{"product_id":"dancing-ferrofluid-music-rhythm-ferrofluid-speaker-music-partner-ferrofluid-display-lamp-magnet-liquid-toy-deskto-speaker-gifts","title":"Ferrofluid speaker that dances to the rhythm of the music - ONDA","description":"\u003cstyle\u003e\n.aa{font-family:Georgia,'Times New Roman',serif;color:#1A1A1A;line-height:1.7;font-size:15px;max-width:760px;margin:0 auto}\n.aa p{margin:0 0 1rem}\n.aa a{color:#185FA5;text-decoration:underline}\n.aa .aa-title{display:inline-block;border-bottom:2px solid #FAC775;padding-bottom:4px;font-size:16px;font-weight:600;margin:1.75rem 0 .5rem;letter-spacing:.3px;color:#1A1A1A}\n.aa .aa-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:3px 10px;border-radius:20px;margin:0 4px 4px 0;vertical-align:middle;font-family:Georgia,serif}\n.aa .aa-badge-or{background:#FAC775;color:#1A1A1A}\n.aa .aa-badge-brun{background:#5C3A1E;color:#FFF9E8}\n.aa 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summary::after{content:\"\\2212\"}\n.aa .aa-a{font-size:13px;color:#3a3a3a;margin-top:.5rem}\n.aa .aa-a p{margin:0 0 .5rem}\n@media(max-width:600px){.aa .aa-vars,.aa .aa-ben{grid-template-columns:1fr}}\n\u003c\/style\u003e\n\u003cdiv class=\"aa\"\u003e\n\n\n\u003cp\u003e\u003cspan class=\"aa-badge aa-badge-brun\"\u003eWooden housing\u003c\/span\u003e \u003cspan class=\"aa-badge aa-badge-noir\"\u003eFerrofluid\u003c\/span\u003e Music finally becomes visible. The \u003cstrong\u003eONDA ferrofluid speaker\u003c\/strong\u003e combines a small portable speaker with a \u003cstrong\u003eglass porthole\u003c\/strong\u003e housing \u003cstrong\u003eblack ferrofluid\u003c\/strong\u003e: a liquid filled with magnetic particles that bristles with \u003cstrong\u003espikes\u003c\/strong\u003e, ripples, and falls back \u003cstrong\u003eto the rhythm of the sound\u003c\/strong\u003e. Every bass note and every percussion beat translates into an ephemeral liquid sculpture, different for every track. The vertical \u003cstrong\u003ewooden\u003c\/strong\u003e housing comes in two grain finishes, grey or light natural, accented by a blue porthole and triangle on the front. Thanks to its \u003cstrong\u003ebuilt-in battery\u003c\/strong\u003e, rated for approximately 12 hours of use, it charges via \u003cstrong\u003eUSB-C port\u003c\/strong\u003e and moves freely from desk to living room. A small green magnet-stylus accompanies the speaker in the manufacturer's photos, allowing you to play with the liquid manually. Neither a flashy gadget nor a simple speaker, ONDA is a \u003cstrong\u003escientific curiosity\u003c\/strong\u003e that turns listening into a hypnotic spectacle, naturally finding its place in our Lab universe.\u003c\/p\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eThe two wood finishes\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-vars\"\u003e\n\n  \u003cdiv class=\"aa-var\"\u003e\n\n\u003cdiv class=\"aa-var-v dark\" style=\"background:linear-gradient(135deg,#6E6E6E 0%,#8A8A8A 50%,#5E5E5E 100%)\"\u003eGREY WOOD\u003c\/div\u003e\n\n\u003cdiv class=\"aa-var-i\"\u003e\n\n\u003cspan class=\"aa-var-n\"\u003eGrey grained wood\u003c\/span\u003e\u003cspan class=\"aa-var-d\"\u003eGrey grain, contemporary and mineral look, ideal with black, metal, and concrete\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-var\"\u003e\n\n\u003cdiv class=\"aa-var-v light\" style=\"background:linear-gradient(135deg,#C8A06A 0%,#D4B07A 50%,#C0904A 100%)\"\u003eNATURAL WOOD\u003c\/div\u003e\n\n\u003cdiv class=\"aa-var-i\"\u003e\n\n\u003cspan class=\"aa-var-n\"\u003eNatural grained wood\u003c\/span\u003e\u003cspan class=\"aa-var-d\"\u003eLight yellow grain, Scandinavian and warm spirit, perfect with light tones\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-mat\"\u003e\n\n\u003ch3\u003eFerrofluid: a liquid that obeys magnets\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eFerrofluid\u003c\/strong\u003e is a suspension of nanoscale iron oxide particles, coated with a surfactant to prevent clumping, in a carrier liquid. It was developed in the 1960s as part of space research to control fuel movement in zero gravity. At rest, it behaves like a black, shiny oil; but as soon as a magnetic field approaches, each particle aligns with the field lines, and the entire liquid rises into regular spikes.\u003c\/p\u003e\n\n\u003cp\u003eThese spikes, known as the \u003cstrong\u003eRosensweig instability\u003c\/strong\u003e, result from an equilibrium between magnetic force, gravity, and surface tension. In the speaker, an electromagnet placed under the porthole varies the magnetic field based on the audio signal: the more intense the sound, the higher the spikes rise. The liquid thus becomes a true analog \u003cstrong\u003emusic visualizer\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis fascinating property explains why ferrofluid has become a favorite material for artists and designers: it makes a force that we never see—magnetism—perceptible. In industrial applications, it is notably used as a hermetic seal around rotating shafts or to dampen and cool certain speakers. Here, it leaves the inside of the machine to be displayed behind glass, like a little home laboratory experiment.