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Sound of the earth
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"The sound of the earth"

Media: installation using earth, composting, earthworms, electronic sensors and loud speaker.

The project uses the natural process known as bioturbation whereby nature enriched the soil from leaves and other organic waste that are accumulated on its surface, especially during the fall. The bioturbation process can take many forms, but, in any case, waste accumulated in the earth's surface is transformed into fertilizer and soil by living organisms such as bacteria, fungi and, above all, earthworms.

This process allows the products to emerge from the earth and to become nourishing elements inside of it, thus constituting a cycle in which the different layers of life - those on the surface and those in the bottom of the earth - could be mixed, transformed, and mutually enrich each other. In a city like Berlin, this process is actually controlled by man through the recycling of organic materials that combine, by this way, human and nature actions in the fabrication of compost.

The sound of the earth takes its base on this fabrication process. The compost is formed in a double level container. On the top level there is waste and at the down level earth. By the action of bioturbation, the waste became fertilizer. We will place one set of electronic sensors in the middle of the compost waste and another one in the middle of the earth in order to capture the sounds produced by this cycle and made, particularly, by the action of earthworms.

These sounds are amplified and retransmitted to the outside by a system of loudspeakers. The installation literally allows us to listen the sound of the earth and the activity that it contains.