I built contact microphones to pick up bee hives. They will be used in the hexa hives that Christina Stadlbauer set up on Otaniemi campus. As this is my first attempt to capture the activity of bees inside a hive, I tried two different approaches: (a) attaching piezo elements to the frame in which the bees are supposed to build their combs to and (b) providing a metal structure inside the frame that has a piezo as its center element. As bees are reported to want to cover metal, I expect them to enclose the wires with wax or propolis.
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