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eWhy you will love it\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-ben\"\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e✦\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eMusic in relief\u003c\/span\u003e\u003cspan class=\"ds\"\u003eThe ferrofluid bristles and ripples to the rhythm of the bass, for an ever-renewed spectacle.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e◆\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eA wooden housing\u003c\/span\u003e\u003cspan class=\"ds\"\u003eTwo grain finishes, grey or natural, for a speaker that blends with your interior.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e➤\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eAutonomous and portable\u003c\/span\u003e\u003cspan class=\"ds\"\u003eBuilt-in battery rated for approximately 12 hours and rechargeable via USB-C.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e✦\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eA real physical phenomenon\u003c\/span\u003e\u003cspan class=\"ds\"\u003eNo screens or animations: these are real magnetic particles dancing before your eyes.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e◆\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eSimple to use\u003c\/span\u003e\u003cspan class=\"ds\"\u003eNo app to install: a switch, your music, and the show begins.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e➤\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eAn intriguing gift\u003c\/span\u003e\u003cspan class=\"ds\"\u003eMusic lovers, science enthusiasts, and design fans are all captivated by the black liquid.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-des brun\"\u003e\n\n\u003cp class=\"t\"\u003eWhen sound takes shape\u003c\/p\u003e\n\n\u003cdiv class=\"x\"\u003e\n\n\u003cp\u003eWe have long sought to \"see\" music. In the 18th century, physicist Ernst Chladni sprinkled sand on metal plates and vibrated them with a bow: the sand drew geometric figures revealing invisible waves. ONDA follows in this tradition, with a material Chladni could not have imagined: a \u003cstrong\u003emagnetic liquid\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eSitting on a shelf, the speaker remains discreet, a simple wooden case with a dark porthole. Start a track and the liquid awakens: \u003cstrong\u003eblack thorns\u003c\/strong\u003e rise to a bass drum, quiver to a bassline, and settle into silence. Jazz gives it feline suppleness, electro a nervous energy, and classical music provides slow breathing. The wood brings warmth, the ferrofluid mystery: a dialogue between natural material and \u003cstrong\u003ecutting-edge physics\u003c\/strong\u003e, to be listened to as much as it is watched.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-steps\"\u003e\n\n\u003ch4\u003eGetting started in 4 steps\u003c\/h4\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e1\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eCharge the speaker\u003c\/strong\u003e via its USB-C port with a 5V USB power supply before first use.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e2\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003ePlace it flat\u003c\/strong\u003e, porthole facing you, on a stable surface away from devices sensitive to magnets.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e3\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eTurn on the switch\u003c\/strong\u003e and pair the speaker with your audio source by following the manual included with the device.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e4\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eStart a rhythmic track\u003c\/strong\u003e and adjust the volume: the ferrofluid spikes react more to bass and percussion.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eFerrofluid speaker or display ferrofluid?\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-cmp\"\u003e\u003ctable\u003e\n\n\u003cthead\u003e\u003ctr\u003e\n\n\u003cth\u003eCriteria\u003c\/th\u003e\n\n\u003cth\u003eONDA Speaker\u003c\/th\u003e\n\n\u003cth\u003eLab display ferrofluid\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePrinciple\u003c\/td\u003e\n\n\u003ctd\u003eElectromagnet driven by sound\u003c\/td\u003e\n\n\u003ctd\u003eHand-manipulated magnet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003eAudio function\u003c\/td\u003e\n\n\u003ctd\u003eYes, built-in speaker\u003c\/td\u003e\n\n\u003ctd\u003eNo\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAnimation\u003c\/td\u003e\n\n\u003ctd\u003eAutomatic, rhythmic to music\u003c\/td\u003e\n\n\u003ctd\u003eManual, based on your