Tips, guides, and insights for lifelong learners and autodidactshttps://studyjunkie.co/en-us© 2026 Study Junkie. All rights reserved.hello@studyjunkie.co (Study Junkie)hello@studyjunkie.co (Study Junkie)https://studyjunkie.co/blog/self-study-linear-algebra-no-answer-key/https://studyjunkie.co/blog/self-study-linear-algebra-no-answer-key/Every 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.Fri, 14 Aug 2026 00:00:00 GMTmathlinear-algebraself-studybooksStudy Junkie Teamhttps://studyjunkie.co/blog/beat-the-forgetting-curve/https://studyjunkie.co/blog/beat-the-forgetting-curve/There is no magic review calendar. Use retrieval, your retention horizon, and recall performance to build a schedule that survives real life.Tue, 11 Aug 2026 00:00:00 GMTforgetting curvememoryretrieval practiceself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/reading-list-into-a-course/https://studyjunkie.co/blog/reading-list-into-a-course/A 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.Mon, 10 Aug 2026 00:00:00 GMTself-studycurriculumreadinglearningStudy Junkie Teamhttps://studyjunkie.co/blog/why-you-forget-what-you-read/https://studyjunkie.co/blog/why-you-forget-what-you-read/Forgetting 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.Sun, 09 Aug 2026 00:00:00 GMTreadingmemorylearningself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/read-kant-critique-on-your-own/https://studyjunkie.co/blog/read-kant-critique-on-your-own/The risk with Kant is not failing to understand him — it is thinking you did. A working procedure for reading the Critique without a class.Fri, 07 Aug 2026 00:00:00 GMTphilosophykantself-studybooksStudy Junkie Teamhttps://studyjunkie.co/blog/remember-what-you-read-without-notes/https://studyjunkie.co/blog/remember-what-you-read-without-notes/You 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.Wed, 05 Aug 2026 00:00:00 GMTreadingmemorybooksself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/teach-yourself-philosophy/https://studyjunkie.co/blog/teach-yourself-philosophy/Every 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.Fri, 31 Jul 2026 00:00:00 GMTphilosophyself-studyautodidactbooksStudy Junkie Teamhttps://studyjunkie.co/blog/ai-tutor-one-time-payment/https://studyjunkie.co/blog/ai-tutor-one-time-payment/AI 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.Sat, 25 Jul 2026 00:00:00 GMTai tutorpricingself-studyautodidactStudy Junkie Teamhttps://studyjunkie.co/blog/blinkist-alternative-full-book/https://studyjunkie.co/blog/blinkist-alternative-full-book/Every 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.Mon, 20 Jul 2026 00:00:00 GMTblinkistcomparisonbooksself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/spaced-repetition-books-no-flashcards/https://studyjunkie.co/blog/spaced-repetition-books-no-flashcards/Spacing is the principle; flashcards are one implementation. How to run spaced repetition on a book you have read, without building a single card.Mon, 20 Jul 2026 00:00:00 GMTspaced repetitionmemorybooksself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/chat-with-a-book-grounded/https://studyjunkie.co/blog/chat-with-a-book-grounded/Chat with a book so the AI answers only from it — grounded in your uploaded source, never generic internet knowledge, and never a summary.Sat, 18 Jul 2026 00:00:00 GMTai tutorgroundingchat with a bookself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/notebooklm-alternative-course/https://studyjunkie.co/blog/notebooklm-alternative-course/NotebookLM is great for research and audio overviews, but won't build a chaptered course. An honest comparison — and the alternative that does.Fri, 17 Jul 2026 00:00:00 GMTnotebooklmcomparisoncoursesself-studyStudy Junkie Teamhttps://studyjunkie.co/blog/pdf-to-course-no-subscription/https://studyjunkie.co/blog/pdf-to-course-no-subscription/Turn 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.Fri, 17 Jul 2026 00:00:00 GMTself-studycoursespricingpdfStudy Junkie Teamhttps://studyjunkie.co/blog/turn-a-book-into-a-course/https://studyjunkie.co/blog/turn-a-book-into-a-course/Turn any book or PDF into a structured self-study course — with AI chapters, audio, a tutor grounded in your book, practice, and spaced recall.Fri, 17 Jul 2026 00:00:00 GMTself-studycourseslearningbooksStudy Junkie Teamhttps://studyjunkie.co/blog/scheduled-recall-is-here/https://studyjunkie.co/blog/scheduled-recall-is-here/Scheduled recall turns one-and-done reading into durable memory. Here is the science behind it, and how StudyJunkie now helps you do it automatically.Mon, 02 Feb 2026 00:00:00 GMTlearningmemoryspaced repetitionproduct updatesStudy Junkie Teamhttps://studyjunkie.co/blog/from-popular-science-to-real-science/https://studyjunkie.co/blog/from-popular-science-to-real-science/Reading 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.Wed, 24 Dec 2025 00:00:00 GMTsciencelearningself-educationphysicsmathematicsStudy Junkie Teamhttps://studyjunkie.co/blog/5-study-techniques-for-lifelong-learners/https://studyjunkie.co/blog/5-study-techniques-for-lifelong-learners/Five proven ways to retain more from the books you read — active recall, spaced repetition, interleaving and more, backed by cognitive science.Fri, 05 Dec 2025 00:00:00 GMTlearningproductivityscienceStudy Junkie Teamhttps://studyjunkie.co/blog/how-to-remember-what-you-read/https://studyjunkie.co/blog/how-to-remember-what-you-read/Tired of forgetting books weeks after reading them? Here's a practical system for retaining knowledge from everything you read, designed for lifelong learners.Wed, 03 Dec 2025 00:00:00 GMTreadingmemorybooksStudy Junkie Team