Visualizing Music With Ferrofluids

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Here’s an ultra-cool DIY project: a Bluetooth speaker with ferrofluid music visualization! The music playing through the speaker drives an electromagnet, which causes the magnetic ferrofluid to pulse and shred in time with the music. Check out the video to see the project in action plus footage of the build coming together. (Video and image credit: DAKD Jung; via Gizmodo)

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