Part I: AI Training Ground
1. Ford vs Ferrari Analogy to Cray
2. Huge WWII Projects
3. Patterns of Thought
Part II: AI Techniques Mastered
4. Becoming the Revolutionizer
Try This Right Now
What Just Happened
A Personal Example
The Original Example
The Promise: What You Will Become
Barriers as Opportunities
How to Take This Course
Path 1: Immediate Results (Lessons 4-11)
Path 2: Deep Understanding (Lessons 4-22)
Path 3: Complete Mastery (All Lessons)
Reading Guidance
Sample Conversation
The Wizard’s Lens
A Note on Phrasing
What Comes Next
5. The Ping Pong Effect
Counterintuitive Behavior
The Missing Piece
The Underlying Pattern
Specific Example: Naming the Effect
Try This Right Now (5 minutes)
Extended Conversation
Whiteboard Collaboration
Enthusiastic Responses
Exploring Intuition
What the Ping Pong Effect is NOT
Not Longer Conversations
Not Brainstorming
Not Rubber Ducking
Not Prompt Chaining
Not AI Tutoring
Is Sustained and Guided Collaboration
Back On Track
Claude Misses Half the Point
The Key Insight
Side Issue is Actually Central
Why Has Nobody Figured This Out?
How to Guide the Conversation
Exercise 1
How To Use Physical Analogies
Six-Part Structure
Summary
Exercise 2
Questions for Reflection
Quiz 1
1 attempt allowed
6. Same Skill Different Context
Publisher Acceptance
Encouragement
Nobody but Us
Ping Pong Effect
Chain of Associations
Exercise 3
AI Collaboration
Bad-Vibe Coding
Value in Inexperience
Technical Review
Constraint Transformation
Deeper Significance
Theory of Constraints
Case Study
Example: “Absolutely Not!”
Continuous Monitoring
Understand What You Are Closely Observing
Shifting to Holistic View
Exercise 4
Beyond Traditional Prompt Engineering
Exercise 5
The Competitive Edge in Practice
Summary
Exercise 6
Questions for Reflection
Personal Application
Technical Application
Experimentation
Quiz 2
1 attempt allowed
7. Familiar Techniques Applied Differently
Universal Crossover Skills
Taking the Long View
Science of Expertise
Prerequisite Mastery
Exercise 7
Whiteboard Discussion
Feedback Loop
Visualization
Exercise 8
Loud Whiteboards
Human/AI Boundary
Intractable Problems
Fitting the Problem Into a Box
Matched Expertise
Exercise 9
Identifying Specific Techniques For Your Use
Self Evaluation and Pushback
Using Known Skills
Riding Your Own Boundaries
You Drive the Conversation
Dangerously Faulty Hidden Assumptions
Exercise 10
Competitive Edge Through Crossover Skills
Summary
Exercise 11
Questions for Reflection
Personal Application
Technical Application
Experimentation
Exercise 12
Quiz 3
1 attempt allowed
8. Viewing Differently
Kung Fu Flashback
Holistic Thinking
If-Then Perspective
Exercise 13
The Slinky
The Slinky Viewed Differently
Ping Pong Effect
Derive the Implications
Identifying Timeless Skills
Exercise 14
The Time Travel Pattern
Exercise 15
The Competitive Edge of Multiple Perspectives
Exercise 16
Summary
Exercise 17
Questions for Reflection
Systems Thinking
IF … THEN Analysis
Time Travel Patterns
Practical Application
Quiz 4
1 attempt allowed
9. Local Memory Refresh
Oil Exploration
Seismic Exploration
Reservoir Simulation
New Magnetic Tape Technology
Exercise 18
Joining Cray Research Software Division
Mysterious Problem
Local Memory Congestion
High Impact Failure
Hypothesis
Exercise 19
Modern Application of Old Technique
The Need For Context Refresh
Exercise 20
Summary
Exercise 21
Questions for Reflection
Personal Experience
Technical Application
Experimentation
Quiz 5
1 attempt allowed
10. Connecting the Dots
As the System Unfolds Before You
The Correspondence to Large Language Model Elements
The Correspondence to Large Language Model Training Steps
