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loudspeaker
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Images & Videos
loudspeaker
Creating speakers with ultrathin graphene technology
stereophonic high-fidelity record player
Understanding wave interference through sound experiments
Discover
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Snowshoe hare (Lepus americanus) with its Summer coat on the left side and its winter coat on the right.
7 Animals That Turn White in Winter
Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)
Falling Stars: 10 of the Most Famous Endangered Species
Set of emoticon. Smile icon set.
What’s the Difference Between Emoji and Emoticons?
cloning. First cloned cat. First cloned companion animal. CC (copy cat) female domestic shorthair cat (b. Dec. 22, 2001) photo Jan. 18, 2002. Cloned at Texas A&M Univ. College of Vet. Med. & Biomedical Sciences. Reproductive cloning genetics DNA cc cat
CC, The First Cloned Cat
United States electoral college map showing number of electoral votes by state.
How Does the Electoral College Work?

loudspeaker: Media

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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

loudspeaker
Four-way loudspeaker.
Tobias Rütten
stereophonic high-fidelity record player
Stereophonic high-fidelity record player featuring a vinyl long-playing disc rotating...
Encyclopædia Britannica, Inc.