@xkcd.com on Bluesky

JavaScript RequiredThis is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is. Learn more about Bluesky at bsky.social and atproto.com.

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Randall Munroe

xkcd.com

did:plc:cz73r7iyiqn26upot4jtjdhk

Geologic Periods xkcd.com/3120/

2025-07-28T23:58:14.104Z