Billy Mitchell and Miss Mitchell
Doolittle Funeral
Exercise 22
Interconnected Writing Projects
Motivation: Tour Guide
Oddly Relevant Choices
Hidden Agendas
Kenney Sets an Example
Omitted Information
Working Back in Time
Exercise 23
The Missing Piece: My Failed Attempts
Exercise 24
The Method That Worked
Exercise 25
Model of Large Language Model
Exercise 26
Physical Information Organization
Exercise 27
Summary
Questions for Reflection
Pattern Recognition and Knowledge Organization
Author Bias and Information Quality
Time Travel Patterns and Skill Preservation
Physical Models of Digital Systems
Deep Research and Mastery
Metacognitive Awareness
Application to AI Collaboration
Experimentation and Discovery
Quiz 6
1 attempt allowed
11. The Attention Mechanism
Road Versus Map
Training Data Cutoff Date
Importance of Careful Observation
Waypoint Details
Multiple Information Layers
Parallel and Equivalent Routes
Shifted Perspective Knocked My Socks Off
Same Pattern Different Context
Exercise 28
World Dynamics
Mental Models of Social Systems
Computer Models of Social Systems
Dynamic Behavior
Exercise 29
Summary
Exercise 30
Questions for Reflection
Mental Models
Practical Application
Systems Thinking
Experimentation
Exercise 31
Quiz 7
1 attempt allowed
Part III: AI Techniques Discovered and Applied
The Road Not Taken
Career Professionals
College and Early Career
Winner Take All
The Origin Story: How #s Was Discovered
Why This Order Matters
The Revolutionary Proof
What You Are About to Witness
Why This Proof Matters
12. How Do Large Language Models Actually Work?
13. The Importance of Attitude
14. The Conversation Begins: Discovering Systems Thinking
Training When Winner Takes All
Additional Crew Member
Exercise 32
Reading This Case Study: A Training Exercise
Close-Observation Checklist
Why Raw Transcripts Matter
Understanding Productive Versus Unproductive Digressions
About Claude’s Verbosity
Evolving Feedback Loop
The Wrong-Template Pattern
Your Assignment
Case Study Structure
The Inverted Order: Origin Before Teaching
Chronological Reality (March 2025)
Your Reading Experience
Why This Ordering Works
Why the Reverse Ordering
Demonstrating Mastery as Intuition
Tangential Digressions
Discerning the Patterns
Pilot Briefing
Connecting to #s
Our Respective Roles
Vision Document
Summary
Witnessed in This Lesson
Key Techniques Demonstrated
Critical Skill to Develop
Physical Analogies
Looking Ahead
Exercise 33
Quiz 8
1 attempt allowed
15. Refining a Mental Model Through Close Observation
Two-Part Responses
Exercise 34
Summary
Quiz 9
1 attempt allowed
16. Why Codebreaking Was Important
17. The Breakthrough: Mapping the Apprentice Journey
The Impossible Task
Core Cognitive Skills of Wizard Thinking
Progressive Skill Development
Specific Cognitive Development
From Perception to Action
Off the Rails
Exercise 35
Lasting Insights
Key “Revolutionizer” Cognitive Patterns Worth Preserving
Exercise 36
Summary
Exercise 37
Questions for Reflection
Epilogue
Corollary
Quiz 10
1 attempt allowed
Part IV: Accomplishing the Impossible
The Road Not Taken
Career Professionals
College and Early Career
Winner Take All
18. Take Joy in the Challenge (Part One)
Lab Assignment
The Goal
Deeply Challenging
Large Language Model Insight
Token Management
When it Cannot be Done
Hidden Adventure
Hello World
Learn Quickly
Extreme Resource Limits
Visualizing Dimensions
Infinite Loop
Exercise 38
Memory Cleanup
Exercise 39
Summary
Exercise 40
Questions for Reflection
Resource Management Parallels
Mindset Application
Technical Understanding
Experimentation
Quiz 11
1 attempt allowed
