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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.
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N1-01: PRISMATIC SPECTRUM OF WHITE LIGHT - POINT SOURCE
Demonstrate continuous spectrum. Read More
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N1-03: PRISMATIC SPECTRUM OF WHITE LIGHT - WATER PRISM
Demonstrate continuous spectrum using water as the dispersing medium. Read More
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N1-05 SPECTRA - VISIBLE AND INVISIBLE
Demonstrates continuous spectrum
Read More
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N1-06: POLYPRISM SPECTRA
Demonstrate continuous spectra with several different types of glass. Read More
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N1-07: VARIATION OF SPECTRUM WITH LAMP INTENSITY
Demonstrate continuous spectrum as the brightness of the source changes Read More
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N1-08: GOETHE'S PUZZLE
Show the view of a slide through a prism and argue about color theory. Read More
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N1-09: COMPLEMENTARY SPECTRUM
Display the spectrum of a "negative" slit. Read More
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N1-11: DIFFRACTION SPECTRUM OF WHITE LIGHT - POINT SOURCE
Demonstrate continuous spectrum. Read More
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N1-12: DIFFRACTION SPECTRA - GRATING ON OVERHEAD PROJECTOR
Very simple white light diffraction spectrum. Read More
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N1-13: DIFFRACTION SPECTRUM OF WHITE LIGHT - PORTABLE
Individual observation of white light spectrum. Read More
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N1-14: REFLECTION GRATING - LARGE
Show a spectrum from a small bright source. Read More
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N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS
Show how a prism can recombine previously dispersed white light. Read More
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N1-22: OPTICAL BOARD - PRISMS - SEPARATE AND RECOMBINE
Separate white light into its component colors with a prism and use an identical prism to recombine the light. Read More
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N1-23: FINE RESOLUTION OF SPECTRUM USING TWO PRISMS
Increase the dispersion in a white light spectrum by adding a second prism. Read More
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N1-31: SUN DOG - MODEL
Show how a "sun dog" is formed. Read More
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N1-32: ICE CRYSTALS - PAPER MODELS
Illustrate how two types of ice crystals formed high in the atmosphere float downward through the air with preferred orientations. Read More
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N1-41: RAINDROP RAY MODEL
Illustrate formation of a rainbow. Read More
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N1-42: RAINDROP MECHANICAL MODEL
Illustrate rays in formation of a rainbow. Read More
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N1-43: RAINBOW - GLASS BEAD MODEL
Observe an almost complete circular rainbow formed by glass beads. Read More
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N1-44: OPTICAL BOARD - RAINBOW
Demonstrates internal reflection and dispersion of light
Read More
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N1-45: RAINBOW - WATER FLASK
Demonstrate a large angle rainbow. Read More
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N1-51: SPECTROMETER - HAND HELD
Demonstrate spectra individually. Read More
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N1-61: REFRACTION OF LIGHT IN DIAMOND
Show how a diamond produces colors from white light. Read More
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