How to Teach Yourself Physics From a Textbook and Check You're Right
Every physics guide says to check your number against the back of the book. Physics research says that number is a weak witness. Write the account first.
Read articleTips, guides, and thoughts on learning effectively, studying smarter, and making the most of your curiosity.
Every physics guide says to check your number against the back of the book. Physics research says that number is a weak witness. Write the account first.
Read articleEvery guide tells you to write your own questions and your own answer key. Here's why that check can't catch your mistakes — and what to use instead.
Read articleEconomics has the best free practice materials of any self-study subject — and none of them can read the argument you wrote. How to close that gap.
Read articleEvery guide says to check your work; none says how to do it alone. A working method for verifying linear algebra solutions and proofs without a teacher.
Read articleThere is no magic review calendar. Use retrieval, your retention horizon, and recall performance to build a schedule that survives real life.
Read articleA stack of books is not a curriculum. How to sequence the list yourself — and where to get the professor half: questions, feedback, and review dates.
Read articleForgetting what you read is one of two fixable failures — it never got in, or it decayed. How to tell which is yours, and the fix that survives.
Read articleThe risk with Kant is not failing to understand him — it is thinking you did. A working procedure for reading the Critique without a class.
Read articleYou can remember a book without writing anything down — but only if you replace the job the notes were doing. The honest answer, and the method.
Read articleEvery roadmap hands you a reading list. Here is the reading order plus the half nobody covers: what to do when there is nobody to ask.
Read articleAI tutors you pay once for do exist — but "pay once" means three different things. The honest map, and which one applies to the book you chose.
Read articleEvery book summary app shortens the book — that is what it is for. Here is the honest alternative: keep the whole text and turn it into a course you study.
Read articleSpacing is the principle; flashcards are one implementation. How to run spaced repetition on a book you have read, without building a single card.
Read articleChat with a book so the AI answers only from it — grounded in your uploaded source, never generic internet knowledge, and never a summary.
Read articleNotebookLM is great for research and audio overviews, but won't build a chaptered course. An honest comparison — and the alternative that does.
Read articleTurn a PDF into a self-paced course you study — no subscription, just one-time credits that never expire, with audio, a grounded tutor, and recall.
Read articleTurn any book or PDF into a structured self-study course — with AI chapters, audio, a tutor grounded in your book, practice, and spaced recall.
Read articleScheduled recall turns one-and-done reading into durable memory. Here is the science behind it, and how StudyJunkie now helps you do it automatically.
Read articleReading Stephen Hawking feels inspiring, but solving Maxwell's Equations feels impossible. Here's how to cross the chasm between popular science and genuine scientific understanding.
Read articleFive proven ways to retain more from the books you read — active recall, spaced repetition, interleaving and more, backed by cognitive science.
Read articleTired of forgetting books weeks after reading them? Here's a practical system for retaining knowledge from everything you read, designed for lifelong learners.
Read articleUpload any book and start your interactive learning journey with AI-powered discussions and exercises.
Get StartedCreate an account, then buy Study Credits when you are ready to generate.