19. Learning From Wilderness Travel
20. Token Space Management (Part Two)
Exercise 41
Smoke on the Water
Exercise 42
Embracing Challenges
Exercise 43
Time Travel Patterns
Exercise 44
Summary
Exercise 45
Questions for Reflection
Resource Management
Embracing Challenges
Imagery and Understanding
Practical Application
Quiz 12
1 attempt allowed
21. Doing It Because It Has Never Been Done Before (Part Three)
Two Esoteric Lessons
Too Esoteric to be Lessons
The Pattern Revealed
Have Fun With the Challenges
Most Important Lesson
22. Close Observation Yields Breakthrough Insights
Exposing More Associations
Adolescence of P-1
Jimmy Doolittle
Pappy Gunn
Fog
Not Triangulation
Working Demonstration
Exercise 46
Attention Mechanism: Template Pattern Trumped Reasoning Pattern
The Initial Prompt
The Transactional Response
The Loaded Question
Error Noted, But Intent Missed
Aftermath
Back Story
Exercise 47
Filtering Responses
Exercise 48
Summary
Questions for Reflection
Connecting to #s
Progressive Revelation and Verification
Pattern Recognition Across Contexts
Quiz 13
1 attempt allowed
Part V: Mastery Independent of Technology
The Road Not Taken
Career Professionals
College and Early Career
Winner Take All
23. Jolene’s Story
Human Training Data
Preview
The Beta
Nepal
Exercise 49
Grand Teton
Exercise 50
Audition
Exercise 51
Experiential Education
Standard of Judgment
Exercise 52
Summary
Quiz 14
1 attempt allowed
24. What did you learn about software development in the mountains?
25. The Mountain
The Cliffhanger
Preparation and Practice
Exercise 53
Guide Your Own Interest
Exercise 54
Alpine Start
Exercise 55
The Teenage Mountaineers
Willi’s Toes
Exercise 56
Trip Leader
Summary
Quiz 15
1 attempt allowed
26. College Spring Break
The Goal
Exercise 57
Practice Climb
Exercise 58
Crevasse Rescue Training
Exercise 59
Up the Mountain
Exercise 60
What Goes Up Must Come Down
Exercise 61
40 Years… and Back
Summary
Quiz 16
1 attempt allowed
27. Planning, Preparation, and Practice
Guiding Yourself
Climbing Mount Rainier
Planning and Preparation
Exercise 62
Visit the Park
Exercise 63
Physical Preparation
Practice
Exercise 64
Keep Learning
Transferring Perspective
Summary
Quiz 17
1 attempt allowed
28. Mastering the Craft
Deliberate Practice
Nathaniel Bowditch
Navigation
Exercise 65
John Harrison
Exercise 66
Extending the Craft
Exercise 67
Summary
Quiz 18
1 attempt allowed
29. Hands-On Learning
30. Experiential Learning and Trust
Part VI: Becoming the Revolutionizer
31. Choosing to Become
Prerequisite Skills
The “Revolutionizers” (1952)
Exercise 68
Shifted Perspective
FULL PURPLE
Dancing With the System
Exercise 69
Wizard Thinking
Quiz 19
1 attempt allowed
Part VII: The Wizard’s Lens
32. It’s Not Rocket Science
Secrets from Grade School
Third Grade
Fourth Grade
Summer School
Two Secrets
Planning, Preparation, and Practice
Make the Challenge Fun
Exercise 70
Bragging Rights
Exercise 71
Keeping the Boredom Away
The Impossible Challenge
What We Learned
Quiz 20
1 attempt allowed
33. Ed’s Attitude Toward Failure
34. Engaging With Complex Systems
Provenance
Trailing Indicators of Mastery
Flow With the System
Core Elements
Exercise 72
Cognitive Transitions
From Linear to Systems Thinking
From Physical to Informational Battlefields
From Specialized to Integrated Knowledge
Exercise 73
Time Travel Patterns
Exercise 74
Mindset Elements
Joy-in-Challenge Orientation
Intellectual Flexibility
Exercise 75
Transforming Constraints to Revolutionary Devices
Comprehensive System Visualization
Problem Redefinition Around Core Constraints
Comprehensive Knowledge Mapping
Narrative Framework Construction
