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published by the Exploratorium
This web page provides instructions for building the classic experiment for communicating with two cups and a string, but the emphasis is on communicating by plucking the strings in between the cups. Included are some questions about the experiment and a brief description of the physics.
Subjects Levels Resource Types
Waves and Pendula
- Acoustics
- Informal Education
- Middle School
- Elementary School
- Instructional Material
= Activity
= Laboratory
- Audio/Visual
= Image/Image Set
Intended Users Formats Ratings
- General Publics
- Parent/Guardians
- Learners
- text/html
- image/gif
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Additional Information
Physics To Go This resource was a Physics To Go feature from June 1, 2012 until June 16, 2012. View the feature here!

Access Rights: Free access
Restriction: © 1998 Exploratorium
Has a copyright or other licensing restriction.
Keyword: string telephone
Record Creator: Metadata instance created May 18, 2012 by Bruce Mason
Record Updated: May 21, 2012 by Ed Lee
Other Collections:
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(Exploratorium, San Francisco, 1998), WWW Document, (
Ear Guitar, (Exploratorium, San Francisco, 1998), <>.
APA Format
Ear Guitar. (1998). Retrieved May 22, 2022, from Exploratorium:
Chicago Format
Exploratorium. Ear Guitar. San Francisco: Exploratorium, 1998. (accessed 22 May 2022).
MLA Format
Ear Guitar. San Francisco: Exploratorium, 1998. 22 May 2022 <>.
BibTeX Export Format
@misc{ Title = {Ear Guitar}, Publisher = {Exploratorium}, Volume = {2022}, Number = {22 May 2022}, Year = {1998} }
Refer Export Format

%T Ear Guitar %D 1998 %I Exploratorium %C San Francisco %U %O text/html

EndNote Export Format

%0 Electronic Source %D 1998 %T Ear Guitar %I Exploratorium %V 2022 %N 22 May 2022 %9 text/html %U

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The APA Style presented is based on information from APA Electronic References.

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