Chifaniziro cha mutu wogwedeza, chomwe chimatha kuzungulira kumanzere ndi kumanja motsatana, ndi chitsanzo cha fani chopangidwa ndi matabwa chomwe chimafuna kulumikizidwa ndi kulumikizidwa ndi kupangidwa ndi mphamvu ya ubongo. Ndi chitsanzo chodziwika bwino cha chida chophunzitsira sayansi chomwe chili choyenera kwambiri pakuyesera kwasayansi.
Njira yopangira ndi njira yodziwira zasayansi yomwe imafuna kugwiritsa ntchito manja ndi mphamvu zamaganizo.