliya inuu la kulmay cutubka loogu magac daray physics ...
Akhri wax dheeraad ah