Here’s another great tutorial from Scientific American!
This experiment looks at the science behind buzzing sounds by building homemade noisemakers:
Have you ever tried to make a whistle out of a blade of grass? Or spun around a wooden noisemaker? Making unique sound makers can be lots of fun—and demonstrate some cool science at the same time. This activity will have you buzzing like a bee—and is a perfect one for playing outdoors. Once you understand the basics of how this noisemaker works, you can make a few of different sizes, share them with your friends and form a band of buzzing bees.
We encourage you to check out Scientific American’s wonderful catalogue of science projects here!
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Biohacking — Project Peri – Translates Sound into Light for the Hearing Impaired
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