Electromagnetic Radiation
K8-46: Radio Waves & Faraday Cage
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates that radio waves do not penetrate a Faraday cage
K7-61: TESLA COIL
Category: K7 RLC Circuits
Purpose:
Demonstrate a tesla coil, including how magnetic induction and a resonant RLC circuit is used in the production of high-voltage high-frequency sparks.
K7-45: LOW AND HIGH PASS FILTERS
Category: K7 RLC Circuits
Purpose:
Demonstrate use of a series RL circuit as a low-pass filter and a series RC circuit as a high-pass filter.
K8-52: MICROWAVE MAGNETRON
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show students what the magnetron tube from a typical microwave oven looks like.
K8-51: MICROWAVE OVEN
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate operation and experimentation with a microwave oven.
K8-44: RADIOWAVES - COUPLING OF WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Illustrate inductive coupling using radio waves.
K8-43: RADIOWAVES - FREQ MEASUREMENT WITH OSCILLOSCOPE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Experimentally determine the frequency of the radiowave transmitter.
K8-41: HERTZIAN DIPOLES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show the shape and polarization of the radiation field around a dipole antenna.
K8-33: NANOSECOND CABLES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Cables which delay a signal by a fixed time interval.
K8-32: PULSES IN TRANSMISSION LINES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate the reflection of pulses in terminated and unterminated transmission lines and to determine the speed of an electromagnetic wave in the transmission line.
K8-31: TRANSMISSION LINE SAMPLE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show a large coaxial cable transmission line.
K8-22: MICROWAVES - TUBULAR WAVEGUIDE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate transmission of microwaves in a tubular "waveguide."
K8-21: MICROWAVES - WAVEGUIDES
Category: K8 Electromagnetic Waves and Sources
Purpose:
See what microwave waveguide components look like and to discuss their functions.
K8-14: RADIOWAVES - STANDING WAVES IN AN ANTENNA
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show standing waves in a dipole antenna.
K8-13: RADIOWAVES - LECHER WIRE STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Illustrate standing electromagnetic waves in a high-impedance transmission line.
K8-12: RADIOWAVES - STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate standing waves using radio waves.
K8-11: MICROWAVES - STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate microwave standing waves.
K8-05: ELECTROMAGNETIC PLANE WAVE MODEL
Category: K8 Electromagnetic Waves and Sources
Purpose:
Illustrate the geometry of a polarized electromagnetic plane wave.
H4-58: MODULATION - AM RADIO
Category: H4 Music
Purpose:
Show amplitude modulation in in AM radio signals.
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H4-01: FOURIER SYNTHESIS
Demonstrate Fourier synthesis of complex wave shapes Read More
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H4-04 FOURIER ANALYSIS - DIGITAL OSCILLOSCOPE
Demonstrates the Fourier spectrum of complex waves Read More
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H4-11 SAVART'S DISCS
Demonstrates the relationship of pitch and musical intervals to mechanical vibration frequency Read More
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H4-12: LISSAJOUS FREQUENCY MEASUREMENT
Show how frequencies can be matched using Lissajous figures Read More
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H4-13: PLAYING IN JUST INTONATION
Show musical intervals in just intonation Read More
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H4-14: LISSAJOUS FIGURES - VOICE
Provide a Lissajous type display from a single vocal source Read More
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H4-16: TUNER - KORG
Demonstrate use of an electronic tuner Read More
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H4-17: AUDIOTAPE 16 MIN - MUSICAL TEMPERAMENT
Demonstrate use of an electronic tuner Read More
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H4-18: LISSAJOUS FIGURES WITH SOUND
Demonstrate use of an electronic tuner Read More
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H4-21: EDGE TONES
Illustrate edge tones and the factors that effect their sound Read More
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H4-22: BOTTLE BAND
Demonstrate how edge tones and Helmholtz resonators can be used to create a bottle band Read More
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H4-23: SOUND BOARD - TUNING FORK AND LECTURE TABLE
Demonstrate the effect of a sounding board Read More
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H4-31: VIOLIN
Demonstrate some acoustical features of the violin Read More
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H4-32: VIBRAPHONE
Illustrate how a vibraphone works Read More
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H4-33: ORGAN PIPE
Illustrate how an organ pipe works Read More
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H4-34: GUITAR AND OSCILLOSCOPE
Illustrate how a guitar works Read More
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H4-35: FRENCH HORN
Show what a French horn and other similar instruments, such as the French horn, look like Read More
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H4-36: LIP-BLOWN TUBE
Determine the frequencies and harmonic numbers of the resonances in a plastic tube blown like a trumpet Read More
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H4-37: FLEXIBLE TRUMPET
Demonstrate some acoustical features of the trumpet Read More
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H4-38: CORNET
Demonstrate the features of a cornet Read More
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H4-39: PLASTIC TUBE FLUTE
Show basic features of a very simple flute Read More
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H4-40: PLASTIC TUBE CLARINET
Demonstrate how the clarinet overblows at a musical twelfth Read More
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H4-41: DRUM
Demonstrate a pretty drum Read More
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H4-42 RECORDER
Can hear the sounds of a recorder Read More
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H4-43: UKELELE
Experiment with the increasingly-popular ukelele Read More
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H4-51: MODULATION - AM AND FM
Demonstrate AM and FM signal modulation as an introduction to vibrato and tremolo Read More
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H4-52: SPECTRUM ANALYSIS OF MODULATION
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats Read More
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H4-53: MOOG ROGUE SYNTHESIZER
Illustrates a simple analog music synthesizer Read More
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H4-55: YAMAHA DX7S DIGITAL SYNTHESIZER
Demonstrate features of a modern digital synthesizer Read More
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H4-56: SYNTHESIZER INTRODUCTION - VOLTAGE CONTROL OF FREQUENCY
Illustrate a voltage-controlled frequency device Read More
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H4-58: MODULATION - AM RADIO
Show amplitude modulation in in AM radio signals Read More
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H4-64: DISTORTION IN AUDIO AMPLIFIER
Demonstrate distortion due to over-driving an audio amplifier Read More
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H4-65: CROSSOVER NETWORK FOR SPEAKERS
Demonstrate the operation af a crossover network. Read More
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H4-66: CROSSOVER NETWORK - LARGE ADVENT
Show circuit and components of a passive crossover network and how the crossover network functions Read More
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H4-67: CD WITH HOLE
See if a compact disc will play even if it has a small hole drilled through it Read More
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H4-68: MP3 COMPRESSION
Play and compare various MP3 compressions of a short musical CD excerpt Read More
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H4-71: AUDIOTAPE 20 MIN - ACOUSTICS FOR THE MUSIC EDUCATOR
Illustrate some principles of room acoustics as applied to music rehearsal rooms and concert halls Read More
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H4-81: AUDIO CART - COMPLETE AUDIO SYSTEM
Show the various components of a reasonably modern audio system Read More
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H4-91: COMPACT DISC - MULTIMEDIA SOUND
Demonstration of a number of audio effects and source of a variety of musical instrument and other sounds Read More
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H4-92: AUDIO RECORDING - DIGITAL DOMAIN DEMONSTRATION CD
Examples of early digital sound reproduction Read More
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