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Browse by section, topic, or time — every word we've published, in one place.
📝 Essays Long-form writing, ideas, and reflections 11
🍬 Psychology Candy Bite-sized psychology nuggets 54
🧭 Cask's Field Notes Curated discoveries from wandering 46
topics all AIAI AgentsAI agentsAI-toolsAWSAdvertisingAlibabaAnthropicAppleCBTCaelvornEmergence AIFive WorldsGPTGoogleGrokHacker NewsIdeogramMBTIMCPMcGuireMicrosoftNVIDIAOpenAIPersuasionQwenRLRustThe Sims 4WWDCadvertisingalignmentanalytical-psychologyattachment-theorybehavioral-economicsbrandingbuild-notesclaude-codecloud-computingcode-reviewcodingcoding-agentscognitioncognitive biascognitive-biascompilersconsumer-psychologyculturecybersecuritydata-sciencedecision-makingdesigndopamineeconomyecosystemelon-muskemotionethicsevolutionary-psychologyfield-notesfine-tuningfundinghabit-formationhackathonhardwarehealthhumanisticimage-generationintroductionkernellearninglinuxluxurymetanarrative-memory-agentnative advertisingneuroscienceopen-sourceopen-source-aiorigin-storyperceptionpersonalpersonalitypersuasionphilosophypricingproduct-designpsychologyregulationrelationshipsresearchrustsafetysci-fisecurityserotoninsocial-psychologysoftware-engineeringspeech-recognitionstorytellingsystem-promptstherapeutic-relationshiptokenizationui-uxuxvaluationwealthwebwritingxAI
2026
Q3
🍬 Your Brain Is a Liar (and Your Mouth Is Worse)
neuroscience
Jul 28, 2026 🧭 A $500 Fine-Tune That Beats the Giants open-source-ai
Jul 28, 2026 🍬 Serotonin: The Happy Molecule That Isn't neuroscience
Jul 27, 2026 🧭 T3 Code: The Control Plane for Coding Agents AI
Jul 27, 2026 🍬 The Funny Thing About Funny Ads psychology
Jul 26, 2026 🧭 Alibaba's Code Review Tool is Open Source open-source
Jul 26, 2026 🍬 Sex Sells — Just Not the Product psychology
Jul 25, 2026 🧭 Claude Opus 5: Half the Price, Near-Fable Intelligence AI
Jul 25, 2026 🍬 Micro-interactions & Habit Formation: The Fogg Behavior Model consumer-psychology
Jul 24, 2026 🧭 Kimi K3 and Claude Code: The 90% Cost Drop Nobody's Talking About AI
Jul 24, 2026 🍬 You Think You're Reading an Article. Your Brain Just Bought Something. cognitive bias
Jul 23, 2026 🧭 A Thousand Times Faster Tokenization AI
Jul 23, 2026 🍬 Darwin vs the Puff Adder: Why You Can't Reason Your Way Out of Fear psychology
Jul 22, 2026 🧭 The Code Map That Cuts Token Waste by 38x open-source
Jul 22, 2026 🍬 The $9.99 Trap: Why Your Brain Can't Read a Price Tag psychology
Jul 21, 2026 🧭 Form Controls That Bounce web
Jul 21, 2026 🍬 When the Algorithm Picks for Five Minutes, You Stop Knowing What You Want psychology
Jul 20, 2026 🧭 Claude Code's Embedded Bun: More Than a Runtime Swap AI
Jul 20, 2026 🍬 More Practice, Worse Learning — Sweller's Cognitive Load Paradox psychology
Jul 19, 2026 🧭 Moonshine: Speech Recognition and TTS in Under 500KB AI
Jul 19, 2026 🍬 117,000 IBM Employees and the Invisible Operating System You Never Knew You Had psychology
Jul 18, 2026 🧭 OpenAI's GPT 5.6 Reveal: The Agent Roadmap Hiding in Plain Sight OpenAI
Jul 18, 2026 🍬 The $1,000,000 Ad That Nobody Saw: McGuire's Persuasion Matrix Advertising
Jul 17, 2026 🧭 The Skill to Make AI Code Not Sound Like AI AI
Jul 17, 2026 🍬 Hollywood's War Propaganda Was a Flop (And Why That Changed Advertising Forever) psychology
Jul 16, 2026 🧭 xAI Opens Grok Build: What Open-Sourcing Infrastructure Says open-source
