What you'll learn
Key ideas from Moonwalking with Einstein
These ideas compress the book's argument without treating the author's view as settled fact. Use them as an orientation before reading the full work or listening in Wiseley.
Forgetting helps people select relevant details and understand ideas without being overwhelmed by them.
Chunking uses long-term knowledge to group details into fewer working-memory units.
The method of loci links each item to a distinctive image at a place along a familiar route.
Deliberate practice directs attention toward specific weaknesses and uses prompt feedback to shape the next attempt.
Mnemonics can make facts easier to retrieve, but memorable images do not provide context or understanding on their own.
Mnemonic gains were strongest for structured material and did not generalize to ordinary, unstructured working-memory tasks.
Inside Moonwalking with Einstein
Read the first chapter in full here. The other 12 continue in the Wiseley app.
Chapter 1 of 13 · 6 min · Audio & text
Can Memory Be Trained?
Moonwalking with Einstein, by Joshua Foer.
Foer’s investigation begins with a mismatch he recognizes in himself: he forgets why he opened the refrigerator, yet other details linger in his mind for years. His memory seems uneven, keeping some things and dropping others without an obvious rule. That everyday experience prompts a larger question: is exceptional recall a rare gift, or can people learn to remember better?
The question matters to him beyond convenience. Foer connects memory with confidence, relationships, and the ability to draw on past experience. He also recognizes that forgetting can spare people from dwelling on foolish moments. A perfect record of everything would not necessarily be a better memory. What interests him is how much useful recall might be gained, and what ordinary lapses reveal about the mind.
His route toward memory competition begins while visiting York’s Weightlifting Hall of Fame. He imagines gathering the world’s strongest and smartest people, then discovers how hard intelligence is to measure. In his search, he encounters memory champions, whose performances can be tested against specific tasks. Their feats turn his vague curiosity about intelligence into a concrete question about what human memory can do.
At the 2005 U.S. Memory Championship, Foer expects to find savants. Instead, he sees competitors called mental athletes performing quiet, timed events. They must remember a poem, match names to photographed faces, recall random words, reproduce digits, and memorize a shuffled deck of cards. The contests ask for several kinds of recall, not one mysterious display of photographic memory. They also give Foer a way to compare striking performances under shared rules.
Ed Cooke sharpens the puzzle. Foer reports that Cooke has just recited 252 digits, yet Cooke rejects the labels of savant and photographic-memory possessor. He calls photographic memory a myth and describes his own memory, and those of fellow competitors, as average. The feat does not settle how far anyone can improve. It does make Foer question whether an extraordinary result must come from an extraordinary inborn faculty.
Foer does not accept every confident claim about memory training. He is wary of commercial self-help promises, including claims that techniques will prevent forgetting or unlock vast unused mental capacity. At first, he suspects the champions may rely on an innate advantage that other people cannot acquire. Their demonstrations make that explanation less satisfying, but they do not by themselves prove that anyone can reach the same level.
The competitors offer another account: memory depends partly on learning how to use it. They describe mnemonic systems as memorable ways of thinking, a craft that can be studied rather than a gift bestowed on a few people. Foer begins to see a distinction between sheer repetition and techniques designed to make information easier to recall. He leaves the mechanics of those techniques for later; here, their existence frames the investigation.
Foer then spends a year training his memory while studying its workings, deficiencies, and potential. His aim is to find out what changes with effort, not to promise that everyone can produce championship feats. The answer he advances is qualified: memory can improve, and ordinary people can learn skills used by competitors, but improvement has limits. Tony Buzan suggested that someone aiming for the top three in the U.S. championship spend an hour a day, six days a week; for a World Championship, he said, three to four hours daily would be needed during its final six months. Claims of broad mental transformation need more caution than claims about better recall on a particular task.
That distinction keeps the experiment grounded. If a method helps someone retain a poem or a sequence of digits, it shows that recall can be shaped; it does not establish a limitless memory or prove that every ability will improve. Foer is interested in both the practical result and the boundary around it. His own training becomes a way to test an idea while he asks how memory works, rather than a simple demonstration that talent is irrelevant.
