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Ten columns, three difficulty levels, 136 topics. Every lesson leaves you with a working thing.
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AI-01L1What a Language Model Actually Does→ A tested mental model — three experiments run on a real model and written upAI-02L1★How to Use Claude, Step by Step→ A configured workspace, a working Project, and your own prompt templateAI-03L1★How to Use ChatGPT, Step by Step→ A configured workspace with custom instructions, one working Custom GPT, and a data file analysedAI-04L1★The Anatomy of a Prompt→ Your own five-part prompt template, plus three saved templates for jobs you actually repeatAI-05L1Which Model for Which Job? A Comparison You Can Actually Use→ Your own decision table matching model tiers to the jobs you actually doAI-06L2★Studying With AI: Feynman, Mock Exams, Error Hunting→ Your own exam bot: a saved study assistant that quizzes you, marks you, and finds your gapsAI-07L2★Hallucination Hunting: A Protocol for Verifying Output→ A four-step verification checklist, applied to a real answer with the errors found written upAI-08L2Working With Long Documents: Interrogate, Don't Summarize→ One real long document analysed — not summarised — with claims cross-examined against the sourceAI-09L2Working With Data: Upload a Spreadsheet, Get Real Analysis→ One real dataset analysed and charted by AI, with the key numbers verified by handAI-10L2★Build Your Own Assistant: Projects and Custom GPTs→ Three working assistants for jobs you actually repeat, each with a tested instruction setAI-11L2Image Generation: Prompt Language, References, Consistency→ A small image set built to a brief — consistent style, with references and controlled variationAI-12L3Video and Voice: Script → Clip → Voiceover→ One finished 30-second video built end to end: script, visuals, voiceover, captionsAI-13L3★Build Your First Tool Without Knowing How to Code→ One small working app or tool you built with AI and can actually useAI-14L3AI Agents and Automation Chains→ One live automation that runs an AI step by itself: a trigger, an AI action, and an outputAI-15L3★Calling AI From Your Own Code: The API, Explained Properly→ A working script that sends a prompt to a model's API and uses the responseAI-16L3Running a Model Locally: Privacy, Cost, Limits→ An open model running on your own machine, and a clear-eyed comparison to the cloud versionsAI-17L1AI Ethics and Your School's Policy: Where Learning Ends and Cheating Starts→ Your own written rule for using AI on schoolwork, checked against your school's actual policyAI-18L3Getting Paid for AI Skills: Portfolio, Freelance, Packaging a Service→ A packaged service offer: one clear service, a price, and a portfolio piece proving you can do itCR-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 adCR-02L1★LinkedIn: Building Findability, Not a Profile→ A live LinkedIn profile built to be found, with a headline, About section and three real connectionsCR-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-upCR-04L2★Interviews: The STAR Method and the Hard Questions→ A bank of STAR answers to the common questions and one full mock interview rehearsed against an AICR-05L2★Cold Email and Networking: The Message That Gets a Reply→ Five personalised cold messages actually sent, built on a reusable structureCR-06L1Finding Work Experience: Internships, Shadowing and Volunteering→ A target list of 10 realistic places and a tailored outreach pitch you can send this weekCR-07L3★Freelancing: Pricing Your Work and Writing a Proposal That Wins→ A pricing sheet for your service (with your real number worked out) and a reusable proposal templateCR-08L2Evaluating a Job Offer: Comparing Roles Beyond the Salary→ A weighted comparison of two real (or realistic) offers across the factors that actually matter, with a decision and the questions to ask before saying yesCR-09L2Personal Brand and Publishing Your Work→ A simple publishing plan: your niche, your platform, and your first piece published this weekCR-10L2★University, Trade, or Building Something: A Decision Framework→ A decision analysis for your own path: the goal named, options scored on requirement/cost/reversibility, and the next concrete stepCR-11L3Studying or Working Abroad: Applications, Funding, Tests, Budget→ An application calendar for one real abroad opportunity: deadlines back-planned, tests scheduled, funding sources listed, and a realistic budgetCR-12L2Your First 90 Days in a New Job→ A 30-60-90 day plan for a real (or imminent) role: what to learn, who to meet, and one early win identifiedDT-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 eachDT-02L1★How Charts Lie: Eight Manipulation Techniques→ A detection list of the eight techniques, applied to three real charts found in the wildDT-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 namedDT-04L2Sampling, Survey Design and Why Most Surveys Are Junk→ A teardown of three