Needs New Photo
K1-11: CATHODE RAY TUBE - DEFLECTION BY CURRENT
Category: K1 Forces on Moving Particles
Purpose:
Demonstrate visually the force between two parallel currents.
K1-04: FORCE ON CURRENT IN MAGNETIC FIELD - PORTABLE
Category: K1 Forces on Moving Particles
Purpose:
Demonstrate the force on a current-carrying wire in a magnetic field.
H6-01: FOURIER ANALYSIS OF VOICE
Category: H6 The Voice
Purpose:
Determine the Fourier spectrum of various steady-state spoken and sung vocal (vowel) sounds.
H4-55: YAMAHA DX7S DIGITAL SYNTHESIZER
Category: H4 Music
Purpose:
Demonstrate features of a modern digital synthesizer.
H4-52: SPECTRUM ANALYSIS OF MODULATION
Category: H4 Music
Purpose:
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats.
J1-02: TRIBOELECTRICITY - WATER JET IN AIR
Category: J1 Electrostatic Charge and Force
Purpose:
Illustrate triboelectricity.
H5-31: DIPLACUSIS AND BINAURAL BEATS
Category: H5 The Ear
Purpose:
Demonstrate individually the phenomena of binaural beats and diplacusis.
H5-19: SUM AND DIFFERENCE TONES
Category: H5 The Ear
Purpose:
Quantitatively demonstrate sum and difference tones.
H5-17: WAVETEKS AND AUDIO CART - QUALITY BEATS
Category: H5 The Ear
Purpose:
Demonstrate second order or quality beats.
H5-15: EFFECT OF HARMONIC CONTENT ON TONE QUALITY
Category: H5 The Ear
Purpose:
Illustrate Ohm's Law of Hearing, and to hear the sounds of complex waves produced by the Fourier Synthesizer.
H5-12: WAVETEKS AND AUDIO CART - CRITICAL BAND
Category: H5 The Ear
Purpose:
Demonstrate the effect of the critical band on the sound of two simultaneous sine waves.
H5-11: WAVETEK AND AUDIOCART - FREQUENCY RANGE OF HEARING
Category: H5 The Ear
Purpose:
Demonstrate the approximate frequency range of human hearing.
L6-42: DISTORTION AND CORRECTION
Category: L6 Lenses
Purpose:
Illustrate pincushion and barrel distortion and correction thereof.
L6-35: CHROMATIC ABERRATION - POINT SOURCE AND 20 CM LENS
Category: L6 Lenses
Purpose:
Show the effect of chromatic aberration in a lens.
L6-14: IMAGE OF CONVEX LENS - WITH AND WITHOUT BAFFLE
Category: L6 Lenses
Purpose:
Encourage thought regarding how an image is formed.
L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB
Category: L6 Lenses
Purpose:
Show the real image of a converging lens.
L6-07: MICROWAVES - LENS
Category: L6 Lenses
Purpose:
Demonstrate that a paraffin lens can focus microwaves.
H1-44: ULTRASONIC MOTION DETECTOR WAVE FORM
Category: H1 Nature of Sound
Purpose:
Show the wave form of the ultrasonic signal created by the ultrasonic motion detector.
H1-31: SOUND LEVEL METER
Category: H1 Nature of Sound
Purpose:
Demonstrate use of a sound level meter.
-
H3-01: STANDING SOUND WAVES - TWO SOURCES
Demonstrate the origin of standing waves from two identical sources. Read More
-
H3-02: STANDING SOUND WAVES - REFLECTION
Demonstrate the origin of standing waves from one source and its reflection. Read More
-
H3-03: REFLECTION OF PULSES IN TUBE
Demonstrate the origin of standing waves from one source and its reflection. Read More
-
H3-04: KUNDT'S TUBE - STROKED ROD
Demonstrate standing waves in an air column. Read More
-
H3-05: KUNDT'S TUBE - OSCILLATOR DRIVEN
Demonstrate standing waves in an air column. Read More
-
H3-11: TUNING FORKS AND RESONANT TUBE
Illustrate resonance in an air column. Read More
-
H3-12: ROARING TUBE - 4 FT
Demonstrate standing sound waves in air excited by convection currents. Read More
-
H3-13: ROARING TUBE - 8 FT
Demonstrate standing sound waves in air excited by convection currents. Read More
-
H3-14 TWIRL-A-TUNE
Demonstrates standing wave resonances in an open tube
Read More
-
H3-15: TWIRL-A-TUNE AND VACUUM CLEANER
Demonstrate standing wave resonances in an open tube. Read More
-
H3-16: SINGING PIPES
Show sound resonance created by convection currents in a tube. Read More
-
H3-17 FLAME TUBE
Demonstrates standing waves in a tube
Read More
-
H3-21: SOUND RESONANCE IN WATER TUBE
Demonstrate standing waves in a closed tube. Read More
-
H3-22: RESONANCE TUBE - OSCILLATOR AND PLUNGER
Demonstrate standing waves in a closed tube. Read More
-
H3-23: RESONANCE TUBE - OSCILLATOR, PLUNGER AND MICROPHONE
Demonstrate standing sound waves in a closed tube. Read More
-
H3-24 OPEN AND CLOSED PIPES
Demonstrates open and closed tube standing resonances
Read More
-
H3-25: GALTON'S WHISTLE
Produce high-frequency tones. Read More
-
H3-31: DUCK CALL
Quack like a duck Read More
-
H3-32: RESONANCE IN TUBE - POURING WATER
Demonstrate standing wave resonances in an acoustical closed tube. Read More
-
H3-33: RESONANCE FROM WHITE NOISE IN VARIABLE TUBE
Demonstrate resonance in a closed tube, and to show that noise contains a large range of frequencies.. Read More
-
H3-41: RESONANCE CURVE - HELMHOLTZ RESONATOR
Demonstrate the resonance behavior of a Helmholtz resonator. Read More
-
H3-42: RESONANCE CURVES - OPEN AND CLOSED TUBES
Demonstrate the resonance behavior of open and closed tubes. Read More
-
H3-51: SONOMETER WITH TUNING PEGS
Demonstrate standing waves in a stretched wire and to demonstrate Mersenne's first and second laws. Read More
-
H3-52: SONOMETER WITH WEIGHTS
Demonstrate standing waves in a stretched wire and to demonstrate Mersenne's laws. Read More
-
H3-61 BEAKER BREAKER
Breaks a glass beaker with sound
Read More
-
H3-62: TEACUP STANDING WAVES
Demonstrate circular standing waves in an interesting way. Read More
-
H3-71 STROKED ALUMINUM ROD
Illustrates longitudinal standing waves in an aluminum rod.
Read More
-
H3-72: TUNING RODS
Hear longitudinal standing wave resonances in aluminum rods. Read More
-
H3-73: TUNING RODS - SUSPENDED
Illustrate transverse standing waves in aluminum rods. Read More
-
H3-74: TUNING BAR PARADOX - EFFECT OF WIDTH
Illustrate transverse vibrations of a solid bar struck in the center. Read More
- 1