gestures\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003ePower\u003c\/td\u003e\n\n\u003ctd\u003eRechargeable battery, USB-C\u003c\/td\u003e\n\n\u003ctd\u003eNone\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eHousing\u003c\/td\u003e\n\n\u003ctd\u003eGrey or natural grained wood\u003c\/td\u003e\n\n\u003ctd\u003eVaries by model\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003eIdeal use\u003c\/td\u003e\n\n\u003ctd\u003eLiving room, office, musical evening\u003c\/td\u003e\n\n\u003ctd\u003eDesk object for manipulation\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-info\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e ferrofluid reacts mainly to \u003cstrong\u003elow frequencies\u003c\/strong\u003e and volume variations. Very soft tracks or low-volume playback will produce subtle movements; a track rich in percussion will make the liquid dance spectacularly. Find other fascinating experiments involving matter in our \u003ca href=\"\/en\/collections\/mineraux-et-chimie\"\u003eminerals and chemistry\u003c\/a\u003e collection.\u003c\/p\u003e\n\n\u003cp\u003eThe closed porthole protects the liquid from air and dust. Main precautions concern heat, shocks, and transport, which can disperse the ferrofluid or leave marks on the inner wall. Passing the magnet-stylus over it is usually enough to restore its appearance.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-tip\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e If the liquid seems dispersed or stuck to the wall after a long period of disuse, gently bring the green magnet-stylus (visible in the manufacturer's photos) closer to gather it. Avoid shaking the speaker: a clean porthole and well-grouped liquid ensure the most beautiful patterns.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAmbiance tip:\u003c\/strong\u003e Place the speaker at eye level in soft, side-lighting: the reflections on the black spikes will be even more graphical.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eTechnical specifications\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-sp\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eType\u003c\/td\u003e\n\n\u003ctd\u003ePortable speaker with ferrofluid visualizer\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eHousing\u003c\/td\u003e\n\n\u003ctd\u003eWood, grey or natural light grain\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePorthole\u003c\/td\u003e\n\n\u003ctd\u003eRound, glass\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAnimation\u003c\/td\u003e\n\n\u003ctd\u003eBlack ferrofluid reacting to sound\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eChannels\u003c\/td\u003e\n\n\u003ctd\u003e1 full-range speaker\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eBattery\u003c\/td\u003e\n\n\u003ctd\u003eBuilt-in, approx. 12h rated\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCharging\u003c\/td\u003e\n\n\u003ctd\u003eUSB-C port, 5V USB power supply\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMains adapter\u003c\/td\u003e\n\n\u003ctd\u003eNot included\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eApplication\u003c\/td\u003e\n\n\u003ctd\u003eNone required\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eControl\u003c\/td\u003e\n\n\u003ctd\u003eOn\/off switch\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eWater resistance\u003c\/td\u003e\n\n\u003ctd\u003eNot waterproof\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDimensions and weight\u003c\/td\u003e\n\n\u003ctd\u003eNot communicated\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-warn\"\u003e\u003cp\u003e\u003cstrong\u003ePrecautions:\u003c\/strong\u003e the speaker contains an \u003cstrong\u003eelectromagnet\u003c\/strong\u003e and, depending on the photos, a magnet-stylus: keep away from \u003cstrong\u003epacemaker or implantable defibrillator\u003c\/strong\u003e wearers, as well as credit cards, mechanical watches, and magnetic storage media. Never attempt to open the porthole: ferrofluid permanently stains skin, fabrics, and surfaces. Do not expose to water or heat. Keep out of reach of young children.\u003c\/p\u003e\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-gift\"\u003e\n\n\u003ch3\u003eA gift for the ears and eyes\u003c\/h3\u003e\n\n\u003cp\u003eBirthday, Christmas, housewarming, or graduation gift: ONDA appeals to music lovers, science students, design enthusiasts, and anyone who appreciates intriguing objects. It is a gift discovered in two stages: the surprise of the object, then the wonder at the first track.\u003c\/p\u003e\n\n\u003cp\u003eFor a music-loving teenager or a young engineer, it is also a fun way to approach magnetism and fluid physics: the object naturally sparks questions, and the answers are often as fascinating as the spectacle itself.\u003c\/p\u003e\n\n\u003cp\u003eComplete it with other curiosities from the \u003ca href=\"\/en\/collections\/objets-scientifiques\"\u003eLab, our world of scientific objects\u003c\/a\u003e, or with an accessory from our \u003ca href=\"\/en\/collections\/bureau-et-hi-tech\"\u003eoffice and high-tech\u003c\/a\u003e department.