Brainfeed Summaries — AI-Powered Video Summaries — Page 75
Browse AI-powered summaries of educational YouTube videos on science, technology, productivity, and more.
10,682 summaries
#SmartPLS4 Series 10 - How to Solve Discriminant Validity Problems?
Discriminant validity problems in SmartPLS are often fixable through a structured cleanup-and-revision workflow: tighten the measurement model before...
How To Use Notion's API: No-Code Starter Edition
Notion’s API is now being used as a central “notifications” hub that automatically collects updates from external services—without writing code—by...
LESSON 13 - EXPERIMENTAL DESIGNS: TRUE EXPERIMENTAL AND QUASI EXPERIMENTAL DESIGNS
Experimental design is the quantitative research approach used to establish cause-and-effect: when researchers manipulate an independent variable...
How to build your DREAM SaaS business in 2026
Building a SaaS business in 2026 isn’t just about squeezing more revenue out of every week—it’s about protecting the one metric that keeps founders...
Build a Client Portal & Pipeline System in Notion (FULL Tutorial)
A single Notion setup can manage both a client pipeline and a shareable client portal—using one core database for tracking status and a reusable...
VEO 3 AI: Testing YOUR Prompts Live!
Google’s VEO 3 is capable of turning highly specific, meme-heavy prompts into short, mostly coherent text-to-video generations with audio that often...
It's Intelligence Saturation That Really Matters
AI “intelligence saturation” is arriving first at the task level, not the job level—and that shift is likely to reshape competition far sooner than...
PostDocs Unplugged: The Truth Revealed
Postdocs face a harsh reality: most early-career researchers end up on “someone else’s money,” where supervisors control timelines and deliverables,...
Qualitative data analysis - Developing THEMES from CODES | "From Codes to Themes" episode 3
Theme development starts with a practical decision: keep coding detailed enough to notice when “good” and “bad” experiences actually reflect...
May 20: What Really Mattered at Google I/O—and Why
Google I/O’s most durable message is that Gemini is being pushed as a new “interface layer” for everyday computing—everywhere from search and Gmail...
20. SPSS AMOS | Assessing Normal Distribution of Data
Normality checks in AMOS matter because structural equation modeling (SEM) typically relies on maximum likelihood estimation (MLE), which performs...
Deconstructing Visual Ideas with Obsidian Excalidraw using Excalidraw Scripts
A new Excalidraw script, “decompose selected elements into new drawing,” automates a core workflow in visual knowledge management: breaking a page...
How To Use Obsidian: Footnotes (plus 2 essential plug-ins)
Footnotes in Obsidian can work smoothly without constant mouse-and-keyboard switching—if they’re set up with the right shortcuts and a cleanup tool....
Boost Your AI Predictions: Maximize Speed with vLLM Library for Large Language Model Inference
vLLM is positioned as a practical way to speed up large language model inference by boosting throughput—often by several multiples—without changing...
Surfing the Urge: How to Manage Distractions with the 10-Minute Rule | Nir Eyal, Indistractable
The “10-minute rule” reframes distraction management as a short, intentional delay rather than a battle of willpower. When an urge pulls someone off...
TUTO OBSIDIAN dévore Notion avec le plugin DB folder
Obsidian can mimic Notion-style database tables using the DB Folder plugin—turning a folder of notes into a structured, filterable “database” driven...
My first steps implementing Zettalkasten using Obsidian.md, Data View, Excalidraw and ExcaliBrain
Zettelkasten in Obsidian is taking shape around a simple rule: permanent notes become the “cards,” while Excalidraw diagrams act as linked,...
How to take effective disciplinary minutes
Effective disciplinary minutes are the backbone of a fair, defensible disciplinary process. High-quality notes create a clear, accurate record of...
Jordan Normal Form 1 | Overview [dark version]
Jordan normal form is the universal replacement for diagonalization: every square matrix with complex entries can be converted—via a similarity...
