Cloud Swirls

Cloud Swirls

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'Why did you get into fluid dynamics?' 'Well, SOME planet has to have the coolest clouds, odds are it's not ours, and rockets are slow.'

We're pleased to announce a major update to xkcd, with new reading modes to enhance user experience. Select a mode via the menu below the comic.

Brought to you by our excellent design team: Amber, Benjamin Staffin, and Kevin.