Marvin and Milo

Explore physics the exciting way, by trying out a simple and fun experiment. This month, Screech Don't forget to check back next month for the next edition...

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What you need






Fold a small piece of paper three times so you have a concertina

Cut two slits into the middle ridge

Hold the paper up to your mouth and blow

Results & explanation


The high-pitched sound you hear is created by the paper vibrating. 

Read more about vibrations on


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