Physics teachers. Just a quick demo using #repurposedphysics kit. This time for sound lessons. Just a slinky and a cup needed 🙂

Link to video on youtube

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And thus science fiction laser fire audio is Born!!!!

That sounds just like the sound I've heard tracks make when there's a train approaching from quite a distance...I always think it sounds like a sci-fi battle.

Works well with a Gratnell tray too

One of my favourites! 🤩

Has anyone tried this with a paper or card cup? We can't use any polystyrene in school due to allergies.

I think this is far more about accoustical coupling than amplification. True, passive amplification always involves coupling, but it is often accompanied with wave shaping in which energy is redirected into modes, the sounds we come to hear.

Shocking post