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by Randall Munroe, author of ‘What If?’ ‘How To’ ‘Thing Explainer’. A webcomic of romance, sarcasm, math, and language.
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Binary Star

2026-02-04 13:00:00

The discovery of a fully typographical star system comes with a big asterisk.

Groundhog Day Meaning

2026-02-02 13:00:00

Originally, the ceremony used a variety of rodents and mustelids, but over time most people agreed it made sense to standardize on a specific individual ground squirrel in Pennsylvania.

Proof Without Content

2026-01-30 13:00:00

There's also a proof without content of a conjecture without content, but it's left as an exercise for the reader.

Chemical Formula

2026-01-28 13:00:00

Some of the atoms in the molecule are very weakly bound.