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An oscilloscope can be made to display shapes by playing sounds into it. Making music from these sounds while simultaneously drawing images with those sounds takes things to another level. CLICK SHOW MORE
In the video I fix up and put an old oscilloscope to a new use, and show how you can watch these audio-visual demos even if you don't have a oscilloscope by using a computer.
If you want to skip the preamble and repair section and jump straight to the demo - it starts at 05:00
I had an idea for meditation to make a box...a color organ of 13 light-color lenses...to co-incide with the 13 notes of a chromatic musical scale as in A to the A octave. One color, for one note. .