Ben created a device with a button and a dial. When one pushes the button and turns the dial a loud frequency screams from it. It's a pretty fun device with a fairly simple circuit. It's based on a design from Instructables of using a LM386 as an Oscillator. The box is Ben's creation.
Once Ben created the box he gave it to me and Toung to get reactions. It took several several minutes of deliveration to figure out where we would place it. We considered placing it at a mall, but I vetoed it as it looks too much like a bomb for my taste.
Finally we decided to go to the front of the library and placed it by a lamp post. And then we recorded it:
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