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-faq\"\u003e\n\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eHow does the ferrofluid move with the music?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003eUnder the porthole is an \u003cstrong\u003eelectromagnet\u003c\/strong\u003e whose intensity varies based on the audio signal. The \u003cstrong\u003eferrofluid\u003c\/strong\u003e, filled with magnetic particles, follows these variations: when the field increases, the liquid bristles with \u003cstrong\u003espikes\u003c\/strong\u003e; when it decreases, it flattens out. Since the field is driven by the music, the movements follow the rhythm, percussion, and bass. This is no programmed animation: it is a real physical reaction, different for every track and even every listening session. This is what makes the show so captivating, and so different from a simple light show.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eHow do I connect the speaker to my music?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003eThe speaker connects to your \u003cstrong\u003eaudio source\u003c\/strong\u003e—smartphone, tablet, or computer—according to the connection method described in the \u003cstrong\u003eincluded manual\u003c\/strong\u003e. No app is necessary: once the speaker is switched on and paired with your device, just start playing. We recommend checking the manual upon receipt for the exact pairing procedure. Also, remember to adjust your source's volume: an intermediate level often provides the best figures, as the ferrofluid reacts to \u003cstrong\u003evariations\u003c\/strong\u003e in sound rather than a constant maximum volume.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eHow long does the battery last?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003eThe speaker includes a \u003cstrong\u003erechargeable battery\u003c\/strong\u003e with an estimated life of \u003cstrong\u003earound 12 hours\u003c\/strong\u003e. This duration is indicative: it depends on the listening volume and the intensity of the ferrofluid's movements, as the electromagnet consumes more power when the music is loud. Charging is via the \u003cstrong\u003eUSB-C port\u003c\/strong\u003e with a 5V USB power supply. The mains adapter is not included, but a standard phone charger or computer USB port will work. To preserve the battery over time, avoid leaving it completely discharged for long periods and recharge it regularly if not in use.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eCan the ferrofluid be damaged or leak?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003eThe ferrofluid is enclosed in a sealed \u003cstrong\u003eglass porthole\u003c\/strong\u003e, designed never to be opened. Under normal use, there is no risk of leakage. Over time, some traces may remain on the wall or the liquid may disperse: simply bring the \u003cstrong\u003emagnet-stylus\u003c\/strong\u003e closer to gather it back up. Avoid shaking the speaker, turning it upside down, or exposing it to high heat. If the porthole were to be damaged, do not touch the liquid with bare hands: ferrofluid \u003cstrong\u003epermanently stains\u003c\/strong\u003e skin, fabrics, and most surfaces.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWhich wood finish should I choose?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003eBoth versions are technically identical; only the \u003cstrong\u003ehousing grain\u003c\/strong\u003e differs. The \u003cstrong\u003egrey grained wood\u003c\/strong\u003e offers a contemporary and mineral look: it pairs well with an interior featuring cool tones, black, metal, or concrete, and is well-suited for a modern office or home studio area. The \u003cstrong\u003enatural grained wood\u003c\/strong\u003e, light yellow, brings Scandinavian warmth: it matches blonde woods, linen, plants, and bright interiors. In both cases, the contrast with the black ferrofluid and blue front accents remains striking.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWhat is the green magnet-stylus for?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003eIn the manufacturer's photos, the speaker is accompanied by a small \u003cstrong\u003egreen magnet-stylus\u003c\/strong\u003e. It allows you to play manually with the ferrofluid by bringing it near the porthole: the liquid moves, rises, and follows your gestures, even without music. It is also used to \u003cstrong\u003egather the liquid\u003c\/strong\u003e if it has dispersed after a long rest or transport. Always bring it close gently, without hitting the porthole, and keep it away from devices sensitive to magnets. Like any magnet, it must remain \u003cstrong\u003eout of reach of young children\u003c\/strong\u003e and away from pacemaker or implantable defibrillator wearers.