Exercise 76
Technical Implementation of Constraint Transformation
Memory Bank Limitations Become Pipelined Performance
Functional Unit Timing Becomes Instruction Interleaving
Instruction Fetch Limitations Become Instruction Buffers
Exercise 77
The Temporal Dimension of Constraint Transformation
Exercise 78
Practical Application Becomes General Approach
Exercise 79
The Seven Lessons of Mastery
Exercise 80
Quiz 21
1 attempt allowed
35. Patterns of Mastery Emerging From Both Humans and AI
Both Human and AI
Opposites In Tension With Each Other
Exercise 81
Quiz 22
1 attempt allowed
Part VIII: Road Map
36. Show and Tell
37. Appendix A. HPC Tradecraft Road Map
The 1995 Barrier
Two Series
Book 1. The AI Coverup: Are We Really Hallucinating?
Book 2. Nobody but Us: A History of Cray Research’s Software and the Building of the World’s Fastest Supercomputer
Book 3. The Wizard’s Lens: Learn to Think Like AI
Book 4. Ethics in High-Stakes Environments: Personal Survival Within a Power Imbalance
Book 5. Unexpected Histories: Spotting Patterns and Making Connections That Others Miss
Book 6. Constraint-Based Design: An Unexpected Gateway to Understanding Modern LLM Architecture
UPDATE
APML
Adventurer Experience
Constraint-Based Design
The Wizard's Lens: Learn to Think Like AI (The Course)
HPC Tradecraft Apprenticeship, Volume 3
Learn to think like AI through a working LLM you build yourself. Battle-tested systems thinking from Cray Research applied to modern AI. Accomplish what others consider impossible.
Minimum price
$359.95
$439.95
You pay
Author earns
About
About the Course
What if you could see how AI actually thinks?
Not metaphorically. Not theoretically. But through a working demonstration you can build yourself using physical objects—the same approach Donald Michie used in 1961 to prove machines could learn, by teaching matchboxes to win at tic-tac-toe.
The Wizard’s Lens reveals something that does not exist elsewhere in AI literature: a complete Large Language Model you can construct and operate with terrain maps, tokens, and attention mechanisms made tangible. This is not a metaphor for understanding AI. This is AI, demonstrated through physical implementation.
While others struggle to use AI effectively, this book teaches you to think like AI—to see the patterns, understand the mechanisms, and apply insights that enable you to accomplish what has never been done before.
The Hidden Knowledge
What Cray Research accomplished is well documented: we built the world’s fastest supercomputers and changed what was computationally possible. How we did it has never been written down—until now.
This book shares the systems thinking approaches and revolutionary mindset from that era, applied to modern AI. Not as history, but as practical methods you can use today. The same approaches that created computational breakthroughs in environments where second place was not survivable now reveal how to work with AI in ways others cannot replicate.
For those who recognize the significance of Cray Research: yes, this is that knowledge. For everyone else: you’re learning approaches that have already proven they enable the impossible.
What You’ll Discover
Through hands-on demonstrations and clear explanations, you’ll learn:
Token Context and Embeddings - Build a working model that shows how AI represents and processes information, using physical tokens and terrain maps that make abstract concepts concrete.
Attention Mechanisms - Understand how AI focuses on relevant information through a demonstration you can manipulate yourself, revealing why certain approaches work and others fail.
