Needs New Photo
H3-03: REFLECTION OF PULSES IN TUBE
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the phase of pulses reflected from open ends and closed ends of a tube.
H3-02: STANDING SOUND WAVES - REFLECTION
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from one source and its reflection.
H3-01: STANDING SOUND WAVES - TWO SOURCES
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from two identical sources.
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate addition of two sine waves with variable phase difference.
H2-25: QUINCKE'S INTERFERENCE TUBES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound waves in a perhaps surprising way.
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound with two coherent sound sources in a quantitative way.
H2-03: ACOUSTIC RADAR
Category: H2 Wave Properties of Sound
Purpose:
Illustrate how RADAR and SONAR work
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate how sound waves can be focused by concave reflectors.
G3-52: ROPE WAVE GENERATOR - ROPE TENSION VS WAVELENGTH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Observe the change in wavelength of a vibrating rope as the tension is varied.
G3-42: TORSIONAL WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate wave phenomena such as traveling waves, standing waves, and reflection of waves.
G3-25: SLINKY ON LECTURE TABLE - IMPEDANCE MISMATCH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show partial reflections and dependence of wave speed on density of the medium.
G3-23: TRANSVERSE WAVES ON A LONG SPRING - FREE END
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show reflections at a free end.
G3-11: SHIVE WAVE MACHINE - RESONANCE ABSORPTION
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate resonance absorption of wave energy by a mass-on-spring system.
G3-10: SHIVE WAVE MACHINE - BRANCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate branching and recombining with two wave machines in parallel.
G3-09: SHIVE WAVE MACHINE - FREQUENCY FILTERING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate frequency filtering through a "filter" consisting of four weighted crossarms and the interference from partial reflections they produce.
G3-08: SHIVE WAVE MACHINE - FABREY-PEROT INTERFEROMETER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate the mechanical analog of the optical Fabrey-Perot interferometer.
G3-07: SHIVE WAVE MACHINE - TAPERED TRANSFORMER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Useful for obtaining a reasonably good impedance match between the two large segments of the Shive machine.
G3-05: SHIVE WAVE MACHINE - PARTIAL REFLECTIONS
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that a wave will be partially reflected at a point where the impedance changes.
G3-06: SHIVE WAVE MACHINE - IMPEDANCE MATCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that no reflection occurs when the impedance of the load (absorber at right) matches the impedance of the wave machine.
G3-04: SHIVE WAVE MACHINE - STANDING WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate standing waves.
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H5-01: EAR MODEL
Illustrate the parts of the ear, their spatial relationships, and their functions Read More
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H5-02: ANATOMY OF THE EAR - SLIDES AND ATLAS
Illustrate the anatomy of the ear with actual photogrraphs Read More
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H5-03: STETHOSCOPE
Hear with a stethoscope, and to experience the time resolution between the two ears Read More
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H5-11: WAVETEK AND AUDIOCART - FREQUENCY RANGE OF HEARING
Demonstrate the approximate frequency range of human hearing Read More
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H5-12: WAVETEKS AND AUDIO CART - CRITICAL BAND
Demonstrate the effect of the critical band on the sound of two simultaneous sine waves Read More
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H5-13: WAVETEKS AND AUDIOCART - MASKING
Demonstrate masking Read More
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H5-15: EFFECT OF HARMONIC CONTENT ON TONE QUALITY
Illustrate Ohm's Law of Hearing, and to hear the sounds of complex waves produced by the Fourier Synthesizer Read More
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H5-16: OHM'S LAW OF HEARING - FOURIER SYNTHESIZER
Validate Ohm's Law of Hearing for a simple case Read More
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H5-17: WAVETEKS AND AUDIO CART - QUALITY BEATS
Demonstrate second order or quality beats Read More
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H5-18: DIFFERENCE FREQUENCIES - AUDIO CART
Demonstrate difference tones Read More
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H5-19: SUM AND DIFFERENCE TONES
Quantitatively demonstrate sum and difference tones Read More
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H5-20: HEARING SCIENCE LABORATORY - FREQUENCY JND
Demonstrate the frequency just noticeable difference and, in general, to demonstrate a large number of hearing tests as performed by… Read More
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H5-21: THREE DECIBELS
Demonstrate the logarithmic nature of dBs
Read More
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H5-22: EFFECT OF ATTACK TRANSIENT ON TONE QUALITY OF CORNET
Illustrate how attack transients strongly affect the tone quality of a musical instrument Read More
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H5-31: DIPLACUSIS AND BINAURAL BEATS
Demonstrate individually the phenomena of binaural beats and diplacusis Read More
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H5-41: COMPACT DISC - AUDITORY DEMONSTRATIONS
Provides a wide variety of auditory demonstrations and illusions, monaural and binaural Read More
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H5-42: AUDIOTAPE 24 MIN - GETTING THROUGH
Demonstrate some hearing defects common to hearing impaired individuals, and to illustrate how these defects can be partially corrected using… Read More
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H5-43: AUDIOTAPE 6 MIN - SHEPARD'S TONES
Illustrate the audio analog to the "spiral staircase" effect Read More
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H5-44: AUDIOTAPE 55 MIN - AUDIO DEMONSTRATIONS
Illustrate a variety of audio demonstrations and effects Read More
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H5-45: AUDIOTAPE 32 MIN - AUDITORY ILLUSIONS AND EXPTS
Illustrate a variety of audio effects and illusions Read More
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H5-46: COMPACT DISC - MUSICAL ILLUSIONS AND PARADOXES
Demonstrate sound illusions Read More
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H5-47: COMPACT DISC - PHANTOM WORDS AND OTHER CURIOSITIES
Demonstrate audible illusions Read More
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H5-48: COMPACT DISC - SHEPARD'S TONES
Illustrate the audio analog to the "spiral staircase" effect Read More
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H5-49: McGURK EFFECT
Illustrate the McGurk Effect Read More
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