XKCD.COM has some nice strips.
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Calculate day of week
Folding Tetra-Pack carton (e.g. milk)
Disqus-comments, formatting
Here Is a small guide in Disqus-formatting, that I have ‘published’ several times on the old GSMArena.com blog (with tiny variation).
UPDATE: Should in 2019 finally be more or less obsolete for wide enough windows!
A simpler way to lit up wood-burning stoves top-down
Lightning up briquettes in a wood burning stove the top-down way, does not have to be complicated!
Continue reading “A simpler way to lit up wood-burning stoves top-down”
Length of round (carpet) roll
For some reason, surprisingly few know this extremely simple formula, please share it.
I have actually seen in a carpet store an employee unrolling the carpet to measure the length!!
[The formula is simple to prove too… r=kφ, L=∫r dφ=∫kφ dφ=½k(φ2²-φ1²)=½k(φ2+φ1)×(φ2-φ1)=½(r2+r1) ×n2π=(r2+r1) × nπ , q.e.d.]
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Rudiment post merged into this trio review. As the new T8 Mini from March 2024 proved to be part of a new T8 trio.
(faked old date, to move to the bottom of category list)