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loudspeaker: Media
audio instrument
Videos
Creating speakers with ultrathin graphene technology
Researchers have developed a new type of speaker, fabricated from ultrathin flexible...
Video: © American Chemical Society (A Britannica Publishing Partner)
Understanding wave interference through sound experiments
Overview of interference using the example of sound waves.
Video: Encyclopædia Britannica, Inc.
Images
stereophonic high-fidelity record player
Stereophonic high-fidelity record player featuring a vinyl long-playing disc rotating...
Encyclopædia Britannica, Inc.