Aisle 1No. 3 of 460
Splashery
Sound in a Box
31,460 small parts. Assembled in your browser.
Empty. Now look down.
Swipe across the pack to tear it open.
Press and hold. It pulls itself together.
Let go to drop it.
It stays in its pack here. The Playground has the rest.
Studio · Built from a recipe
Sound in a Box
Sand on a ringing plate gathers on the lines that stay still.
Play with it in the Playground
How to play
Tap to ring the cell, or play music (Splash tab): the music's pitch is scaled up to the cell's ultrasound modes.
Toy facts
- Item
- No. 3 of 460
- Shelf
- Aisle 1, Studio
- Kind
- Built from a recipe
- Small parts
- 31,460
- Your own
- Play or sing to the box
- Sound
- Yes
- Batteries
- None
- Assembly
- It does that itself
- Licenses
- Apache-2.0, MIT
- Price
- $0.00
Small parts are the splats in its usual build on a computer. A phone may draw fewer.
Its controls
| Control | Kind | Range | Start |
|---|---|---|---|
| Switch on the sound | Tap | ||
| Switch on the sound | Switch | Off | |
| Mode | List | 8 choices | Cube 0, 1, 2 mixed: 167 kHz |
| Bead colors | List | 6 choices | Amber (as made) |
About it
Sand on a ringing plate gathers on the lines that stay still. The same happens in 3D. Here a glass cell 1 cm across holds water and plastic beads, and a transducer underneath fills it with ultrasound at one of its resonances, a standing wave. The acoustic radiation force pushes each bead onto the mode's still surfaces, its nodes (the Gor'kov potential; H. Bruus, 2012).
The cube's modes ring at f = (c / 2L)·√(l² + m² + n²), the round flask's where a spherical Bessel function's slope is zero at the wall: about 75 to 370 kHz, so you hear each one eight octaves down. Tap to ring the chosen mode; tap again to swirl the water.
Or play a song, a built-in tune, or sing: the music's pitch is scaled up to the cell's ultrasound modes, and the nearest rings. Bead colors picks one color, a palette, a flag's colors, or colors by height or by distance from the center. “What are these modes?” in the Splash tab explains each mode. Files stay on your device.
Details
- Your own files
- audio/*, .mp3, .wav, .ogg, .m4a, .flac, .aac, .opus
Sources and credits
Made in Splashery. Its code is MIT.
Libraries
- Apache-2.0
- Depth Anything V2 Small, quantized ONNX (lane LSTUDIO, copied from Splashery)
- MIT
- ONNX Runtime Web 1.30.0 (its modules)
