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a xylophone controlled by a geiger counter sensing some uranium ore, which lets you change the notes that get played by moving a lead shield, altering the exposure of the geiger sensor nervoussquirrel.com/ore-some_xylophone.html
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a guitar robot arm! totemrecall.com metal ridges by my right hand represent notes in a scale, which you play by touching them with a metal plectrum. the buttons by my left hand let you choose which scale, including major/minor versions. so cool. 🤘 #emfcamp






