For that crispy, crunchy audio In 1921, two scientists made the first modern loudspeaker out of magnets, wire, and paper. Now manufacturers use synthetic fibers and even ferrofluid. Why stop there? Your kitchen contains plenty of materials to build a functional woofer. A potato chip works as a sound-emitting diaphragm here, but other rigid foods work just as well. Time: 5 to 10 minutes Cost: A few bucks Difficulty: 1/5 1) Gather the parts 25 feet of 30-gauge magnet wire Two ¾-inch-diameter-by...
For that crispy, crunchy audio In 1921, two scientists made the first modern loudspeaker out of magnets, wire, and paper. Now manufacturers use synthetic fibers and even ferrofluid. Why stop there? Your kitchen contains plenty of materials to build a functional woofer. A potato chip works as a sound-emitting diaphragm here, but other rigid foods work just as well. Time: 5 to 10 minutes Cost: A few bucks Difficulty: 1/5 1) Gather the parts 25 feet of 30-gauge magnet wire Two ¾-inch-diameter-by...
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