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Owl Wings

Santa Clarita Outdoor Report: Acoustic Stealth

In my night-hike tool kit, I carry two short pieces of rope:  one is smooth with a well-defined edge, while the other is frayed with a tattered edge.  I use them to demonstrate the stealth acoustics of owl wings.    Photo courtesy of: Lilian Holt I begin by asking the hikers a question:  When I swing each of these ropes in ...

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