Yesterday I went to visit an exhibition showing works by: CHARLES GAINES, CARLA GUAGLIARDI and FRANKA HÖRNSCHEMEYER. When entering the gallery you are first met by a loud clacking noise. I walked towards the sound, and found Franka Hörnschemeyer Oszilloskop, to be the originator.  Oscilloscopes are used to observe the change of an electrical signal over time I stood…