Eksperyment z kulą i piórem w komorze próżniowej Wiedza 4 l 10 PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQualityundefinedSpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×4×PIPExit fullscreenEnter fullscreenDownloadPlay 1000 1000 400 100 +176 +176