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWhere should I install the speaker?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003e\u003cp\u003ePlace the speaker on a \u003cstrong\u003eflat and stable surface\u003c\/strong\u003e, porthole facing you at eye level: desk, shelf, sideboard, or coffee table. \u003cstrong\u003eSoft side-lighting\u003c\/strong\u003e brings out the shiny reflections of the ferrofluid spikes. Keep it away from screens, hard drives, mechanical watches, credit cards, and any object sensitive to magnets. The speaker is not waterproof: avoid the bathroom, the kitchen near the sink, and the outdoors in damp weather. Thanks to its battery, you can also move it easily from one room to another, for example from the desk during the day to the living room for a \u003cstrong\u003emusical evening\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\n\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Comment le ferrofluide bouge-t-il avec la musique ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Un électroaimant placé sous le hublot varie selon le signal audio. Le ferrofluide, chargé de particules magnétiques, suit ces variations : il se hérisse de pointes quand le champ augmente et s'aplatit quand il diminue. Ce n'est pas une animation programmée mais une vraie réaction physique, différente à chaque morceau et à chaque écoute.\"}}, {\"@type\": \"Question\", \"name\": \"Comment connecter l'enceinte à ma musique ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"L'enceinte se connecte à votre source audio, smartphone, tablette ou ordinateur, selon le mode de liaison décrit dans la notice fournie. Aucune application n'est nécessaire : allumez l'enceinte, associez-la et lancez la lecture. Un volume intermédiaire donne souvent les plus belles figures, car le liquide réagit surtout aux variations du son.\"}}, {\"@type\": \"Question\", \"name\": \"Quelle est l'autonomie de la batterie ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"La batterie rechargeable est annoncée par le fabricant pour environ 12 heures, une durée indicative qui dépend du volume et de l'intensité des mouvements. La recharge se fait par port USB-C sous 5 V. L'adaptateur secteur n'est pas inclus, mais un chargeur de téléphone standard convient. Évitez de laisser la batterie totalement déchargée longtemps.\"}}, {\"@type\": \"Question\", \"name\": \"Le ferrofluide peut-il s'abîmer ou fuir ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Le ferrofluide est enfermé dans un hublot vitré fermé, qui ne doit jamais être ouvert : en usage normal, il ne fuit pas. Si des traces restent sur la paroi, approchez doucement l'aimant-poussoir pour rassembler le liquide. Évitez de secouer ou retourner l'enceinte. En cas de casse, ne touchez pas le liquide, qui tache durablement.\"}}, {\"@type\": \"Question\", \"name\": \"Quelle finition bois choisir ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Les deux versions sont techniquement identiques, seul le veinage change. Le bois veiné gris offre une allure contemporaine et minérale, adaptée aux tons froids, au noir et au métal. Le bois veiné naturel, jaune clair, apporte une chaleur scandinave et s'accorde aux bois blonds et aux intérieurs lumineux. Le contraste avec le ferrofluide noir reste saisissant.\"}}, {\"@type\": \"Question\", \"name\": \"À quoi sert l'aimant-poussoir vert ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Sur les photos du fabricant, un aimant-poussoir vert accompagne l'enceinte. Approché du hublot, il permet de faire bouger le ferrofluide à la main, même sans musique, et de rassembler le liquide s'il s'est dispersé. Approchez-le doucement, sans frapper le hublot. Gardez-le hors de portée des enfants et loin des porteurs de pacemaker.\"}}, {\"@type\": \"Question\", \"name\": \"Où installer l'enceinte ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Posez-la sur une surface plane et stable, hublot face à vous, à hauteur de regard. Une lumière douce et latérale fait ressortir les reflets du ferrofluide. Tenez-la loin des écrans, montres mécaniques, cartes bancaires et objets sensibles aux aimants. Elle n'est pas étanche : évitez les pièces humides. Sa batterie permet de la déplacer facilement.\"}}]}\u003c\/script\u003e\n","brand":"Atelier Atypique","offers":[{"title":"Grey-grained wood","offer_id":54860800393539,"sku":"1005009863413531-Gray wood grain","price":249.9,"currency_code":"EUR","in_stock":true},{"title":"Natural wood grain","offer_id":54860800426307,"sku":"1005009863413531-Yellow wood grain","price":249.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0231\/3365\/0991\/files\/Sd9cec5113b8a47c59e0c1aa102dccce9i.webp?v=1791061137","url":"https:\/\/atelier-atypique.fr\/en\/products\/dancing-ferrofluid-music-rhythm-ferrofluid-speaker-music-partner-ferrofluid-display-lamp-magnet-liquid-toy-deskto-speaker-gifts","provider":"Atelier Atypique","version":"1.0","type":"link"}