real surveys or polls with each one's fatal flaw named, plus one leading question rewritten neutrallyDT-05L3★"A Study Showed That…": How to Actually Read a Paper→ One real paper evaluated against a six-question checklist, with a verdict you can defendDT-06L3p-values, Statistical Significance and Effect Size→ A concept map plus one real study read for what its p-value does and doesn't claim, alongside its effect sizeDT-07L1Ten Cognitive Biases and Where You'll Meet Them Today→ A diagnostic card of the ten biases, each matched to one real moment from your own last weekDT-08L2Logical Fallacies: Where an Argument Actually Breaks→ Ten fallacies you can name on sight, applied to three real arguments — with one of them steelmanned instead of dismissedDT-09L1★A Four-Step Protocol for Verifying a Source→ Your own four-step verification checklist, applied to three claims you actually ran into this weekDT-10L2★Decision Frameworks: Expected Value, Reversibility, Opportunity Cost→ One real decision run through the frameworks: expected value estimated, reversibility and opportunity cost assessed, a defensible choice madeDT-11L3★Fermi Estimation: Producing a Number When You Have No Data→ Three Fermi estimates worked start to finish, each with its assumptions listed and a sanity-check against realityDT-12L1★How the Algorithm Knows You→ A before/after record of your own feed — the 20-click experiment run on a real accountLN-01L1★Active Recall and Spaced Repetition: Studying That Actually Works→ A spaced review schedule built for a real exam, with your first recall session doneLN-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 subjectLN-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 schemeLN-04L2Deep Work and Focus: Training Attention as a Skill→ One designed deep-work block, run and logged, with your single biggest distraction removed by frictionLN-05L3★A New Skill in 20 Hours: The Fast-Learning Protocol→ A 20-hour plan for one real skill: deconstructed into sub-skills, the highest-leverage 20% chosen, and the first practice session doneLN-06L2Reading Technical Material: Docs, Papers, Manuals→ One real technical document read with the three-pass method: a one-paragraph summary and three questions it left openLN-07L1The Mechanics of Procrastination: Why It Happens, What It's Doing→ A procrastination-intervention plan for one task you're avoiding: the feeling named, the next physical action defined, one friction removedLN-08L1Test Anxiety and Thinking Under Pressure→ A pre-exam routine tested once, plus the expressive-writing technique tried before a real or mock testLN-09L2★Teaching to Learn: The Feynman Technique, Run With AI→ A plain-language explanation of one concept, the gaps it exposed listed, and one gap re-learned and re-explainedMN-01L1★What Are You Actually Buying When You Buy a Stock?→ The ability to read an order book, and to see a share as ownershipMN-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 priceMN-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 evidenceMN-04L1★Compound Interest: The Maths of Time (and of Debt)→ A modelled scenario in a spreadsheet: the same money as savings and as debt, on one chartMN-05L2Risk, Volatility and Diversification→ Your own risk profile — horizon, capacity and temperament written down, and a fund's drawdown checked against itMN-06L3★Reading a Company's Financials: Balance Sheet and Income Statement→ One real company analysed from its own filing, with six ratios computed and written upMN-07L2Inflation, Interest Rates and Currency: How the Three Turn Each Other→ A mechanism map connecting inflation, rates and currency — applied to your own real numbersMN-08L1★Opening Your First Investment Account — Including Custodial Accounts Under 18→ An investment account opened (or a custodial one set up with a parent), ready to useMN-09L2Crypto: Where the Technology Ends and the Speculation Begins→ A framework that separates the technology, the token, and the bet for any crypto claimMN-10L2★The Anatomy of a Scam: Ponzi, Pump and Dump, Signal Groups→ A detection list of the common financial scams, applied to three real examples found onlineMN-11L1★Building a Budget and a Cash-Flow System→ A working budget from your own real numbers, plus a simple system that runs each weekMN-12L2The Real Cost of Money: Fees, Spreads and What the Platform Takes→ A fee audit of one account, app or platform you use, with the annual cost — and its long-term compounded cost — calculatedMN-13L2Credit, Credit Scores and the Maths of Borrowing→ A repayment analysis of one real loan or card — total cost, and the effect of paying more than the minimumMN-14L2★Salary Negotiation: Gross vs Net, Benefits, the Counter-Offer→ A negotiation script for a real (or realistic) offer, with the take-home and total package worked outMN-15L3Building a Portfolio: Asset Allocation and Rebalancing→ Your own written allocation — a target split, an index vehicle per sleeve, and a rebalancing