Brainfeed Summaries — AI-Powered Video Summaries — Page 90
Browse AI-powered summaries of educational YouTube videos on science, technology, productivity, and more.
10,682 summaries
Iconic Insights: A Journey into Visual Connections using the Idea Mixer
A personal Obsidian workflow built around reusable icons led to a surprising intellectual thread: the same visual symbol used across multiple “book...
6x Life-Changing Healthy Habits in 2025 - How to Get More Done, Build Motivation + Consistency
The fastest route to more energy, steadier productivity, and lower anxiety in 2025 starts with building morning routines and pairing them with...
Abstract Linear Algebra 7 | Change of Basis
Change of basis is the mechanism for translating the same vector in a finite-dimensional vector space between two different coordinate systems. Since...
What is Organizational Transformation?
Organizational transformation is the strategy-and-change work required to move a company from a current state to a future state—often by reshaping...
Fundamental Theorem of Calculus | Expansion of the Theorem
The fundamental theorem of calculus can be extended far beyond continuously differentiable functions—but only up to a precise boundary. For functions...
How to Sketch Your Mind in Obsidian and more, with Zsolt Viczián
Sketching in Obsidian—especially through Excalidraw-style visuals—works best when it’s treated as a thinking system, not a one-off decoration. Zsolt...
What is Missing in the Introduction of my Research Paper/Thesis - With Examples
A strong research introduction can’t stop at citing prior studies and repeating their “recommendations.” It has to build a clear case for why the...
Lecture 12: Research Directions (Full Stack Deep Learning - Spring 2021)
Deep learning research is shifting from “interesting ideas” to “rapidly deployable tools,” and the lecture’s through-line is that the fastest...
15 Notion Core Concepts! | Blocks, Pages, Databases & More
Notion’s core building blocks—workspaces, pages, blocks, and databases—fit together into a simple hierarchy: everything lives in a Workspace, that...
I'll Finish it This Week and Other Lies - Why PhD students lack productivity in time management
Weekly goal setting in academia often fails in predictable ways: researchers systematically underestimate how long tasks will take, complete only...
You Should Be Teaching AI
AI education is positioned as the fastest path for early adopters to turn hands-on prompting experience into real-world impact: people who have...
How to Win Friends and Influence People - Summary (ANIMATED)
“How to Win Friends and Influence People” boils down to one practical insight: people change more reliably when their pride is protected and their...
AI Coding Tool Comparison: The TLDR on Replit, Cursor, Pythagora, and Bolt
Four AI coding tools—Replit, Cursor, Pythagora, and Bolt—are competing for “best ever” status, but they target sharply different user personas and...
Santiago Genoves Raft Experiment, or how Not to do research || Crazy Science #1
A 1973 “peace project” by anthropologist Santiago Genov—unofficially dubbed a “sex raft”—was designed to manufacture the exact conditions thought to...
The Zettelkasten method for digital notes
Zettelkasten’s core promise is simple: turn scattered notes into a connected network of ideas so new insights emerge from the links. Originally built...
Lecture 9: Ethics (Full Stack Deep Learning - Spring 2021)
Ethics in machine learning isn’t about “feeling” that something is right or simply following the law. It’s about making defensible choices under...
Speak English confidently during interviews! EASIEST TRICK! 🔥
Confident interview English comes down to treating communication as a full system—reading, listening, writing, and speaking—then practicing those...
A bit of MFA life | thesis writing, classes, and snowstorm days ❄️ WRITING VLOG
MFA life gets derailed by a snowstorm—but the week’s real throughline is how one writer keeps thesis momentum using tight word-count systems,...
OpenAI's Product Strategy is Competitor-First, not Customer-First
OpenAI’s multimodal rollout cadence is being criticized as “competitor-first” rather than “customer-first,” with the claim that it releases major...
Dr Atta Ur Rahman | The Nations MOST Decorated Scientist Life's INSIGHTS
Dr. Atta Ur Rahman’s career arc links world-class research credibility to institution-building and national technology policy—arguing that scientific...
Synthesis Without Meta-analysis (SWiM) reporting guideline
Synthesis Without Meta-analysis (SWiM) reporting guidance targets a common problem in evidence reviews: many systematic reviews of quantitative...
How I use Notion to start my day
A daily “Day Start” Notion page turns morning planning into a repeatable routine by combining checkbox habit cues with spaced-repetition flashcards...
Discover The Success Course That's About to Change Everything
A seven-day “manifestation” story is used to sell a proprietary course on turning desires into money, with a central claim that most public...
Research Paper Writing - How to Analyze Research Papers using Literature Critique
Literature analysis often collapses under the weight of scattered, cryptic notes—especially when researchers return to papers weeks later and can’t...
