Vortex Ring Machine Gun

a subwoofer an amplifier a bucket with a hole ducktape and such smoke, light and a sound wave no sinus! a sawtooth shaped wave of ± 2 Hz works well Комплекс уроков “Электричество“ [club51080272|Проект “Научная Критика“] [club51080272|Вся правда о сверхъединичных устройствах]