Watch the FAV-LE22 Fluid Audio Visualizer Turn Music Into Movement


Nanoscale ferromagnetic particles are a truly strange substance. Suspended in an oily fluid, the particles can be made to “dance” under the influence of a strong magnetic source, spasming and gesticulating wildly with movements that almost seem alive. Korean artist and designer Dakd Jung uses the substance to impart his creation, the FAV-LE22 Fluid Audio Visualizer with a mesmerizing and otherworldly level of interactivity to add another dimension to music.

Small square-shaped white audio device with small circular window containing a globule of nanoscale ferromagnetic particles designed to move in relation to music.

Originally developed by NASA in the 1960s, nanoscale ferromagnetic particles were first used for fuel transport in zero-gravity space, spacecraft, and sealing connections in space suits. Jung notes the substance was also suited as a damper for high-end speakers, alongside use in rotating shafts for motors, and for gas sealing.

“While researching ferrofluids, I discovered their interesting movement and prototyped ferromagnetic particles to respond to music,” explains Jung, “Immediately after posting the production video on social media and overseas community websites, the video spread quickly, and I noted how many people liked it.”

Small square-shaped white audio device with small circular window containing a globule of nanoscale ferromagnetic particles designed to move in relation to music set own top of a glossy white table top desk, surrounded by a pair of monitor speakers, desk lamp, books and other indeterminate objects. Backdrop of large windows in background.

Flooded with requests about collaborative opportunities and custom production designs, the artist/designer went to further develop the design into a production model. Thus began the development of the BurnSlap FAV-LE22 Fluid Audio Visualizer.

Top detail of the speaker grill of the square-shaped white audio device with small circular window containing a globule of nanoscale ferromagnetic particles designed to move in relation to music.

Lower half of the FAV-LE22 Fluid Audio Visualizer's control knobs and circular window showing the globule of nanoparticles at rest.

The biggest challenge proved to be keeping the ferrofluid from sticking to glass. “It is very tricky to keep the ferrofluid from sticking to the glass bottle,” explains the designer. “Most of the existing cheap magnetic fluid toys are difficult to use because the magnetic fluid easily sticks to the glass bottle or the magnetic fluid changes after a certain period of time.” He’d go onto develop a special proprietary glass surface processing technology that prevents magnetic fluid from sticking to the glass surface before moving onto developing the hardware circuit design and software algorithm to make the substance dance.

Detail view of the rear ports and power plug of the FAV-LE22 Fluid Audio Visualizer, alongside its feet stand.

The eventual fruit of his efforts, the FAV-LE22 visualizer, is outfitted with modest 5W speakers and can also be connected for pass-through for more robust audio playback support.

Unsurprisingly, all of the attention online has made the $985 FAV-LE22 a very popularly sought-after device. Currently sold out with the first batch of visualizers shipped in late November, the designer will hopefully restock soon to bring the magnetic personality of his creation to more admirers.



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