The Ping Pong Effect - Move beyond one-shot prompting to develop collaborative relationships with AI that grow more effective with each interaction.
Pattern Recognition at Scale - Learn to see how AI connects disparate information, and how to structure your work to leverage these connections.
Revolutionary Thinking - Develop the mindset that enables you to take on challenges others consider impossible, treating “it can’t be done” as an invitation rather than a boundary.
Why This Book is Different
Most AI books teach you to write better prompts or explain transformer architecture with equations. This book shows you how the mechanisms actually work through physical demonstration, then teaches you to apply that understanding in ways no one else can.
You’ll learn to use AI like nobody before you—not through tricks or techniques, but through genuine understanding of how Large Language Models process information, maintain context, and generate responses. This understanding transforms how you collaborate with AI, opening possibilities that others believe require technology that doesn’t exist yet.
Who This Book is For
This book serves multiple audiences:
Professionals and knowledge workers who need to accomplish complex tasks with AI and recognize that basic prompting has fundamental limitations.
Developers and technical practitioners who want to understand LLM internals without drowning in mathematics, gaining practical insight that informs better implementation decisions.
Strategic thinkers and innovators who need to solve problems that have never been solved before, and recognize that revolutionary results require revolutionary approaches.
Anyone who suspects there’s more to AI than what current tutorials and guides reveal, and wants to develop capabilities that create genuine competitive advantage.
The Author’s Background
Edward W. Barnard spent years at Cray Research during the era when we were accomplishing what had never been done before in computing. This book shares the systems thinking approaches and revolutionary mindset from that time, now applied to AI collaboration.
These aren’t theoretical frameworks. These are battle-tested methods from environments where results mattered more than credentials, where impossible challenges were solved through clear thinking and revolutionary approaches to complex systems.
The cryptographic origins of modern computing—from Alan Turing through Seymour Cray—created specific ways of thinking about information, context, and computational possibility. This book teaches those approaches in a form you can apply immediately.
What’s In It For You
Immediate capability - Learn to accomplish tasks with AI that others consider beyond current technology, through understanding how LLMs actually process and generate information.
Deep understanding - Build a working LLM yourself, making abstract concepts concrete and revealing why certain approaches succeed while others fail.
Transferable skills - Develop systems thinking approaches that work across all AI platforms and remain valuable regardless of how technology evolves.
Revolutionary mindset - Learn to approach impossible challenges the way they were approached at Cray Research: as interesting problems to solve rather than boundaries to accept.
Long-term mastery - Create a foundation for continually improving your AI collaboration skills, based on understanding rather than memorized techniques.
Whether you’re drowning in operational complexity, struggling with projects that seem beyond AI’s current capabilities, or simply know there’s a better way to work with these tools, this book will transform not just what you can accomplish with AI, but how you think about what’s possible.
The revolution isn’t coming. It’s here. The question is whether you’ll be among those who can see it.
Instructor
About the Instructor
No Time to Be Beginners
What was it like to stand in the breach, with nobody else to take the decisions, and do-overs are too late? Margaret Hamilton, the first programmer hired for the Apollo project at MIT, explained:
Because software was a mystery, a black box, upper management gave us total freedom and trust. We had to find a way and we did. Looking back, we were the luckiest people in the world; there was no choice but to be pioneers; no time to be beginners.
During the Cold War when it was "nobody but us," our decisions and solutions were shaped by constraints. At Cray Research constraints and barriers pointed us to the best point of leverage. To remain the best in the world, we had no other option. But before considering leverage, we carefully identified and proved relevant capabilities. Those capabilities showed us what solutions might be plausible. We also found that if it wasn't fun, it probably was not worth doing.
This forced way of working, where responsibility could not be abstracted away, has been mostly lost to time.
