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Global Heartbeat

A free data visualization — play it in your browser, no install. An interactive 3D globe where cities pulse like heartbeats, driven by live air traffic. Explore earthquakes, the aurora, the ISS, satellites and the real night sky, then zoom into a city for weather, bike-share, flights and rain radar. No build step, just vanilla JavaScript and three.js.

by @janlasota · janlasota/Global-Heartbeat on GitHubLANG JavaScriptHOSTED ON GLOBAL-HEARTBEAT.VERCEL.APPUPDATED 19 Oct 2026

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Controls: Tap a city to open its weather, air quality, bike-share stations

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From the README

A fun interactive globe. Cities pulse at a heart rate driven by how busy their skies are, with live layers for earthquakes, the aurora, the ISS and the night sky. Tap a city to open its weather, air quality, bike-share stations, live aircraft and rain radar.

No build step. Plain ES modules, three.js from a CDN.

Then open Needs Node 18 or newer. The small server does two jobs the browser can't: it proxies live aircraft (adsb.lol), bike-share feeds and satellite orbit data, which browsers can't fetch directly, and caches them.

Read the full README on GitHub →

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