₁₊₂₊₃ Sneaky Uses for Everyday Things _{By Cy Tymony}

Turn a cup into a speaker and a microphone. People seldom think about the com-
mon devices they use everyday and even less about adapting them for other
purposes. Anyone can learn real-life MacGyverisms using everyday items — you
just have to be a little sneaky.

Turn a Cup into a Speaker: A typical to push and pull the paper cone. This rapid motion speaker consists of a coil of wire attached to a vibrates the air to create sound. paper cone with a magnet mounted close by. When This project illustrates how to use an ordinary an audio signal travels through the wire, it creates paper or styrofoam cup, wire, and a magnet to cre-a magnetic field. Since magnets attract and repel ate a Sneaky Speaker. each other, the speaker’s magnet causes the coil

 

You will need: Cup, magnet, thin insulated wire, tape, 1-inch plug cable, radio or music player (with earphone jack)