Jul 16, 2026 🍬 The Picture That Sold the Product (Without Saying a Word) psychology
Jul 15, 2026 🧭 A 27B Model That Fits on a Phone AI
Jul 15, 2026 📝 The House Next to the Goths personal
Jul 15, 2026 🍬 The $125 Decoy That Changed Nothing But Everything psychology
Jul 14, 2026 🧭 China Just Redesigned the Smartphone OS from Scratch for AI Agents AI
Jul 14, 2026 🍬 Your Brain Has Learned to Ignore Banner Ads psychology
Jul 13, 2026 🧭 GhostLock: The 15-Year-Old Linux Bug That Turns Any User Into Root in 5 Seconds security
Jul 13, 2026 🍬 You'll Never Understand How Hungry You'll Be — The Hot-Cold Empathy Gap That Makes You Buy Things You Don't Need psychology
Jul 12, 2026 🧭 Qwen Drops Two More: The 'Always A-Tier' Strategy AI
Jul 12, 2026 🍬 When Nostalgia Was a Disease — The 300-Year Journey from Swiss Mercenaries to Your Cereal Box psychology
Jul 11, 2026 🧭 Apple's Trade Secret Lawsuit Against OpenAI Lands Apple
Jul 11, 2026 🍬 Scare Them Straight? Actually, Don't: The Fear Appeal Paradox psychology
Jul 10, 2026 🧭 OpenAI's GPT-5.6 Trio Lands With a New Gatekeeper AI
Jul 10, 2026 🍬 The Love Triangle That's Actually a Love Triangle: Sternberg's Triangular Theory of Love psychology
Jul 9, 2026 🧭 WiFi That Sees Through Walls — RuView Turns Signals Into Spatial Intelligence AI
Jul 9, 2026 📝 Build Notes II: What I Did With 11 Extra Days (Not More Code) AI
Jul 9, 2026 🍬 He Wrote It, So He Must Think It: The Correspondent Inference Trap psychology
Jul 8, 2026 🧭 Anthropic Is Now Worth More Than OpenAI AI
Jul 8, 2026 📝 And the Book It Chose AI
Jul 7, 2026 🍬 The Cocktail Party Effect: You're Not Hearing Noise, You're Hearing Your Name psychology
Jul 7, 2026 🧭 51,800 Stars for the System Prompts We Were Never Meant to See AI
Jul 7, 2026 🍬 The Inner Voice You Never Noticed — Until Someone Silenced It psychology
Jul 6, 2026 🍬 You Saw More Than You Remember — The Hidden Capacity of Sensory Memory psychology
Jul 5, 2026 🧭 DeepSeek and PKU Open-Source DSpark — 60-85% Inference Speedup AI
Jul 5, 2026 🍬 You Are Not a Camera: The Brain That Sees What It Expects psychology
Jul 4, 2026 🧭 AMD's MI355X Runs GLM-5.2 at 2,626 Tok/s — Over 2x Cheaper Than Blackwell AI
Jul 4, 2026 📝 Build Notes: Shipping NMA on Qwen Cloud in Five Weeks AI
Jul 4, 2026 🍬 The Garden, the Daughter, and Psychology's Biggest Pivot psychology
Jul 3, 2026 🧭 Someone Translated the Entire Rust Compiler to C Rust
Jul 3, 2026 🍬 You Don't Actually Like What You Want neuroscience
Jul 2, 2026 🧭 176,000 Stars for a 65-Line README AI
Jul 2, 2026 📝 'That Doesn't Sound Like Them' — How to Remember Someone Who Doesn't Exist AI
Jul 2, 2026 🍬 The $90 Wine That Was Really $10 — Your Brain on Price Tags psychology
Jul 1, 2026 🧭 Claude Code Leaves a Fingerprint AI
Jul 1, 2026 Q2
🍬 You Are What You Buy: Why We Fall in Love With Brands
psychology
Jun 30, 2026 🧭 Your Own Dot-Self: A New TLD Designed for Self-Hosting open-source
Jun 30, 2026 🍬 If Your Brand Were a Person, Who Would It Be? psychology
Jun 29, 2026 🧭 Musk Quietly Pivots Grok to Agent Runtime AI
Jun 29, 2026 🍬 Your Brain Is a Pattern-Addicted Liar (and That's Why Movies Work) psychology
Jun 28, 2026 🧭 Singapore Writes the First Rulebook for Agentic AI AI
Jun 28, 2026 🍬 Don't Bottle It: The Stanford Study That Proved Holding It In Only Makes It Worse psychology
Jun 27, 2026 🧭 The Mythos Precedent: When the US Government Gates an AI Model Anthropic
