Sand Vibrations
Chladni Pattern Visualizer
Sand Vibrations launched on July 23, 2025 with 9 votes, #2,613 of 9,223 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Transform sound into mesmerizing visual art! Draw sand particles, then watch them dance into stunning geometric patterns as virtual sound waves vibrate through the plate. Real-time physics with haptic feedback. 🎵⚡📱
Download Cymatica: Music Visualizer by Shridhar Gupta on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Cymatica: Music…
Music Developer Shridhar Gupta Language EN + 9 More Size 19.9 MB iPhone, iPad Transform sound into stunning visual art. Cymatica is an interactive physics simulation that brings Ernst Chladni's 18th-century discovery to life on your iPhone. Watch as invisible sound waves sculpt thousands of sand particles into mesmerizing geometric patterns, revealing the hidden mathematics that shapes our universe. CREATE & EXPLORE - Draw sand with one finger, erase with two - Adjust pattern complexity with the intuitive XY pad - Switch between square and circular plates - Control pattern modes from 1 to 16 - Up to 100,000 particles flowing in real-time - Shake your device to disturb the sand - Tap the…from apps.apple.com
Does a similar job
all alternatives →
Eigendrum - Draw any shape and hear what it sounds like as a drumAug 2026 · baselashraf81.github.io · ▲243Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Noise & Texture for Figma2022 · figma.com · ▲238Dynamic seamless noise, textures and patterns in Figma


Psychedelic animation generator; (p)art of your next trip2025 · collidingscopes.github.io · ▲166Sharing an open source project for creating psychadelic art -- using liquid motion, distorted shapes, shadows and light. This tool works in real-time in the browser using webgl shaders. This project was inspired by drum & bass / acid techno music, and 90s rave posters. Use this to create art for a music video, concert posters, stylized animations in creative projects, or simply to enjoy alongside some fine music. Use the detailed control menu (top-right) to set a custom canvas size, adjust animation speed, control pattern and colours, etc... You can export your creation as an image or…

More life & fun this month
the category →
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 2d ago · permit.petercai.com
- IV
Life & fun · 14d ago · tanzaniaeducationproject.org

Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 15d ago · bigwords.page

Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 9d ago · guitoro.com

Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 13d ago · carrierexplode.com

Life & fun · 23d ago · space.bl2.net
Source: Product Hunt launch ↗
Launched alongside, July 2025
the whole month →
Trickle - Magic Canvas ▲1,064Hey HN! Introducing Trickle Magic Canvas: the world’s first Agentic Canvas, where you can visually co-create apps and websites with AI, from idea to production. Why is a canvas better? Most AI tools today rely on linear chats or text prompts. We believe that limits creativity and clarity. Canvas changes the game. 1. Every version & page at a glance. Each page and sub-page lives on a timeline. You can quickly browse, edit, and preview progress like a living, visual document — no more digging through chat logs or scattered states. 2. The canvas is the context. Unlike linear chats, you can…
AI · 2025 · trickle.so
- TB
Life & fun · 2025 · trytender.app

Today marks ten years, 3653 consecutive days, of running at least one mile every day under the USRSA rules [1]. To celebrate, I built an interactive dashboard that turns a decade of GPX files into charts you can explore. Running has truly changed my life: I've made lifelong friends, explored beautiful places, and more importantly invested into my own health and fitness, which I'm starting to see the positive benefits as I get older. The stack is pretty simple: a NextJS app, with a Postgres database to keep all my running data, and all the stats are pre-computed and cached in Redis, so I…
Dev tools · 2025 · nodaysoff.run

Made this website as an exercise in vibe-coding and GCP. It was posted about a few times around the internet, on sites like Morning Brew (https://www.morningbrew.com/issues/business-buzzkill), MetaFilter (https://www.metafilter.com/209703/Draw-A-Fish), boingboing.net, etc. I think it's cute! I built a basic CNN trained against penises and swastikas, and then anything that doesn't hit the 63% confidence score gets sent to a mod queue, a vibe-coded fish-tinder…
AI · 2025 · drawafish.com

Hi HN - I made a site that takes a UK postcode, grabs the local MP's information and generates an AI mockup of what their ID might look like. It's a small, silly protest at the stupidity of the Online Safety Act that just came into force. edit - My open AI credits got hugged to death, please use a known postcode (like one from Kier Starmer's constituency, WC2B6NH) in the meantime.
AI · 2025 · use-their-id.com