Generate 42+ Viral Content Ideas In Seconds With Kortex AI
A set of three Cortex AI prompts turns personal experience and audience research into large batches of ready-to-write content ideas—often hundreds of...
Probability Theory 14 | Expectation and Change-of-Variables [dark version]
Expectation turns a random variable into a single number: the average value it fluctuates around. For a random variable X, the expectation E[X] is...
How to automate inbound phone calls | Voice AI Agent · n8n · Twilio · Ultravox
A practical voice-AI pipeline now links inbound phone calls to an Ultravox conversational agent, with n8n acting as the glue and Twilio handling the...
New Tana Feature: Calendar View!
Tana’s new calendar view becomes the centerpiece of a full content system built from scratch: ideas get tagged as “content kernels,” individual...
How to take better meeting notes
Better meeting notes come from building a linked system: log each meeting to a specific day, attach it to the right people or clients, and preserve...
The Clothesline Method Part 1: Detailed automation case study with Obsidian-Excalidraw
A workflow for building “clothesline” cards in Excalidraw/Obsidian gets a major speed boost by turning a slow, manual linking process into an...
Simplify and Organize Your Tags in Mem.ai:
Tagging in Mem becomes useful only when it’s organized around a small set of repeatable “contexts,” not an ever-growing list of topics. The core...
Confused by o4 vs. o3? My Trick to Remember Each of the 16 Major AI Models
Naming differences between AI models—like why “o4” might be considered different from “o3”—often fail because people try to map meaning onto...
How to use Elicit for Literature Review and to Generate Research ideas and Objectives || Hindi
Elicit is positioned as a fast, structured workflow for literature reviews—turning a search into summaries, extracted fields (findings, limitations,...
Reflect AI – Use GPT-4 and custom prompts in your notes
Reflect Notes has added GPT-4 to its workflow and, crucially, lets users edit the built-in prompts instead of treating them as fixed templates. The...
Five Note-taking Systems and How to Pick the Right One
Note-taking systems don’t fail because people lack motivation—they fail because the structure is wrong for how someone actually works. The central...
How to Search the Journal for Research Publication?
Choosing the right journal for a published research paper can be done quickly by combining journal-suggestion tools with checks against trusted...
Storm (Stanford) full-length AI report generator. ChatGPT / Perplexity Competitor?
Storm, a Stanford-developed LLM system, turns a short prompt into a Wikipedia-style, long-form article by searching the web, synthesizing sources,...
How to develop an Interview Guide with ChatGPT (3 strategies)
Qualitative interview guides can be upgraded quickly by using ChatGPT in two targeted ways: generating large pools of candidate questions and...
#7 Visualizing Branching Off in your Archive • Zettelkasten Live
The core insight is that knowledge archives need more than tags and links—they need explicit “structure nodes” that separate reasoning from...
Using Logseq to research and plan for a video
Logseq is used as a two-layer system that turns scattered research into repeatable YouTube output: a long-lived “topic” page for...
How to mind dump (stress reduction technique)
A quick “mind dump” can cut through stress by emptying a cluttered head and turning scattered thoughts into a usable to-do list. The core idea is...
Tana Meeting Notes Tutorial - How Tana Enables Better Meeting Notes
Tana is positioned as a meeting-notes system that goes beyond simple note capture by turning meetings into structured, searchable data—then wiring...
Nomenclature II Aromatic Hydrocarbons II lec # 08 II Dr. Rizwana
Aromatic hydrocarbons get far more complicated in nomenclature once more than one substituent shows up on the benzene ring—and the lecture lays out...
EASY Roam to Tana Migration
Migrating a Roam Research graph into Tana is presented as a fast, low-friction process—provided the export/import settings preserve link structure....
Solutions ll Lec # 1 || Viscosity and its Applications || Dr Rizwana
Viscosity is defined as a liquid’s internal resistance to flow, arising from friction between neighboring layers as they slide past one another. In...
How to Market Notion Templates
Marketing Notion templates effectively starts with treating promotion like a funnel: awareness first, then engagement, and finally conversion. The...
Essentialism - ANIMATED Book Summary - Greg McKeown
Success hinges less on working harder and more on choosing the right work—then protecting that focus with clear priorities, frequent “no” decisions,...
My SIMPLE (super productive) step-by-step MONTHLY PLANNING ROUTINE ✨ - Plan the month with me
August planning centers on a reset-and-rebuild cycle: declutter the home, restore routines, then use a 12-week framework to tighten focus for the...
