#4846: Can You Train Someone to Spot a Liar?

Israel's airport security relies on human screening. Does it actually work, or is it just better theater?

israelsecurity-logisticssocial-engineering

#4845: What Aviation Teaches Us About Attention

How pilots manage hours of boredom without burning out — and what we can steal from their approach.

human-factorssituational-awarenessaviation

#4844: Why Your Brain's Relaxation Switch Is Different

Why meditation works for some and triggers anxiety in others — and how to find your own relaxation tools.

neurosciencesensory-processingneurodivergence

#4843: Can a Marketplace Strip All the Marketing Copy?

What if a B2C marketplace forced sellers to use purely factual descriptions? We explore why it hasn't worked.

usabilityproductivityhuman-factors

#4842: How to Hide What You're Feeling (Without Making It Worse)

The mechanics of emotional leakage and what actually works for short-term suppression.

emotional-concealmentcognitive-reappraisalcontrolled-breathing
Tuesday, Aug 25

#4841: How Global Roaming Actually Works (and What to Buy)

The plumbing behind international roaming and which eSIM plans actually deliver on their promises.

telecommunicationsinternational-tradeinternational-roaming

#4840: Is Audio Learning Actually Effective?

We examine the science of audio learning, its real trade-offs, and how to use it strategically.

audio-processingaudio-learningphonological-loop

#4839: How to Make Suede Boots Last 10 Years

What makes Redback boots last 5-10 years — and how suede care changes everything.

diymaterial-scienceergonomics

#4838: The CueCat: A Dot-Com Catastrophe

The story of the free cat-shaped barcode scanner that burned $185 million and then found a second life.

hardware-engineeringsecurityopen-source

#4837: The Pink Mark on the Lantern

How a pink smudge on a Fenix lantern reveals the hidden structure of Amazon's marketplace.

supply-chainlogisticsamazon-marketplace

#4836: When AI Actually Touches Money

How Amazon uses LLMs to classify damage and set refunds — and the guardrail stack that keeps the AI from touching the dollar amount directly.

ai-agentsprompt-engineeringfraud-scoring-override
Monday, Aug 24

#4835: How Math Took Over Your Prescription Bottle

Dosing wasn't always science. Before 1937, it was guesswork. Here's how equations conquered medicine.

pharmacologymedical-historypharmacokinetics

#4834: Why Your AI Bill Keeps Surprising You

How a 37-cent project and a $100 simulation reveal the hidden math of AI API pricing.

large-language-modelsai-agentsmultimodal-ai

#4833: How to Label a Historical Book Without Destroying It

Wheat starch paste, acid-free paper, and graphite pencil — the surprisingly specific protocol for labeling old books safely.

material-sciencebook-preservationlibrary-conservation

#4832: Your AI Memory Should Be Markdown Files

Why your AI project memory should live in Git-tracked Markdown files, not a proprietary platform.

ai-memorylocal-airag

#4831: The Podcast Player That Doesn't Exist

Why can't you buy a dedicated podcast player that downloads episodes for offline listening?

diyopen-sourcehardware-engineering

#4830: The Hammock Physics Problem

Why collapsible indoor hammock stands wobble, what a decent outdoor one costs, and the hardware you actually need.

structural-engineeringhardware-engineeringmaterial-science

#4829: Why Can't You Filter by Bluetooth on Amazon?

Technical buyers waste hours hunting specs. AI might finally fix e-commerce filtering.

ragspecification-sheetse-commerce

#4828: How to Buy Shorts That Actually Fit

Inseam, rise, vanity sizing — the clothing terms nobody teaches you and why buying shorts online feels impossible.

ergonomicsusabilityhuman-factors

#4827: When Your One-Person Stack Starts Fighting You

Your custom-built system was a perfect fit. Now it's a cast you can't escape.

dependency-managementhome-labpersonalized-ai