ruleNP-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 ownNP-02L1The Neuron and the Synapse: The Physical Unit of Change→ A labelled model of a neuron and synapse, annotated with where learning physically happensNP-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 trainNP-04L1Critical Periods vs. Lifelong Plasticity: What Changes, and When→ Your own age/plasticity chart — which abilities have closing windows and which stay open for lifeNP-05L2★Habits as Wiring: The Cue–Routine–Reward Loop, Neurally→ One of your own habit loops mapped and redesigned — cue, routine, reward, rewrittenNP-06L2★Sleep and Memory Consolidation: Where Learning Is Made Permanent→ A sleep-aware study protocol for a real deadline — when to learn, when to review, when to sleepNP-07L2Exercise, BDNF and the Plastic Brain→ A weekly movement plan timed to your learning — aerobic sessions and 'learn-after-moving' slotsNP-08L2Attention Gates Plasticity: Why Focus Decides What Sticks→ A focus protocol for your hardest learning task — environment, block length, distraction removal, error-seekingNP-09L3★Breaking a Habit: Extinction, Replacement and Self-Directed Change→ An unlearning plan for one habit — cue avoidance, a replacement routine, and an if-then relapse planNP-10L3Recovery and Rehabilitation: Plasticity After Injury→ A case analysis — for a real rehabilitation case, the plasticity mechanism and the conditions the therapy exploitsNP-11L1The Myths: Left/Right Brain, "10% of Your Brain," "Fixed After 25"→ A myth-buster card — five brain myths, the truth, and the mechanism, to keep and shareNP-12L3★Design Your Own Rewiring Project: A 30-Day Plasticity Plan→ A complete 30-day rewiring protocol for one target — conditions, loop design, tracking, weekly milestones, relapse planPS-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 yetPS-02L1★Six Rules for Slides (and PowerPoint's Bad Defaults)→ One real slide, redesigned — before and after — following the six rulesPS-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 differencePS-04L2★Presenting Data: Which Chart When, and When No Chart At All→ A chart decision table, and one of your own charts rebuilt with a headline and honest axesPS-05L2Stage Mechanics: Voice, Posture, Pace, Pauses, Eye Contact→ A recorded two-minute delivery, scored on the five mechanics, with your worst one drilled and re-recordedPS-06L1Managing Presentation Anxiety, Technically→ A tested pre-talk routine and a memorised, drilled first thirty secondsPS-07L2Handling Q&A — Including Questions You Can't Answer→ A Q&A prep sheet: your five most likely hard questions with answers, plus your scripts for the ones you can't answerPS-08L3★Selling an Idea in Three Minutes→ A recorded three-minute pitch, timed, plus a scored self-review of the playbackPS-09L3The Mechanics of Persuasion: Evidence, Credibility, Pre-empting Objections→ An argument map for a real position: claim, evidence, the strongest objection, and your answerPS-10L2Persuasion in Writing: Email, Proposal, Application→ One real persuasive message rebuilt on the structure, with a before/after and a single clear askPS-11L3Running Meetings and Panels→ An agenda and facilitation plan for one real meeting, run once, with decisions and owners capturedSO-01L1The Mechanics of Interaction: Turn-Taking, Signals, Repair→ A mental model of conversation as a system, plus a logged observation of three real conversations' mechanicsSO-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 loggedSO-03L1★Active Listening: The Most Discussed, Least Practised Skill→ A listening audit across three real conversations, with counted behavioursSO-04L2Body Language: What Actually Reads, and What's a Myth→ A self-audit of your default body language on video, with two nervous tells named and two signals to adjustSO-05L2First Impressions: The Warmth and Competence Axes→ A recorded first-meeting rehearsal scored on both axes, plus your two warmth signals and two competence signals identifiedSO-06L2Group Dynamics: What Happens the Moment You Walk In→ A recorded 'joining a group' rehearsal, plus a read of one real room mapped before you entered itSO-07L3Status and Hierarchy: The Unwritten Rules of a Room→ A read of the status dynamics in one real group, where you sit in it, and one deliberate status adjustment tried and loggedSO-08L1★Setting Boundaries and Saying No: Four Scripts→ Four boundary scripts written in your own words, and one of them used for realSO-09L2★How to Open a Hard Conversation→ A written prep sheet and a recorded rehearsal against an AISO-10L2★Conflict Resolution: Argue About Needs, Not Positions→ A two-column needs map for a real disagreement, plus a recorded rehearsalSO-11L3★Negotiation: BATNA, Anchoring and the Zone Where a Deal Exists→ A completed negotiation prep sheet with both BATNAs costed, plus two recorded rehearsalsSO-12L2★Giving and Taking Feedback: The SBI Model→ Real feedback, delivered using SBI, plus a recorded rehearsal of receiving hard feedback