How I study the Bible
A structured, color-coded note system—paired with cross-translation reading and symbol tracking—turns Bible study from a vague exercise into a...
Linear Algebra 6 | Linear Subspaces [dark version]
Linear subspaces are the subsets of a vector space where vector arithmetic never “escapes” the set: scaling and adding vectors from the subset always...
Fourier Transform 2 | Trigonometric Polynomials [dark version]
Fourier series set up approximations of periodic functions by building them from sine and cosine waves, and the key move is to standardize everything...
How to use tags in your notes
Tags turn a scattered notes library into searchable lists—so clicking a single label can instantly surface every related item, whether that’s books...
Unbelievable AI Tools For Research ( I wish I had used them during my PhD)
AI tools aimed at research productivity are presented as a practical end-to-end stack: organize projects, find and summarize literature, draft and...
Fourier Transform 6 | Fourier Series in L²
Fourier series in the square-integrable setting are built by projecting a function onto a finite-dimensional space spanned by orthonormal...
How I Got the NDSEG PhD Fellowship (Application Tips + Walkthrough)
Selection for the National Defense Science and Engineering Graduate Fellowship (NDSEG) comes with more than money: it provides research and...
Tutoriel Obsidian en français ajouter des graphiques avec excalidraw
Le plugin Excalidraw pour Obsidian (nommé dans la démo “excalibur drawing” / “ex-cat l’hydro”) permet de créer des schémas dessinés à la main...
Complex Analysis 7 | Cauchy-Riemann Equations Examples [dark version]
Cauchy–Riemann equations turn the question “Is a complex function holomorphic?” into checking two partial differential equations for its real and...
Complex Analysis 8 | Wirtinger Derivatives [dark version]
Wirtinger derivatives turn complex differentiation into two independent partial-derivative operators—one with respect to z and one with respect to...
Scopus Discontinued Sources (Journals) list | eSupport for Research | 2022 | Dr. Akash Bhoi
Scopus discontinued journals can still appear in search results, but they may no longer be covered—so researchers need a two-step verification...
How to save emails to your notes
Saving email content into Reflect can be done two different ways: a Chrome extension that turns any email into a “saved link” entry with minimal...
Automatically add backlinks to your notes (using AI)
Automatically turning spoken or typed notes into a web of backlinks is the core payoff: the workflow takes raw note text, identifies proper nouns...
Ne faites pas ça! le plugin Obsidian à éviter
Le plugin Obsidian “Readwise” (officiel) qui automatise l’import de vos passages soulignés depuis Kindle et d’autres liseuses peut sembler un...
How to write your study abroad SOP - LIVE! Learn to write a Statement of Purpose LIVE
Study abroad applications hinge on a well-crafted Statement of Purpose (SOP), and timing matters: for fall 2024 intake, work on the SOP now because...
Important Settings for Google Scholar Profile/ID| eSupport for Research | 2022 | Dr. Akash Bhoi
Google Scholar profiles don’t always update automatically when researchers change institutions or when specific records—especially patents—aren’t...
How to Make Change Easier: Switch by Chip and Dan Heath
Change sticks only when both parts of the mind get what they need: the rational “rider” for direction and the emotional “elephant” for motivation....
Roam42 Smartblocks and Notion: Ancestry Research Tour
Ancestry research can become far more manageable when raw records from Ancestry.com are funneled into a structured system that both tracks...
What is Plagiarism? || Different Types || Plagiarism Consequences & How to Avoid || Hindi || 2024
Plagiarism is framed as more than copying text: it’s any misuse of someone else’s ideas, concepts, data, or wording in a way that makes the material...
Your Agent Produces at 100x. Your Org Reviews at 3x. That's the Problem.
Open-source agent frameworks like OpenClaw can deliver dramatic productivity gains—but the real failure mode isn’t that the agent can’t act. It’s...
How to Publish in Top Scopus-Indexed Journals: 6 Steps to Craft a Coherent Research Story
Top Scopus-indexed journals reward papers that read like a single, connected argument—not a collection of disconnected sections. In academic writing,...
Python FastAPI Tutorial (Part 15): PostgreSQL and Alembic - Database Migrations for Production
The tutorial’s core shift is replacing SQLite plus “create tables on startup” with PostgreSQL plus Alembic-style migrations (via SQLAlchemy’s...
Obsidian - Optimize your Vault and Publish Site
Obsidian vaults used for tabletop RPGs can balloon in size—especially when many notes rely on large PNG images—and that bloat can slow down...
How to Use the Zettelkasten to Take Smart Notes in Mem
Zettelkasten-style note-taking in Mem turns saved highlights into reusable knowledge by forcing a rewrite step that converts raw references into...