14. SPSS AMOS | Factor Loadings in Structural Equation Modelling (SEM)
Low factor loadings in structural equation modeling (SEM) can threaten convergent and discriminant validity—but dropping indicators isn’t automatic....
Obsidian Basics: Daily Notes
Daily Notes in Obsidian is positioned as the fastest on-ramp to building a structured personal knowledge base—because it automatically generates...
How to create a shopping list & price tracker in Notion? | Beginner Tutorial + free template
A Notion setup for holiday and big-ticket shopping pairs a product catalog with a linked price tracker, letting shoppers compare prices across stores...
LESSON 68 - RESEARCH METHODOLOGY: SECTION 3.8: DATA ANALYSIS TECHNIQUES || QUALITATIVE DATA
Qualitative data analysis in a research proposal isn’t something to postpone until the end of fieldwork—it runs alongside data collection to keep...
Logseq Office Hours #2: Building processes with queries
Logseq queries are essentially saved searches that let users “slice and dice” their notes by combining block structure (indentation), links, date...
Use THIS Today to Make Your Local LLM Smarter + Claude 3 Opus Tips
A practical “local LLM smarter” workflow hinges on one decision: only run Python when a question truly needs computation, then feed the code’s output...
We can't communicate how AI works to regular humans and it's a big problem
AI’s biggest usability problem isn’t just model quality—it’s the lack of a shared, human-friendly way to understand how large language models...
Context Window Management in Claude Code | CampusX
Claude Code’s context window is small enough to become the bottleneck for real development work—and managing it well is the difference between steady...
Manifolds 21 | Tangent Space (Definition via tangent curves)
Tangent spaces for abstract manifolds can be defined without any ambient Euclidean space by using derivatives of curves—then identifying curves that...
Notion Office Hours: Build With Me - Relational Databases 🗃
Relational databases in Notion aren’t the main productivity breakthrough here—turning creative work into visible, scheduled “projects” is. The...
Visual Personal Knowledge Management with Zsolt Viczián
Personal knowledge management is shifting from “frictionless capture” to deliberate thinking—using Excalidraw and ExcaliBrain to make notes...
8 NEW unbelievable ways to use AI to publish Q1 papers (ETHICALLY)
AI-assisted publishing for Q1 journals can be made far more effective—and more ethical—by treating large language models like discipline-aware...
12 Week Year Template PDF + Book Summary
The core promise behind the “12 Week Year” framework is simple: goals fail less because people lack effort and more because they plan on a timeline...
A first look at Obsidian Shared Vaults (v0.14.10 insiders beta)
Obsidian’s new multiplayer synchronization in insiders beta turns personal sync into a shared vault: an owner creates a password-protected vault,...
Thematic analysis with ChatGPT - 3 ways to create and/or organize your themes in ChatGPT
ChatGPT can speed up thematic analysis in three practical ways—first by drafting themes from a code list, second by sorting codes into already-chosen...
Stop Forgetting Everything: My System To Learn Fast
Learning and memory don’t fail because people lack effort—they fail because information is shed fast without a retention system. The core claim is...
10 Transferable Skills Every PhD Student Learns | PhD Soft Skills
A PhD builds far more than research output: it trains a portfolio of transferable “soft skills” that translate directly into academic and...
When to use Notion’s new group feature (game changer!)
Notion’s latest update adds two major upgrades: a refreshed, more vibrant color palette and a new grouping feature that fundamentally changes how...
Mircea Eliade's The Sacred and the Profane: Key Concepts
Mircea Eliade’s core claim is that “the sacred” keeps breaking into everyday life—so thoroughly that even people who call their world fully secular...
OpenAI DevDay 2024 | OpenAI Research
OpenAI’s o1 family is positioned as a reasoning-first shift: the models are trained to “think with reinforcement learning,” iteratively refine...
This is AI Super Week: Here's Why
AI’s biggest players are stacking five major announcements in a single week—OpenAI’s codec push, Microsoft Build’s agent and platform updates, Google...
