A typing-test word is five keystrokes and real English words run longer
Typing tests count a word as any five keystrokes, the space included. Measured over two nineteenth-century novels and tw...
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How many kana there are depends on which list is counted
Japanese is written partly in hiragana and katakana, and a learner's chart shows 46 kana, but the official kana list in force since 1986 runs to 108 entries by our count. Unicode encodes far more, including 285 historic hiragana variants.
Published 19 Oct 2026
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Bolt torque and clamp load across the published nut factors
A tightening torque becomes clamp load through a nut factor, K, that stands in for thread and head friction. On one M12...
Roman numerals on Roman stones fail today's strict standard form
Roman numerals today follow a strict standard form that allows six subtractive pairs, no letter more than three times, a...
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Hazen-Williams C values and how far the published tables disagree
Hazen-Williams estimates friction loss in a water pipe from one roughness number, C, and published tables give a cement-...
How hard design rain falls on a roof gutter in Singapore and Malaysia
The water a roof gutter must carry is the design rainfall intensity multiplied by the roof's catchment area, and codes i...
How Chinese almanacs decide which hours are yellow and which are black
Chinese almanacs split the day into twelve two-hour blocks and label each one yellow path or black path by the spirit on...
How reading-time estimates turn words and Chinese characters into minutes
A reading-time label divides a text's length by an assumed reading speed, and the speeds in use for English run from 200...
Neapolitan pizza dough in baker's percentages, from the AVPN and EU rules
Neapolitan pizza dough has two written specifications, the AVPN's and the EU's, and both measure every ingredient agains...
How the ideal body weight formulas compare from short heights to tall
Four published ideal body weight formulas turn height and sex into one weight, and they were written as drug-dosing and...
Horsepower, PS and kilowatts, and where the torque and power curves cross
Car power is printed in mechanical horsepower, metric horsepower (PS) or kilowatts, three units that differ by small fix...
CURB-65 death rates checked against the paper that defined the score
CURB-65 grades community-acquired pneumonia in adults with one point each for confusion, raised urea, fast breathing, lo...
Doubling times from the rule of 72 fit interest compounded once a year
The rule of 72 estimates the years money takes to double by dividing 72 by the yearly interest rate. It works best when...
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