This week has been fantastic!
I have been doing a series of experiments into cymatics and trying to recreate my own visuals produced by sounds. I knew I would need some help so asked my lecturer who directed me to a technician and lecturer in the music department. With his help I was able to use a slightly modified small guitar amp which I could then sit a metal plate on top with sand and a small petri dish with liquid and inks in it.
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modifying the small amp
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The experiments we had tried with sand on a metal plate didn't work as well as I had thought. This was explained by the metal plate being slightly too thick and having a tiny warp which meant the sand tended to shift to one corner very quickly. It was also compromised by not having a mechanical shaker to sit the plate on while playing the tone, however we did have a frequency tone generator on a phone which was plugged into the amp positioned directly underneath the middle of the plate.
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adding some fine grit to the plate
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We then tried out an experiment with a petri dish positioned in the middle of the speaker, which worked extremely well. Some slightly viscose fluid was poured into the dish which was secured with blu tac on the bottom of the speaker. As with the plate of sand we played frequencies generated by the phone app and the results were spectacular. I have now decided to take forward the visuals I had created here and use them in the final piece I will produce.
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| added a drop of white ink then a drop of purple ink to the middle of the petri dish |
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| then started to play a frequency through he speaker |
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| the ball of ink looked like the centre of a daisy and the vibrations looked like petals in the water |
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| it pushed most of the ink out which looked like petals but the shape of vibrations looked square |
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| at its most agitated...a high frequency was used here |
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