Advice for Creative Writing Students
Creative writing degrees reward students most when assignments are treated like passion projects, not chores—because workshop-heavy coursework leaves...
Excalidraw-Obsidian Feature Walkthrough - Customizing Embeddable Elements
The biggest upgrade is a new way to scale Excalidraw embeddable elements—especially YouTube-style video embeds and Markdown embeds—so they stay...
FREE AI In Text Citation Generator and References Management Tools | AI Tools For Cite Generation
Citation work isn’t just about formatting—it’s about correctly identifying the source behind specific claims, then inserting the right bibliographic...
Quick Guide - Part 3 - How to Improve Model Fit in AMOS Using Standardized Residual Covariances?
Standardized residual covariances in AMOS act like a diagnostic gap-check: they measure how far the model’s implied covariances deviate from the...
I Joined an AI Hosted Podcast with Google Veo 3
AI hosted podcasting and agent-style tooling are moving from novelty to practical workflow—driven by model choices like long-context Gemini and...
Distribution beats AI, even if AI gets MUCH better
Distribution is becoming the decisive advantage in software and AI—while AI makes it cheaper and easier to build, it does not make it easier to reach...
How to fix "To Upload an Android App Bundle you must be enrolled in Play App Signing" on MacOS
A common Google Play Console blocker—“To Upload an Android App Bundle you must be enrolled in Play App Signing”—can stop updates even when the app...
Literature Made Easy - Generate summaries from Research Articles using Scholarcy.com
Scholarcy.com is presented as a fast workflow for turning research articles—uploaded as PDFs or provided via URLs—into structured summaries,...
Why you need a commonplace book and how to build one in Logseq
A commonplace book—an organized storehouse for ideas, quotes, observations, and useful snippets—is positioned as the antidote to information...
24. SPSS AMOS | Concept of Mediation Analysis (Part 1)
Mediation analysis in AMOS is built to answer a simple but powerful question: does the effect of an independent variable on an outcome happen only...
Lecture 06: Continual Learning (FSDL 2022)
Continual learning in production is less about “retraining whenever something feels off” and more about running a structured retraining strategy that...
3 Fundamental Laws of Chemistry
Three foundational chemistry laws—conservation of mass, definite proportions, and multiple proportions—set the rules for how matter behaves in...
Make with Notion 2024: Notion as a curiosity engine
A long-running Notion setup is being used less as a rigid productivity system and more as a “curiosity engine” that adapts to how one person’s mind...
What is Plagiarism in Research? Definition Types & Examples
Plagiarism in research is using someone else’s work without acknowledging the original author, and it’s treated as a form of academic theft with...
Codex 5.2 Launch Revealed: How OpenAI Got Non-Engineers Shipping Real Code
Codex is becoming an always-on layer of code review and “ambient intelligence” at OpenAI—so non-engineers can ship fixes and engineers get a safety...
AI Lab Report 2025: Ranking OpenAI, Google, Anthropic, Meta & xAI on Trust
AI trust is the bottleneck in scaling language models: buyers can’t verify what’s “inside” the system, and labs have incentives to market...
Validity in Qualitative research explained in under 8 minutes
Qualitative research can’t be “replicated” in the same way as experiments, so credibility—not repeatability—becomes the central yardstick....
Find Time for Everything with SIMPLE Systems
A never-ending to-do list usually isn’t a motivation problem—it’s a strategy and systems problem. After years of juggling every growth tactic...
Theoretical sampling & Purposeful sampling (5 minute definitions)
Purposeful sampling and theoretical sampling are closely linked, but they differ in timing: purposeful sampling selects participants up front to...
Iphone + GPT-4 Vision API = Autonomous Security Cam System
An iPhone-based security camera can be turned into an autonomous change-detection system by pairing it with the GPT-4 Vision API, automatically...
Google Made Lovable FREE This Week—Full Demo of 3 Apps + Prompting & Launch Tips
Lovable’s biggest leap for “vibe coding” is moving from pretty, brochure-style apps to end-to-end working products—complete with user management,...