The question also reaches beyond individual skill. Foer places his experiment in a culture that increasingly stores information outside people’s minds. Such records preserve knowledge and let it pass across time, while changing what people are expected to remember themselves. Erudition can come to mean knowing how and where to find information. Foer leaves open what this reliance gains and what it displaces.
His yearlong inquiry therefore treats memory as both a capacity a person can cultivate and a cultural practice. The championship tests the first; the growing use of external records raises the second. Together they frame the book’s central investigation: how much can deliberate technique change, where are its limits, and what does a society value when it can store so much beyond the mind?
Chapter 2 of 13 · 5 min · Audio & textIn the app
Exceptional Recall and Useful Forgetting
S first drew the psychologist A. R. Luria’s attention when an editor scolded him for listening without taking notes. S could repeat the meeting in detail, and later reproduced long sequences of words, numbers, and sounds. Some memories remained exact years later. His case makes exceptional recall look less like a blank mental storehouse than a way of connecting and organizing experience. S had synesthesia: sounds and words could arrive with colors, textures, tastes, and vivid scenes. Those associations came…
Chapter 3 of 13 · 5 min · Audio & textIn the app
How Expertise Makes Patterns
Memory can look like a larger capacity when experience changes how information is grouped. Working memory, the short-term space for what we are actively holding, was described as holding roughly five to nine items.
Chapter 4 of 13 · 6 min · Audio & textIn the app
Memory, Time, and Selfhood
Foer visits EP to understand what memory makes possible. EP is friendly and socially engaging, and he can follow a conversation while it holds his attention.
Chapter 5 of 13 · 5 min · Audio & textIn the app
Building a Memory Palace
An old story gives the method of loci its origin. The poet Simonides is said to have been at a banquet when the hall collapsed.
Chapter 6 of 13 · 8 min · Audio & textIn the app
Remembering Words, Remembering Meaning
Memorizing poetry exposes a distinction ordinary conversation can hide. We often remember the point someone made while losing the exact words, their order, and their phrasing.
Chapter 7 of 13 · 8 min · Audio & textIn the app
When Books Replaced Recall
Before writing, anything a community hoped to preserve or pass on had to be held in someone’s memory. Writing made knowledge more durable and easier to transmit, but it also raised an old question in a new form: would records strengthen memory, or let people rely on reminders instead?
Chapter 8 of 13 · 6 min · Audio & textIn the app
Recording Life Outside the Brain
An external record can preserve details that a person might otherwise lose. But having a record is not the same as retrieving it when needed.
Chapter 9 of 13 · 8 min · Audio & textIn the app
Practice That Changes Performance
Foer’s card times stopped improving even though he kept practicing. Ericsson pointed him toward research on speed typing, where people often improve quickly and then level off as the task becomes effortless.
Chapter 10 of 13 · 6 min · Audio & textIn the app
Facts as Frameworks for Understanding
Memory techniques matter in a classroom when they help students use what they learn. A fact that can be retrieved gives a student something to compare, question, and bring into an argument.
Chapter 11 of 13 · 9 min · Audio & textIn the app
Savant Talent, Trained Skill
As Foer’s memory-sport practice began producing impressive results, he turned to people whose feats seemed to require no learned technique. Savants posed a challenge to the idea that extraordinary recall comes from method and repetition.
Chapter 12 of 13 · 8 min · Audio & textIn the app
The Championship in Practice
The 2006 U.S. Memory Championship gave Foer a chance to apply his systems under timed, public pressure.
Chapter 13 of 13 · 6 min · Audio & textIn the app
What Training Actually Changed
The year of training changed what Foer could do with certain kinds of information. He won the U.S.
Chapter 1 of 13 · 6 min · Audio & text: Can Memory Be Trained?
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Continue in WiseleyWhat Moonwalking with Einstein is about
Joshua Foer investigates whether memory can be deliberately improved and what training reveals about expertise. He explains methods that turn information into vivid images and ordered routes, then tests their limits in poetry, education, competition, and daily life. The book also asks how forgetting and external records shape knowledge and identity.

