KnowledgePosts Research on knowledge management and educational publishing

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Education & LearningJuly 6, 202611 min

Humanities experts fix what's broken in math class

From storytelling to cultural responsiveness, a growing body of teaching research shows how skills born in literature and philosophy classrooms are finding their way into widely-used math learning strategies.

There is a moment in every math classroom when the numbers stop being abstract. When the formula on the board connects to something a student cares about the recipe they help their grandmother cook, the way their favorite sports team calculates statistics, the budget they are already keeping in a notebook. For educators trained in the humanities, that moment of connection is not incidental. It is the whole point. Across schools, training programs, and educational research institutions, a quiet shift is underway....

Education & LearningJune 29, 20269 min

The Man Who Taught Himself by Explaining Things Out Loud

How a physicist's informal notebook habit became one of the most cited learning methods in modern education and why it still works six decades later.

There is a notebook in Caltech's archives with a disarming title written on its cover in Feynman's hand: Notebook of Things I Don't Know About. The premise, as he saw it, was both simple and radical. Before claiming to understand something, Feynman insisted on being able to work through it from memory, in plain language, as if explaining it to someone with no background in the subject. Every time the explanation broke down, he knew exactly where the hole in his understanding lived. Then he went back to the source...

Education & LearningJune 28, 202614 min

The Unlikely Origin Story of How a Single Course Became the World's Most Widely Read Physics Text

How a Nobel laureate's improvised lectures to Caltech undergraduates in 1961-64 became a cornerstone of science education across six decades.

University physics curricula worldwide are largely shaped by “University Physics with Modern Physics,” a comprehensive textbook initially developed as a single, year-long introductory course at the University of Illinois. This text, now in its 15th edition, has become the most widely adopted physics textbook globally, influencing generations of scientists and engineers. Its surprising origin story - born from a practical need to modernize instruction during the post-Sputnik space race - reveals much about the...

Education & LearningJune 26, 202615 min

David Goodstein's physics lessons shaped generations of viewers

How a Brooklyn-born physicist who arrived at Caltech in 1966 to build a low-temperature laboratory ended up reshaping how millions of students understood the laws of motion, matter, and the cosmos itself.

We often assume brilliant physics professors effortlessly convey complex ideas to eager students, but David Goodstein discovered a stark disconnect between his own understanding and his students' struggles. While teaching a freshman course at Caltech in 1979, Goodstein realized simply repeating established lessons wasn't working students weren't grasping concepts he found fundamentally intuitive. This realization sparked a revolutionary approach to physics education, one that would reach far beyond the lecture...

Education & LearningJune 25, 202611 min

Wikidata The backbone of a more connected web

How open-source knowledge graph software like Wikibase became the invisible backbone of collaborative learning and what the model of shared, federated knowledge building means for anyone teaching, researching, or organizing information today.

There is a quiet room in a university library somewhere rows of terminals, the hum of servers, a screen displaying something that looks like a family tree drawn by a mathematician. Each node is a concept: a person, an institution, a historical event, a book. The edges between them are labeled with relationships "founded by," "influenced," "taught at," "published in." What looks like a diagram is actually a database. What looks like a database is actually a new way of thinking about knowledge itself. This is the...

Education & LearningJune 22, 202613 min

The Card Cabinet That Talked Back How Niklas Luhmann's Slip Box Became a Global Thinking Movement

A German sociologist spent decades filling wooden drawers with 90,000 index cards. What he built wasn't a filing system it was a thinking partner that changed how scholars, writers, and now millions of digital note-takers understand the value of connected ideas.

There is a wooden cabinet in a German university that contains approximately 90,000 index cards. Each card holds a single idea, written in a scholar's own words. The cards are numbered, cross-referenced, and connected to one another in chains that stretch across decades of intellectual work. If you were to pull one card and follow its references, you might trace a path through social systems theory, organizational behavior, law, economics, and the philosophy of language all before reaching the bottom of the...

Education & LearningJune 20, 202615 min

The Notebooks of Richard Feynman How a Physicist's Personal Learning Habit Became a Global Teaching Framework

Feynman never published a study method. Decades after his death, the world named one after him and the reason why reveals something uncomfortable about how most of us learn.

There is a shelf at the Caltech Archives that holds Richard Feynman's notebooks. Among them, one carries a title that reads less like a scientific record and more like a personal confession: Notebook of Things I Don't Know About . The premise was simple and, for a Nobel laureate, unusually humble. Before Feynman would claim to understand something, he insisted on being able to work through it himself from scratch, in his own words, without the comfort of borrowed jargon. He never published a study method. He never...

Health & BehaviorJune 18, 202613 min

Inside Serotonin Club NYC The Flatiron Studio Built for Community, Connection, and a Seriously Good Workout

From their signature Serotonin Boost class to rescue puppy yoga with Woof Wellness, here's everything you need to know about one of Manhattan's newest boutique fitness destinations.

There is a particular quality of light that filters through the second-floor windows of an old Flatiron building in late afternoon. In October 2025, two female founders opened the doors to a space they had spent months imagining into existence: a boutique fitness studio built not just for results, but for the kind of connection that outlasts the workout itself. They called it Serotonin Club NYC. The name is both literal and aspirational. The founders understood perhaps from their own years in studios across the...

Editorial ResearchJune 15, 202611 min

AI upends knowledge management expect big changes now

A specific market shift is transforming how knowledge moves from expert to learner and the organizations paying attention now are finding permanent advantages.

The conference room on the third floor of a mid-sized consulting firm in Chicago looked like most knowledge management meetings of a decade ago: a whiteboard covered in boxes labeled "what we know" and arrows pointing every direction. The chief learning officer, who had spent twenty years building their organization's internal wiki, was describing a problem that had become impossible to ignore. "We have everything documented," she said in a 2024 interview with Chief Learning Officer magazine. "Thousands of...

Education & LearningJune 14, 202613 min

Tiago Forte and the Second Brain How a Personal Health Crisis Became a Global Knowledge Movement

From a college student's desperate search for answers to a chronic illness to a methodology taught to thousands worldwide, Tiago Forte's Building a Second Brain traces a quiet revolution in how we think, capture, and create.

The Notebook That Wouldn't Let Go There is a moment in Tiago Forte's origin story that feels less like a productivity tutorial and more like a survival memoir. He was twenty-two years old, sitting in a neurologist's office in San Diego, when a doctor recommended a powerful painkiller that might dull the mysterious symptoms consuming his body. The prescription would fix the problem, the doctor said, at the cost of sensation throughout his entire body. Forte looked at that piece of paper and realized he had reached...