REVISION LESSON 3 ON TYPES OF VARIABLES:INDEPENDENT, DEPENDENT, INTERVENING, EXTRANEOUS & MODERATING
A variable is any measurable characteristic that varies across objects—without variation, measurement, and observability, it doesn’t qualify as a...
LESSON 66- RESEARCH METHODOLOGY||SECTION 3.6 DATA COLLECTION INSTRUMENTS & 3.7 COLLECTION PROCEDURES
Data quality hinges on the tools and steps used to gather it: research proposal section 3.6 focuses on data collection instruments, while section 3.7...
Is this the ULTIMATE KNOWLEDGE tool? | Making sense of TANA
Tana’s biggest draw for knowledge management isn’t just another place to store notes—it’s a system that automatically reorganizes information through...
Build a Local AI App in 10 min with Docker (Zero Cloud Fees)
Local AI apps can be built without paying per-request inference fees by running large language models entirely on a developer’s own machine—using...
Zettelkasten Coaching Session in Obsidian
A Zettelkasten-style note in Obsidian gets transformed from a vague, hard-to-search title into a set of atomic, linkable ideas—so the note can be...
Scoping Review Steps - Heather Colquhoun
Scoping reviews are most useful when the research question is about mapping a field—what concepts exist, what evidence types are available, and where...
Lab 02: PyTorch Lightning and Convolutional NNs (FSDL 2022)
PyTorch Lightning is presented as the practical fix for the “sharp edges” of hand-rolling PyTorch training loops—especially when training needs to...
Can you ACTUALLY replace your team with AI? (Real talk)
A MIT-linked statistic—95% of AI initiatives fail to deliver measurable value—sets up a blunt takeaway: most companies are trying to replace human...
Researcher Reveals Her Secret to 7 Papers In Top Journals In a Year
Lizette Britz credits her rapid run of publications—three papers in the past year with four more under review and four additional projects in...
The best journaling technique I've discovered so far.
Morning pages—three pages of uncensored writing every morning—are presented as a simple, repeatable journaling practice that clears mental clutter,...
16 Questions to Ask When Line Editing
Line editing, in this approach, is less about catching grammar mistakes and more about tightening the prose’s style: removing stale phrasing,...
How to Create Scopus Author ID? || Scopus Profile || Resolving Scopus ID issues || Hindi || 2024
Scopus Author ID creation and profile setup hinge on one practical requirement: the author must have a Scopus account linked to the same email used...
How to increase your focus - Simple hacks from a PhD
Staying focused starts with treating attention like a limited resource that must be cleared, supported, and protected—not something you can “force”...
First Block: Interview with Mathilde Collin, Co-Founder & CEO of Front
Front’s co-founder and CEO Mathilde Collin traces the company’s rise to a simple, repeatable idea: build a “front office” for communication that...
Voice Assistant in MIT App Inventor powered by ChatGPT | ChatGPT MIT App Inventor | #openAI #chatgpt
A practical way to build an Alexa/Siri-style voice chatbot in MIT App Inventor is to replace hard-coded if/else replies with live calls to OpenAI’s...
Logseq talks about the DB version
Jensen’s announcement on Logseq’s database version reframes the roadmap around one central tradeoff: keep a readable, text-based workflow while...
Linear Algebra 11 | Matrices
Matrices enter linear algebra as the tool for solving systems of linear equations—problems that can involve many equations at once. A matrix is...
Linear Algebra 14 | Column Picture of the Matrix-Vector Product
A matrix can be understood as a “machine” that outputs a vector built from its own columns: multiplying a matrix A by a vector x produces a result Ax...
What Do Hindu Texts Teach About Success? | The Kevin Trudeau Show | Ep. 61
Success, in this episode, is framed less as a set of tactics and more as a filter: the two decisive factors are who a person listens to and whether...
