MIT Kraków https://validator.w3.org/feed/docs/rss2.html The doppler effect Sound speed Wind gongs Tam-tam gong Xylophone Pipe organs Humming pipes Stone cimbalom Purring stone Acoustic telegraph Keyboard aerophone Focusing of sound Hydrostatics Water in a rotating cylinder Water in a spinning sphere Joule’s experiment Hydraulic scale Water vortex The Bermuda triangle Cartesian diver Magnetism Magnetic pendulum Hourglass Chaotic pendulum Magnet races Eddy currents Wakacyjny Piknik pełen zapachów Wakacyjny piknik pełen zapachów Lasers and mirrors Coloured sectors Two polarisers The Newton disc Hidden colours Wandering wheel Crater Periscope Cylindrical mirror Distorting mirror Giant kaleidoscope Facial composition Two mirrors Kaleidoscope Breathing rectangle Spiral Optical illusion Stationary disc Floating illusion Sculpture Lasers and lenses Muzeum Inżynierii i Techniki