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The Conversation USA

The invisible power of 'flutter' – from plane crashes to snoring to free energy

  • Written by Justin Webster, Assistant Professor of Mathematics and Statistics, University of Maryland, Baltimore County
Flapping flags flutter.withGod/shutterstock.com

With the car windows down on the first warm day of spring, the urge is unshakable. You extend your arm into the wind, tracing the city skyline in a natural motion somewhere between swimming and waving. As you move your hand, you alter the flow of the air. The redirected air in turn exerts a force on...

Read more: The invisible power of 'flutter' – from plane crashes to snoring to free energy

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