Not-So-Good Vibrations

Noticing a “strange humming
noise
“ coming from an airport trash bin, several alert airport employees in Australia called the
authorities who immediately shut down the airport. They arrived just in time to find, well, a vibrating sex
toy. The woman who initially discovered the toy said in retrospect that “the humming sounded exactly like a
vibrator”. Really, so that’s a famliar sound, then?