Education6 min read
Counterfactual History: What If Questions, Taken Seriously
What-if history has real uses and real limits. How historians use counterfactuals, where they break down, and how a simulation handles the problem.
383 articles · page 16 of 16
Education guides, page 16
Articles 361–383 of 383, newest first. The introduction to this reading list, its topic hubs and the guides other articles cite most are on the first page.
Education articles 361–383
- Education7 min read
Designing Memory Games That Are Not Just Matching Pairs
Matching pairs is one memory task among many. The formats we built instead, what each one actually stresses, and the ones that did not survive testing.
- Education10 min read
Do Brain Training Apps Work? What the Evidence Supports
An honest read on brain training claims: what practice reliably improves, what it does not transfer to, and what regulators have said about the marketing.
- Education6 min read
How to Remember Historical Dates Without Rote Drilling
Anchoring, chunking and sequence-first methods for holding onto dates, and why memorising isolated years is the least effective approach.
- Education6 min read
How to Study History on Your Own Without a Syllabus
A workable self-study routine for history: picking a spine, choosing sources, taking notes that survive, and knowing when to go narrow.
- Education8 min read
How to Divide in Your Head: Methods That Survive Real Numbers
Halving and doubling, factor splitting, divisibility checks and remainder handling: the division methods that survive contact with a real number.
- Education6 min read
What Was the Silk Road? Routes, Goods and Who Actually Travelled
The Silk Road was a network, not a road, and most traders never crossed it end to end. What moved along it and what that changed.
- Education6 min read
What Caused the Bronze Age Collapse?
Several civilisations failed within about fifty years around 1200 BC. The leading explanations, the evidence behind each, and what remains unsettled.
- Education6 min read
Why Did Rome Fall? Four Explanations and What They Assume
The fall of Rome has at least four competing explanations. What each one claims, what evidence supports it, and why historians still argue about the date.
- Education3 min read
BCE and CE Explained
What BCE and CE stand for, why they replaced BC and AD in academic writing, why there is no year zero, and how that affects century arithmetic.
- Education4 min read
Building a Daily Practice Habit That Survives a Bad Week
Why short daily practice beats long occasional sessions, how to design a minimum you can always hit, and what streaks are actually good and bad at.
- Education4 min read
Estimation Techniques That Make Mental Math Useful
Rounding, front-end estimation, compatible numbers and order-of-magnitude checks — the techniques that make arithmetic useful when precision is not the point.
- Education4 min read
How Calendars and Dating Systems Work
Why calendars need leap rules, how solar and lunar systems differ, why the Gregorian switch happened at different times, and what that means for old dates.
- Education9 min read
The Major Eras of World History, and Why the Labels Are Arguments
Stone Age to modern: what each era label covers, why the boundaries are conventions rather than discoveries, and where the standard scheme stops working.
- Education4 min read
Memory Techniques That Actually Work
Chunking, the method of loci, elaboration and retrieval practice — which memory techniques have support, and the important limit on what any of them do.
- Education4 min read
Multiplication Shortcuts, and Why They Work
Doubling and halving, multiplying by 11, the difference of squares, and near-round-number tricks — each with the algebra that makes it work.
- Education3 min read
Percentages in Your Head
The 1% and 10% anchors, the commutative trick that makes hard percentages easy, tips and discounts, and how to reason about percentage change correctly.
- Education3 min read
Primary and Secondary Sources, Explained
What makes a source primary, why the label depends on the question you are asking, and a practical procedure for evaluating any historical claim.
- Education10 min read
What Is Working Memory, and Can Training Actually Change It?
What working memory is, how small its capacity really is, and an honest account of why researchers still disagree about whether training transfers to anything.
- Education9 min read
How Historians Date Events: The Methods Behind the Numbers on a Timeline
Stratigraphy, radiocarbon, tree rings, written records and astronomy — how each dating method works, what it can and cannot establish, and why dates change.
- Education9 min read
Mental Math Tricks That Actually Work, and the Conditions Where They Break
Base-100 multiplication, percentage reversal, unit conversion and root estimation — every method worked through, with the case where each one fails.
- Education8 min read
Mental Math Practice: The Methods Worth Drilling, and What Practice Actually Buys You
Mental arithmetic methods with every worked example checked, an honest account of what daily practice does, and a way to drill it in a few minutes.
- Education9 min read
How to Actually Learn Something From a World History Timeline App
What a chronology app teaches well, where its dates get slippery, how to tell documented fact from historians' interpretation, and how to check a claim.