Cellphone Speakers
- Smithsonian and DK
- Oct 14, 2016
- 1 min read
This project is borrowed from a book called Maker Lab: 28 Super Cool Projects to Build. One of our many papertowel tubes connects to two paper cups, with a phone-sized slit in the top. Then students experiment with different wadding materials to project the sound to almost twice the volume! Great project for 30-40 minutes. Very TEEN friendly product.
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