Tana's AI features are INSANE
Tana Labs adds two AI-native building blocks—AI Fields and AI Commands—that let ChatGPT-style workflows run directly inside a workspace, using the...
Stuck in the Chatbox? Here's When You Actually Need the API
The core message: chatbot access is a deliberately limited “demo,” while the API unlocks more control, better cost transparency, and workflow-level...
Irreplaceable Research Skills in an AI Era
AI tools are increasingly taking over the “good enough” parts of academic work—especially manual literature review and other time-consuming tasks—yet...
Outdated PhD advice | Bad advice that needs to stop!
Academic career advice has lagged behind how universities hire and fund researchers, and that mismatch is costing PhD students time. With expertise...
Write the Docs Prague 2017: What nobody tells you about documentation by Daniele Procida
Documentation isn’t a single thing—it’s four distinct kinds of material that serve different jobs in a user’s journey. When teams mix those jobs...
Make With Notion 2024: How to launch a Notion template business (Thomas Frank)
Paid Notion templates can become a real, scalable business without coding expertise, subscriptions, or upsells—if the work is driven by tenacity,...
Omni Prompting with gpt-4o-mini | A Staple In The Future of AI Software?
GPT-4o mini’s steeply lower price is making “omni prompting” practical: sending text plus images (and soon voice) in a single workflow to build...
TONAL REALISM: types of logic in fiction & creating reality through tone
Tonal realism reframes “what makes a story believable” as a tone-driven problem: the emotional attitude of a narrative determines what kinds of logic...
Qualitative Coding for beginners - should you code 1 extract with more than 1 code?
Qualitative coding can legitimately assign multiple codes to a single extract (even a single sentence) when that passage contains more than one...
AI Avatar Models Are Getting INSANE Powerful - Testing Workflows
AI avatar models are rapidly improving to the point where full character swaps and voice-matched “product ad” videos can be generated from a short...
Master Mem.ai: The Comprehensive Guide to Boosting Your Productivity
Mem positions itself as a self-organizing workspace that turns note-taking into a fast capture-and-retrieve workflow—without building folders or...
LESSON 35 - MULTI-STAGE SAMPLING DESIGN: DEFINITION & STEPS OF CONDUCTING MULTI-STAGE SAMPLING
Multi-stage sampling is a probability sampling approach that selects respondents in a sequence of stages—each new sample is drawn from within the...
Linear Algebra 46 | Leibniz Formula for Determinants
A determinant can be built from a single geometric object: the n-dimensional volume form, which is linear in each input vector, flips sign when two...
5 Simple Steps To Write An Exceptional Literature Review Fast (Advanced Tutorial With Examples)
An exceptional literature review can be built quickly by turning research aims into a clear set of themes, then organizing each section around a...
Love-hate relationship with OKRs by Mathilde Collin, Co-Founder & CEO of Front, on First Block
OKRs create a built-in tension for early-stage teams: they demand constant score-tracking, but that can drown out the learning that makes goals...
I Analyzed 170 Million AI Jobs with ChatGPT—Grab Insights for 17 AI Careers + a Prompt Demo
AI job seekers are being told to “learn AI” in ways that are too vague to help—while the labor market is simultaneously creating new roles and wiping...
5 Powerful Laws of Research Success That Will Change Your Life
Research success, according to these “laws,” depends less on controlling outcomes and more on managing attention, effort, and momentum when results...
Multivariable Calculus 7 | Chain, Sum and Factor rule
Multivariable calculus keeps the same “algebra of derivatives” from one-variable calculus: total differentiation behaves linearly. If two totally...
Cosmographer 3+ - How to Map a Space Ship
Cosmographer 3+ for Campaign Cartographer 3+ lets tabletop GMs generate a usable sci-fi spaceship deck plan quickly—starting from a blank starfield...
Make all your images searchable in Obsidian by adding rich metadata with Excalidraw markdown
Adding rich, searchable metadata to images inside Obsidian—by embedding the image in an Excalidraw drawing and storing tags, author, source, and an...