# Bloom Scroll > 685 technology, maths, science and big-idea videos, talks, lectures and playlists that people linked to each other on Reddit (285 threads, 131 subreddits), each with the comment that mentioned it. A mention can be a recommendation, a question or an argument; each page says which. Nothing is ranked by popularity. Last updated 2026-11-03. Independent index, not affiliated with Reddit or YouTube. Every video page has a one-sentence summary, the Reddit threads it came from, and structured data (schema.org VideoObject). ## Shelves - [Mathematics](https://bloomscroll.example/c/mathematics/): 100 videos. Proofs, intuition and the odd unsolved problem, from calculus to linear algebra. - [Physics](https://bloomscroll.example/c/physics/): 92 videos. Quantum foundations, relativity, circuits and control, in single videos and whole lecture courses. - [Statistics](https://bloomscroll.example/c/statistics/): 13 videos. Probability, entropy and error correction, mostly explained from the definitions up. - [Computer science](https://bloomscroll.example/c/computer-science/): 27 videos. Algorithms, data structures and the limits of computation. - [From scratch](https://bloomscroll.example/c/from-scratch/): 16 videos. Breadboard computers, compilers and renderers, built piece by piece on camera. - [Hardware](https://bloomscroll.example/c/hardware/): 29 videos. Lithography, transistors, memory and the factories and engineers behind them. - [Programming](https://bloomscroll.example/c/programming/): 49 videos. The conference talks working developers keep sending each other. - [AI](https://bloomscroll.example/c/ai/): 49 videos. Neural networks, transformers and language models, from first lecture to research talk. - [Security](https://bloomscroll.example/c/security/): 50 videos. DEF CON talks, cryptography and the history of the people who broke things. - [Economics](https://bloomscroll.example/c/economics/): 18 videos. Money creation, debt cycles, financial crises and the research behind economic arguments. - [Game theory](https://bloomscroll.example/c/game-theory/): 25 videos. Prisoner’s dilemmas, the evolution of cooperation, voting systems and the incentives of power. - [Evolution and life](https://bloomscroll.example/c/evolution/): 50 videos. Natural selection from first principles, the evidence for it and the documentaries that trace life’s history. - [Mind and behaviour](https://bloomscroll.example/c/mind/): 8 videos. Behavioural biology, depression, cognitive biases and the puzzle of consciousness. - [Philosophy](https://bloomscroll.example/c/philosophy/): 9 videos. Justice, morality, death and the history of philosophy, lecture by lecture. - [Chaos and complexity](https://bloomscroll.example/c/chaos/): 5 videos. Butterfly effects, the logistic map and pendulums that never repeat. - [History and society](https://bloomscroll.example/c/history/): 14 videos. Agriculture, empires, wars, revolutions and how we know how people once spoke. - [Curiosities](https://bloomscroll.example/c/curiosities/): 5 videos. Odd, memorable explanations of how everyday systems really work. - [Space](https://bloomscroll.example/c/space/): 35 videos. The Big Bang, black holes, the scale of the cosmos and how Apollo reached the Moon. - [Medicine](https://bloomscroll.example/c/medicine/): 8 videos. The immune system, antibiotic resistance, ageing and what anaesthesia really does. - [Energy and climate](https://bloomscroll.example/c/energy/): 10 videos. Power grids, lithium-ion batteries, nuclear fission and fusion, and climate sensitivity. - [Materials](https://bloomscroll.example/c/materials/): 5 videos. Why metals stretch, how steel is hardened and what makes concrete strong. - [Language](https://bloomscroll.example/c/language/): 5 videos. How Shakespeare sounded, why place names defy spelling and how dead languages are reconstructed. - [Music and sound](https://bloomscroll.example/c/music/): 18 videos. Tuning, temperament, overtones and the mathematics hiding in scales and rhythm. - [Cities](https://bloomscroll.example/c/cities/): 7 videos. Street design, road safety, transit and the engineering of big systems. - [Stories](https://bloomscroll.example/c/stories/): 30 videos. Documentaries about the companies, projects and people that shaped computing. - [Careers](https://bloomscroll.example/c/careers/): 8 videos. Talks on trust, candour and speaking so that people listen. ## Learning paths - [How a computer works](https://bloomscroll.example/paths/how-a-computer-works/): How do switches become programs, pictures and operating systems? (10 videos in order) - [What computation is](https://bloomscroll.example/paths/what-computation-is/): What is a computation, and what can no computer ever decide? (3 videos in order) - [Information, error and trust](https://bloomscroll.example/paths/information-error-and-trust/): How do we measure information, correct it when it breaks and trust it without a referee? (7 videos in order) - [The mathematics of change and signals](https://bloomscroll.example/paths/mathematics-of-change-and-signals/): How do transformations, rotation and frequency explain systems that change? (13 videos in order) - [From probability to modern AI](https://bloomscroll.example/paths/from-probability-to-modern-ai/): How do counting and uncertainty become neural networks, transformers and diffusion models? (11 videos in order) - [The physics under electronics](https://bloomscroll.example/paths/physics-under-electronics/): What is electricity really doing, and where does quantum mechanics come in? (6 videos in order) - [Markets, money and crises](https://bloomscroll.example/paths/markets-money-and-crises/): How do incentives, credit and banks work, and how does it all go wrong? (10 videos in order) - [Strategy, cooperation and collective choice](https://bloomscroll.example/paths/strategy-cooperation-and-collective-choice/): When does self-interest produce cooperation, and why is fair group decision-making so hard? (11 videos in order) - [Evolution from first principles](https://bloomscroll.example/paths/evolution-from-first-principles/): How do copying, variation and selection produce the diversity of life? (11 videos in order) - [Chaos from simple rules](https://bloomscroll.example/paths/chaos-from-simple-rules/): How can simple deterministic systems become unpredictable? (4 videos in order) - [The universe from first principles](https://bloomscroll.example/paths/the-universe-from-first-principles/): How do we know how the universe began, how it is shaped and what black holes are? (9 videos in order) - [How we went to the Moon](https://bloomscroll.example/paths/how-we-went-to-the-moon/): What engineering, computing and operations did it take to land on the Moon? (5 videos in order) - [Why music works](https://bloomscroll.example/paths/why-music-works/): What physics and mathematics sit underneath notes, scales and tuning? (8 videos in order) - [Grids, batteries and fusion](https://bloomscroll.example/paths/grids-batteries-and-fusion/): How is electricity delivered and stored, and what would fusion change? (7 videos in order) ## Curated lists - [Essential 50](https://bloomscroll.example/essential/): videos with study notes, prerequisites and check questions - [Start here](https://bloomscroll.example/start/): videos that build an idea up from basic definitions - [Topics](https://bloomscroll.example/topics/): 68 subjects across shelves - [About](https://bloomscroll.example/about/): how the list was made and what was checked ## Optional - [Every entry, one line each](https://bloomscroll.example/llms-full.txt) - [Full data as JSON](https://bloomscroll.example/videos.json)