xkcd feeds.twtxt.net Mon, Jul 22 2:00PM (17w ago) President Venn Diagram ⌘ Read more ⤋ Read More Yarn
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⌘ ![Einstein's theories solved a longstanding mystery about Mercury: Why it gets so hot.](https://imgs.xkcd.com/comics/beam_of_light.png "Einstein's theories solved a longstanding mystery about Mercury: Why it gets so hot. \")
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