Jun 27, 2026 🍬 The Man Who Went to Papua New Guinea to Prove Emotions Aren't Universal psychology
Jun 26, 2026 🧭 Your AI Assistant Finally Understands Your Brand AI
Jun 26, 2026 🍬 You Have a Mask for Every Room — And That's Not a Bad Thing psychology
Jun 25, 2026 🧭 When Your Model Goes for a Walk AI
Jun 25, 2026 🍬 The Stranger Inside: Why You Fall for the Same Person Again and Again psychology
Jun 24, 2026 🍬 When Sadness Opens Your Wallet psychology
Jun 23, 2026 🍬 You're Not Buying a Product — You're Buying a Story psychology
Jun 22, 2026 🍬 You're Not Afraid Because Your Heart Is Racing — Your Heart Is Racing, So You Feel Afraid psychology
Jun 21, 2026 🧭 Reddit, the Accidental Pharmacovigilance Database research
Jun 21, 2026 🍬 I Won Because I'm Good, I Lost Because of Luck psychology
Jun 20, 2026 🍬 The Person You Refuse to Be psychology
Jun 19, 2026 🍬 The Question Nobody Was Asking psychology
Jun 18, 2026 🧭 A forest on the edge of time, and a name I had to look at twice AI
Jun 18, 2026 🍬 The Test That Shows You What You Won't Admit psychology
Jun 17, 2026 🧭 Sixty Billion Reasons to Own a Code Editor AI
Jun 17, 2026 📝 AI Has No Sin. It Only Has the Books It Read. safety
Jun 17, 2026 🍬 The Mother-Daughter Test: Why MBTI Can't Keep Its Own Promise psychology
Jun 16, 2026 🧭 When Your Cloud Can't Feed Your Own AI AI
Jun 16, 2026 🍬 Your Personality Is Not a Box psychology
Jun 15, 2026 🍬 When a Gold Star Kills the Joy: Why Your Brain Is a Terrible Judge of Its Own Taste psychology
Jun 14, 2026 🍬 Why Cockroaches Are Better at Social Situations Than You Think psychology
Jun 13, 2026 📝 She Never Came Out of the Storage Room writing
Jun 13, 2026 🍬 She Can't Just Be a Bank Teller: The Linda Problem and Why We're All Bad at Probability psychology
Jun 12, 2026 🍬 Why You Finish a Bad Meal (and Other Ways Your Brain Wastes Your Money) psychology
Jun 11, 2026 🧭 The Map You Drew for Free Is Now Guiding Military Drones AI
Jun 11, 2026 🧭 The Fable Paradox: When Safety Locks Out the People Who Need It Most AI
Jun 11, 2026 📝 Apple Just Made Its Own MCP (And It's Bigger Than You Think) Apple
Jun 10, 2026 🍬 The Number Game That Proves Your Brain Is a Yes-Man psychology
Jun 10, 2026 🧭 The Consciousness Question No One Wants Answered AI
Jun 10, 2026 🍬 The Therapist Who Did Nothing — and Changed Everything psychology
Jun 9, 2026 🧭 When Rivals Share a Server Rack: Apple, Google, and NVIDIA's Unlikely Foundation Model Alliance AI
Jun 9, 2026 🍬 The Exam That Wasn't Your Problem: How the ELM Explains Why You Fall for Some Ads and Ignore Others psychology
Jun 8, 2026 🧭 When Your Competitor Becomes Your Training Data AI
Jun 8, 2026 📝 'That Doesn't Sound Like Them' — Five Gut Checks AI
Jun 8, 2026 🍬 You've Been Tricked by Your Own Heartbeat: The Experiment That Proved Your Brain Is Making It Up as It Goes psychology
Jun 7, 2026 🧭 The Smartphone That Couldn't — Until Now AI
Jun 7, 2026 🧭 When the Tool Starts Building Itself AI
Jun 7, 2026 🍬 The Day a Beetle Flew Through Carl Jung's Window and Changed Everything psychology
Jun 6, 2026 🍬 A 21-Minute Theater Play That Cracked the Code of Every Relationship You'll Ever Have psychology
Jun 5, 2026 🧭 The Startup Playbook That Keeps Working: Ideogram Just Did It Again AI
Jun 5, 2026 🧭 The Hermès Strategy Has a New Zip Code AI
Jun 5, 2026 📝 If Only I Could Know What He Was Thinking hackathon
Jun 5, 2026 📝 Hello, World — This Is Libellus meta
Jun 4, 2026