Demonstrate how sound waves can be focused by concave reflectors. Read More
Show what a parabolic microphone is and to demonstrate its sensitivity individually. Read More
Illustrate how RADAR and SONAR work Read More
Demonstrate focusing of sound by refraction in a sound lens Read More
Demonstrates interference of sound waves with two coherent sources
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An optical analog to the interference pattern from two identical sound sources. Read More
Demonstrate interference of sound with two coherent sound sources in a quantitative way. Read More
Demonstrate interference of sound waves in a perhaps surprising way. Read More
Demonstrate interference of sound in a dramatic way. Read More
Dramatically demonstrate interference between two identical sources. Read More
Demonstrate addition of two sine waves with variable phase difference. Read More
Demonstrate the effect of frequency on diffraction of sound. Read More
Demonstrates diffraction and interference of sound waves
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Demonstrate the effect of an exponential horn enclosure. Read More
Demonstrates Doppler effect
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Demonstrates Doppler effect
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Hear audio beats and see their wave forms on an oscilloscope
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Demonstrate beats, and to demonstrate resonance between two identical tuning bar resonators. Read More
Hear beats
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Model for beats between mistuned audio oscillators. Read More
Illustrate beats and resonance. Read More