wellSO-13L1The Anatomy of an Apology — and What Isn't One→ A written apology for a real situation, tested against the five parts and stripped of every fake moveSO-14L2★Pressure Tactics: How a Hard Sell Works and How to Slow It Down→ A detection list of the seven tactics, plus one real pressured decision slowed down and re-madeSO-15L1★Consent and Dating Ethics: Clear, Revocable, Non-Negotiable→ Conceptual clarity — a written account of what consent is and the situations that make it absentSO-16L2Trust: How It Gets Built, Spent and Lost→ A trust audit across five relationships, plus one repair actually attemptedSO-17L2Making and Keeping Friends: Why It Gets Harder After 18→ A friendship audit plus a concrete plan: one existing tie to deepen and one new connection to start, with the first action takenSO-18L2★Speaking Up in a Group: Getting Your First Sentence In→ A recorded group-discussion rehearsal where you enter in the first two minutes and reclaim the floor once after being cut offSO-19L2★Networking: Building Relationships, Not Running Transactions→ A 10-person map, plus two genuine reconnection messages sentSO-20L1Tone in Writing: Texts, Email, Slack→ Five of your own messages rewritten, with the specific reason each original misfiredSO-21L1Timing: Choosing When to Have the Conversation→ A timing checklist, and one conversation actually scheduledSO-22L2★Rehearsing with AI: Build a Roleplay Partner→ A working rehearsal bot, two recorded transcripts at different difficulties, and your own scenario libraryTC-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 doTC-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 wordsTC-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 lineTC-04L1★Python From Zero: The First 10 Concepts→ Your first program: a working script that takes input, makes a decision, and does something usefulTC-05L2★Your First Real Script: Automate Something You Do by Hand→ A working script that automates one real, repetitive task you actually do — run successfully on your own filesTC-06L2★Git and GitHub: Version Control and Why Undo Is Non-Negotiable→ A published GitHub repository with a real commit history and a README, that you built from the command lineTC-07L2★What an API Is and How to Call One→ A working script that fetches live data from a real public API and does something with itTC-08L2Databases and SQL: Your First 8 Queries→ Eight working SQL queries run against a real table, answering real questions about the dataTC-09L1Your First Page With HTML and CSS→ A styled web page you built by hand — real HTML and CSS in one file, opened in a browserTC-10L2★Ship Your Own Site: Domain, Hosting, Deploy→ One real website live on the internet at a URL you can send to anyoneTC-11L1★Security Basics: Password Manager, 2FA, and the Anatomy of Phishing→ A secured account set: a password manager in use, 2FA on your key accounts, and passkeys where offeredTC-12L3The Limits of AI-Written Code: How Far You Can Trust It→ One piece of AI-written code audited — at least two real problems found and fixed, and written upTC-13L3★Building a Project End to End: Idea to Live→ One idea taken from concept to a shipped first version — scope cut to an MVP, built, and put in front of one real userTL-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 valuesTL-02L2★Spreadsheets, Level Two: XLOOKUP, Pivot Tables, Conditional Formatting→ An analysis sheet joining two real datasets, with a pivot table and rule-based highlightingTL-03L2Cleaning Messy Data Into Something Usable→ One real messy dataset cleaned into a tidy table you can actually analyseTL-04L3★Spreadsheets, Level Three: Dynamic Arrays, Power Query, Dashboards→ A one-page live dashboard that updates itself when the underlying data changesTL-05L1Building a Personal System in Notion→ A working personal dashboard in Notion: a task database, a notes area, and one linked viewTL-06L2Note-Taking: Collect Connections, Not Notes→ A small note system built around linking ideas: five real notes, in your own words, connected to each otherTL-07L1★A Calendar and Task System You'll Actually Keep→ A working two-part system — one calendar, one task list — set up and run for real for three daysTL-08L1Keyboard Shortcuts: Buying Back Three Hours a Week→ Ten shortcuts you didn't already use, drilled to muscle memory over a week, with the mouse-reach they replace namedTL-09L1File Architecture, Naming and Backups→ A folder structure and naming convention set up on your own files, plus a working backup of what you can't afford to loseTL-10L3★Automation: Killing Repetitive Work with Zapier, Make or n8n→ A live automation that runs by itself: a trigger connected to an action, tested and workingTL-11L2Google Workspace Properly: Forms, Apps Script, Sharing Logic→ An automated form flow: a Form that feeds a Sheet and triggers an action, plus deliberate sharingTL-12L1Design Tools: Canva and Figma Basics→ One finished, exported design asset made with deliberate layout choices