My Role as Custodian of Lost Skills
I am bringing you those skills because they were never passed to the next generation. I created a primary source document showing what it was like: Nobody but Us: A History of Cray Research's Software and the Building of the World's Fastest Supercomputer. But I wrote a second primary source, reproducing the Cray Research skills for you right now, in 2026. The Wizard's Lens: Learn to Think Like AI is an apprenticeship drawing you in to experience, not merely read about, how we continuously "achieved the impossible" at Cray Research.
Those Cray Research skills did not begin with software, or even hardware. They began outdoors. Experiential education, with real risks and real consequences, has also been abstracted away. That is where judgement is formed. For this I wrote Surviving Spring Break on the Mountain: The Power of Experiential Education.
Pure Entertainment
If it isn't fun, it probably isn't worth doing. I continued practicing the most important debugging skill I know: spotting patterns and connections that others miss. I wrote Unexpected Histories to show you shifted perspectives, purely for entertainment, but showing real history that matters today. In each case, once you see it, you cannot "un-see" it.
Эдвард Барнард
Когда нет времени быть новичком
Каково это — стоять на переднем крае, когда больше некому принимать решения и на повторные попытки уже нет времени? Маргарет Хэмилтон, первый программист, нанятый для проекта Apollo в MIT, объясняла это так:
Поскольку программное обеспечение было загадкой, «чёрным ящиком», высшее руководство предоставило нам полную свободу и доверие. Мы должны были найти выход — и мы его нашли. Оглядываясь назад, можно сказать, что мы были самыми везучими людьми в мире: у нас не было выбора, кроме как быть первопроходцами; не было времени на ученичество.
Во времена холодной войны, когда всё сводилось к принципу «никто, кроме нас», наши решения и подходы формировались под давлением жёстких ограничений. В Cray Research именно ограничения и барьеры указывали нам на наиболее эффективную точку приложения усилий. У нас просто не было иного пути, кроме как стать лучшими в мире. Но прежде чем прилагать усилия, мы тщательно искали и проверяли соответствующие компетенции. Именно они показывали, какие решения вообще могут быть осуществимы. Мы также поняли: если дело не приносит удовольствия — вероятно, не стоит им заниматься.
Этот вынужденный стиль работы, при котором ответственность нельзя переложить на других, почти утрачен со временем.
Моя роль как хранителя утраченных навыков
Я передаю вам эти навыки, потому что они так и не были переданы следующему поколению. Я написал книгу воспоминаний о том, как это было на самом деле: Nobody but Us: A History of Cray Research's Software and the Building of the World's Fastest Supercomputer. («Только мы: история программного обеспечения Cray Research и создания самого быстрого суперкомпьютера в мире»). Но я написал и вторую книгу, возрождающую стиль мышления Cray Research для вас прямо сейчас, в 2026 году. The Wizard's Lens: Learn to Think Like AI («Линза волшебника: научитесь думать как ИИ») — это учебник, который погружает вас в атмосферу и дает опыт, а не просто рассказывает о том, как мы постоянно «достигали невозможного» в Cray Research.
Истоки подхода Cray Research лежат не в программном обеспечении и даже не в железе, а в холодной реальности жизни. Обучение через опыт, с реальными рисками и реальными последствиями, подвергнутое переосмыслению. Именно так формируется суждение. Об этом я написал книгу Surviving Spring Break on the Mountain: The Power of Experiential Education («Выжить на весенних каникулах в горах: сила обучения через опыт»).
Чистое развлечение
Если это не приносит удовольствия — вероятно, этим не стоит заниматься. Я продолжал практиковать самый важный навык профессионального отладчика, который знаю: замечать закономерности и связи, которые другие упускают. Я написал Unexpected Histories («Неожиданные истории»), чтобы показать вам смещенные перспективы — исключительно ради развлечения, но опираясь на реальную историю, которая имеет значение и сегодня. В любом случае, увидев это однажды, вы уже не сможете «развидеть» увиденное.
Episode 317
An Interview with Edward W. Barnard
Material
Course Material
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