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Stealthy moths avoid bats with acoustic camouflage

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  • Univ. of Bristol
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Article
Similar to how stealth materials were developed to reduce the radar wave energy returning from an aircraft, here we explore a low-cost laboratory demonstration that uses similar principles to prevent detection of an object by an ultrasonic sensor. This demonstration setup can be used as a starting point to encourage students to explore the surface properties of materials and the ways in which ultrasonic ranging sensors operate.
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