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this is my first entry on 500px. what a great site, i love the design and simplicity of it!
i have created a new series called "dancing colors". the idea of the series is to build a bridge between the acoustical and the visual world. the sculptures, you see on the images exist only for a fraction of a second. they consist of normal salt, colored with pigments. the salt is placed on a thin foil of plastic, which is wrapped on top of a speaker. as soon as the speaker receives a sound, the plastic foil starts to vibrate, forming these strange figures.
in order to capture the specific moment, where the pigments are lifted into the air, i attached a microphone to the speaker, which is again connected to the flash system. as soon as the speaker emits a sound, the microphone picks it up and sends a signal to the flashes to trigger them. since i took the images in a completely darkened room, i can just leave the shutter open for a few seconds, only the event illuminated by the triggered flashes is captured.
the shooting is very time-consuming since one has to clean the whole setup after every shot. it`s also a very messy business, everybody, who has ever worked with color pigments knows what i mean :-)
Setup of the shooting: you can see the speaker, placed on the table with the pigments to the left. flashes are placed to the left (main light) and the right ( fill light).
The device, you can see in the right corner, is the trigger circuit, which sends the signal of the mic to the flashes in the background of the image.