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https://blog.plover.com/ The Universe of Discourse, since 2006. I don't know how many posts, maybe 800 or 900?

About ⅓ math and ⅔ everything under the sun.

Hits the front page here several times a year.

A few of my favorites:

* https://blog.plover.com/lang/middle-english.html You can learn to read Middle English

* https://blog.plover.com/math/60-degree-angles.html 60-degree angles on a lattice

* https://blog.plover.com/math/24-puzzle-2.html Recognizing when two arithmetic expressions are essentially the same




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