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swell

A free data visualization — play it in your browser, no install. Live temperatures from ten world cities drawn as glowing sine waves on a single-file Canvas 2D page.

by @parthchandak02 · parthchandak02/swell on GitHubLANG HTMLHOSTED ON PARTHCHANDAK02.GITHUB.IOUPDATED 23 Oct 2026

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From the README

Ten cities' temperatures as glowing waves.

One line per city, from Dubai down to Reykjavik: the warmer it is, the taller, faster and brighter the wave.

Live demo · How it works · Run it

Live capture, 22 October 2026, a moment after a click near the centre. The temperatures shown are the built-in fallback values; see the note below.

A one-day sketch from a "creative daily" series: a single index.html with no build step and no dependencies.

Read the full README on GitHub →

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