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What do you need to make the simplest form of a speaker? Surprisingly, you probably already have everything you need! Click on the “Parts list” tab to see what you need to make both bone conducting headphones and your own speaker! Then, if you still want more, click on the “Further Learning” tab to learn more about the history of speakers!
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Here’s what you will need for these projects:
Bone Conducting Headphones
- Small DC Motor
- An old pair of headphones
Cheap Speaker
- A Paperclip
- A business card
- A strong magnet
- An old pair of headphones
[/vc_column_text][/vc_tab][vc_tab title=”Further Learning” tab_id=”1402713403419-2-1afe7-cbb1″][vc_column_text]
- Hans Christian Ørsted – Danish Physicist that discovered Electromagnetism in 1824.
- Ernst Siemens – Invented the first electromagnetic speaker in 1877
- Johann Phillip Reis – Was a German inventor who created the first telephone (including a microphone and speaker) in 1861)
- Wikipedia article on loudspeakers
- Beethoven and bone conducting technology
- Visual timeline of speaker history
- Inventions of Johann Phillip Reis
- Khan Academy course on Electromagnetism
- Wikihow – How to make an electromagnet
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