Page 2 of 42
Articles 25–48 of 990, newest first. To read by subject instead, start from a category or a topic hub on the blog’s front page.
The basic boxing punches: jab, cross, hooks, uppercuts and overhands, how each is thrown, the 1-to-6 numbers behind combinations, and which punches are illegal.
A bull market is a rise of 20% or more in a broad index; a bear market a 20% fall. What the labels mean, how corrections differ, and why they come late.
Bullet journaling for beginners: the index, key, future, monthly and daily logs, rapid-logging symbols, migrating tasks, and how to run it on paper or a phone.
A call is the right to buy and a put the right to sell at a set price by a set date. How option contracts work, with worked profit and loss, and the risks.
Dim sum names in Cantonese with Jyutping: haa1 gaau2, siu1 maai2, caa1 siu1 baau1 and more, plus yum cha words, paying the bill and the tea-tapping custom.
Cantonese greetings in Jyutping: nei5 hou2, zou2 san4 for good morning, zou2 tau2 for good night, m4 goi1 or do1 ze6, sorry, and zoi3 gin3 or baai1 baai3.
Cantonese measure words in Jyutping: go3, zek3, tiu4, zoeng1, bun2, gaa3 and di1, what each counts, and the Cantonese-only uses as 'the', 'my' and 'this'.
Cantonese numbers in Jyutping: one to ten with tones, loeng5 before measure words, the spoken shortcuts jaa6 and saa1 aa6, ten-thousands, and Hong Kong prices.
How US capital gains on stocks are taxed: basis, the one-year line between short- and long-term, the 0%, 15% and 20% rates, and the $3,000 loss limit.
How Car Racing - Pro Career Racer works: a karting-to-championship career, live race decisions on tyres, fuel and pit stops, teams and rivals, and its limits.
A × B is the set of ordered pairs (a, b) with a in A and b in B. Worked examples, why |A × B| = |A| · |B|, why order matters, and how relations use it.
A cash account requires full payment; a margin account lets you borrow against your securities. How each works, the US rules and the risks of borrowing.
The Catalan numbers 1, 1, 2, 5, 14, 42 count balanced brackets, mountain paths, binary trees and triangulations. The formula, the recurrence and why they match.
Why the Civil War began: slavery and its expansion west, the failed compromises of 1820 to 1854, the 1860 election, secession and Fort Sumter in April 1861.
From the 1763 debt crisis to Lexington in 1775: the taxes, laws and confrontations that turned colonial protest into a war for independence, in sequence.
What caused World War II: the Versailles settlement, the Depression, Nazi expansion, Japan and Italy, appeasement at Munich and the Nazi–Soviet pact of 1939.
Charlemagne ruled the Franks from 768 and was crowned emperor on Christmas Day 800. His wars, the coronation debate, the reforms, and what Einhard got wrong.
Find a number with given remainders for several coprime moduli: the theorem, the construction step by step, a sieving shortcut, and when no solution exists.
The 1911 Revolution ended the Qing and two millennia of monarchy; 38 years of warlords, civil war and Japanese invasion ended in the People's Republic in 1949.
City builder tips for beginners: start small, lay roads you can extend, place services where they reach, keep the budget positive and grow in stages.
Clear cache versus clear storage on Android: what each deletes, when to use which, the steps, and why cleared cache comes back, using Google's Android help.
Compound interest earns returns on earlier returns. The formula, simple versus compound growth, the rule of 72, monthly contributions and debt that compounds.
How conditional probability works, how to reverse it with Bayes' theorem, and why a test that catches 95% of faults can still be wrong most of the time.
The contrapositive of an if-then statement always means the same thing; the converse and inverse do not. Truth tables, examples and the mistakes to avoid.