Wednesday, 19 February 2014 11:46
J4-51: THEREMIN
Additional Info
- ID Code: J4-51
- Purpose: Demonstrate the theremin
- Description: A theremin is a musical instrument, invented in the early twentieth century by Russian scientist Dr. Theremin, which uses capacitance to change the pitch and the loudness of the sound. It was popular in dance bands in the first half of the twentieth century, and even used by The Beach Boys in the 1960s. By moving your hands up and down over the triangular capacitor plates on the top of the box, the frequency and loudness of the sound can be varied to produce a musical tune. Perhaps one of the most elegant examples of theremin music is the Rachmaninoff "Vocalise" performed by Clara Rockmore, the most well-known theremin artist ever, with Nadia Reisenberg on the piano. This music is on a CD, The Art of the Theremin, which will be found in our library of CDs in the "MUSIC" section of the demonstration storage.
- Availability: Available
- References: Theremin Home Page
- Loc codes: J4, ME3
- Videos-1: Demonstration video on YouTube
Published in
J4 Capacitance and Polarization
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J4-01 PARALLEL PLATE CAPACITOR
Demonstrates that potential difference across a capacitor is proportional to the plate separation
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J4-03: PARALLEL PLATE CAPACITOR - SERIES CAPACITORS
Demonstrate the effect of capacitors in series. Read More
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J4-04 PARALLEL PLATE CAPACITOR - IONIZATION OF AIR
Demonstrates the mobility of ions
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J4-12: ELECTROSTATIC FORCE - MOVING LUMBER
Demonstrate polarization of water molecules. Read More
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J4-13: MATCHSTICK ON NICKLE UNDER GLASS
A simple trick easily solved with the application of electrostatic force and the polar nature of water molecules. Read More
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J4-21: COLOR FILTER MODEL OF CHARGED DIELECTRIC
Represent charge separation in a capacitor dielectric. Read More
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J4-22 PARALLEL PLATE CAPACITOR WITH DIELECTRIC
Demonstrates that inserting a dielectric into a capacitor increases the capacitance Read More
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J4-23: POLARIZATION OF DIELECTRIC - DISSECTIBLE LEYDEN JAR
Demonstrate that energy is stored in a capacitor as charge separation in the dielectric. Read More
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J4-24: FORCE ON DIELECTRIC IN ELECTRIC FIELD
Demonstrate the force on a dielectric in an electric field. Read More
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J4-31 ENERGY STORED IN A CAPACITOR
Demonstrates that energy is stored in a capacitor and how that energy may be used
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J4-32 DISCHARGE OF CAPACITOR WITH BANG
Demonstrates that capacitors store electrical energy
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J4-41: CAPACITORS
Display a variety of capacitors
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J4-42: CAPACITORS IN SERIES AND PARALLEL
Demonstrate the voltage/charge/capacitance relationships in series and parallel capacitor circuits. Read More
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J4-43: CAPACITORS IN SERIES AND PARALLEL WITH PROJECTION METER
Illustrate voltage relations in series and parallel capacitor circuits. Read More
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J4-51: THEREMIN
Demonstrate the theremin Read More
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