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Using AI

All of Using →

AI-01L1What a Language Model Actually Does→ A tested mental model — three experiments run on a real model and written up AI-02L1★How to Use Claude, Step by Step→ A configured workspace, a working Project, and your own prompt template AI-03L1★How to Use ChatGPT, Step by Step→ A configured workspace with custom instructions, one working Custom GPT, and a data file analysed

Money, Investing & the Economy

All of Money, →

MN-01L1★What Are You Actually Buying When You Buy a Stock?→ The ability to read an order book, and to see a share as ownership MN-02L2How a Share Gets Priced: Supply, Demand, Market Cap, P/E→ The ability to read a single real stock — its size and the expectation baked into it, not just its price MN-03L1★Index Funds and ETFs: Why This Is the Right Answer for Most People→ A written comparison of a single stock, an active fund, and an index fund — on cost, spread and evidence

Social Intelligence & Relationships

All of Social →

SO-01L1The Mechanics of Interaction: Turn-Taking, Signals, Repair→ A mental model of conversation as a system, plus a logged observation of three real conversations' mechanics SO-02L1★The Small Talk Protocol: Your First Five Minutes With a Stranger→ A recorded rehearsal of a first conversation, plus three real small-talk attempts logged SO-03L1★Active Listening: The Most Discussed, Least Practised Skill→ A listening audit across three real conversations, with counted behaviours

Presenting & Persuasion

All of Presenting →

PS-01L1★The Skeleton of a Talk: Message → Structure → Slides, In That Order→ A one-page talk plan: one message, three sections, and a slide list you haven't built yet PS-02L1★Six Rules for Slides (and PowerPoint's Bad Defaults)→ One real slide, redesigned — before and after — following the six rules PS-03L2Narrative Structure: Why Stories Outlast Facts→ One real message, pitch or section rebuilt as a story with a clear structure — a before/after showing the difference

Digital Productivity & Tools

All of Digital →

TL-01L1★Spreadsheets From Zero: Formula Logic and Your First 15 Functions→ A working budget sheet built from your own real numbers, with 8+ functions and no hard-coded values TL-02L2★Spreadsheets, Level Two: XLOOKUP, Pivot Tables, Conditional Formatting→ An analysis sheet joining two real datasets, with a pivot table and rule-based highlighting TL-03L2Cleaning Messy Data Into Something Usable→ One real messy dataset cleaned into a tidy table you can actually analyse

Technical Foundations

All of Technical →

TC-01L1What a Computer Actually Does: CPU, RAM, Disk, OS→ A labelled model of what happens when you open an app — the job the CPU, RAM, disk and OS each do TC-02L1★How the Internet Works: DNS, HTTP, Servers, Browsers→ A traced request: every step between typing a URL and the page appearing, written in your own words TC-03L1★The Terminal: Your First 20 Commands and Why It Still Matters→ Real work done in a shell: files organised, renamed in bulk, and searched — all from the command line

Data & Analytical Thinking

All of Data →

DT-01L1★Reading Data: Mean, Median, Spread — and the Lie of the Average→ Three real datasets summarised correctly — mean, median and spread — with the misleading summary identified in each DT-02L1★How Charts Lie: Eight Manipulation Techniques→ A detection list of the eight techniques, applied to three real charts found in the wild DT-03L1Correlation Is Not Causation, With Real Examples→ Four real causal claims taken apart — for each, the four possible explanations tested and the most likely one named

Career & Work

All of Career →

CR-01L1★The CV / Résumé That Actually Gets Read→ A finished one-page CV with every bullet rewritten as an outcome, tested against a real job ad CR-02L1★LinkedIn: Building Findability, Not a Profile→ A live LinkedIn profile built to be found, with a headline, About section and three real connections CR-03L2★Your Portfolio: What Do You Have to Show at 18?→ A published portfolio page with three pieces of work, each with a one-paragraph write-up

Learning System

All of Learning →

LN-01L1★Active Recall and Spaced Repetition: Studying That Actually Works→ A spaced review schedule built for a real exam, with your first recall session done LN-02L2★Building Your Own Study System→ A working capture → process → review study system, set up in the tools you already use, running for one real subject LN-03L2Exam Strategy: Time, Question Selection, Guessing→ An exam-day protocol for one real exam: a time budget per section, a triage order, and a guessing rule matched to its mark scheme

Neuroplasticity & the Brain

All of Neuroplasticity →

NP-01L1★What Neuroplasticity Actually Is: How Experience Rewires the Brain→ A tested mental model of how experience physically rewires the brain — written up against one habit of your own NP-02L1The Neuron and the Synapse: The Physical Unit of Change→ A labelled model of a neuron and synapse, annotated with where learning physically happens NP-03L1★"Neurons That Fire Together Wire Together": Hebbian Learning→ A rewiring map for one skill or habit — the exact pairing of cue, action and timing you'll train

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