Large Scale Reward Modeling | Jonathan Ward | OpenAI Scholars Demo Day 2021
Large-scale reward modeling can be trained from cheap, naturally occurring preference signals on the internet—without the costly, researcher-guided...
Distributions 13 | Convolution
Convolution, first defined for ordinary integrable functions, can be extended to distributions by shifting the definition onto test functions and...
09. SPSS Classroom - Conceptualizing, Analyzing, Reporting Independent Samples T Test
Independent-samples t tests are built for one job: comparing the means of two separate groups when the population mean is unknown and can’t be...
Here's what a founder's notes look like
A founder’s daily notes system is built to turn an anxious, open-ended day into a structured sequence of priorities—using a mix of daily goals,...
The 5AM Club by Robin Sharma | Detailed Book Summary
Robin Sharma’s The 5 a.m. Club centers on a blunt claim: many people don’t fail because they lack talent or opportunity—they get trapped in...
Obsidian Démo prise de note réelle (video republiée en août 2021)
La méthode au cœur de cette démo consiste à prendre des notes “à la volée” pendant une formation (vidéo, podcast, livre), puis à les retravailler...
How To Use Obsidian: Markdown For Your Personal Knowledge Vault. | How This Program Changed My Life
Obsidian is presented as a personal “external brain” built on plain Markdown files stored locally on a user’s computer—so notes stay fast,...
Make with Notion 2025: The startup stack: AI-first founder playbooks (Karan Goel, Marty Kausas)
AI-first startups are scaling faster by treating their operating system as a single source of truth—collapsing “software sprawl” into one workspace...
SciSpace Vs Elicit: Free Literature Review Tools With Multiple Features and Unlimited Use
Free, unlimited AI-assisted literature review tools are positioned as a practical way to speed up research synthesis—especially by not only...
How to finish your PhD on time (8 things to consider)
Finishing a PhD on time comes down to disciplined execution: build a realistic plan, manage your time tightly, and then follow that schedule even...
State of Obsidian TTRPG plugins - Jeremy Valentine
Obsidian’s TTRPG ecosystem is shifting from “D&D-only convenience” toward reusable, system-agnostic tooling—largely driven by Jeremy Valentine’s...
25. SEMinR Lecture Series - Mediation Analysis with Multiple Mediators
A mediation model with two parallel mediators shows that Vision’s impact on organizational performance runs through both collaborative culture and...
QR decomposition (for square matrices) [dark version]
QR decomposition for square, invertible matrices breaks a matrix A into A = Q R, where Q has orthonormal (real) or orthonormal/unitary (complex)...
#ChatGPT for Research: How to use ChatGPT to Address Reviewer Comments?
Reviewer feedback often turns on a single problem: the manuscript’s arguments don’t yet match the context of the setting being studied. In this...
The 5 Essentials of a Scene, with Story Grid Certified Editors Anne Hawley and Rachelle Ramirez
A working scene isn’t defined by where characters are or how long the chapter feels—it’s defined by a specific chain of cause-and-effect. Scene craft...
The Easiest Way to Integrate Tasks and Events (ft. Todoist & Fantastical)
Keeping a productive day straight often comes down to one practical question: what’s already scheduled, and what still needs doing? The workflow here...
Measure Theory 11 | Proof of Lebesgue's Dominated Convergence Theorem [dark version]
Lebesgue’s Dominated Convergence Theorem hinges on a single mechanism: a pointwise limit can be moved inside an integral when every function in the...
Cleaning Data Entry Errors in MS Excel
Excel can be used to audit questionnaire data for data-entry errors and respondent misconduct by systematically checking each variable’s minimum,...
Make with Notion 2024: Shaping our work with AI (Dan Shipper, Sarah Guo, Daniela Amodei)
AI is reshaping creativity less by replacing human imagination and more by removing the “overhead” that drains attention—while also expanding who...
State of GPT
Large language models are built through a pipeline that starts with internet-scale next-token pre-training and then progressively adds human...
The Intelligence Trap: Why Thinking is a Design Problem
Personal knowledge management (PKM) is booming, but the biggest trap for high-IQ, high-skill people isn’t a lack of intelligence—it’s how fast,...
Q2 Goal Setting and April 2022 Monthly Reset - 12 Week Year - PhD, Brand, Personal, Business Goals
The quarter-two reset centers on one practical idea: use a 12-week cycle to turn long-term direction into tightly scheduled, trackable goals—then do...
12 Week Year Reset - 🍁 Plan the Quarter with Me ❄️ - Free Download
The core message is that missing yearly goals usually isn’t a motivation problem—it’s a system problem. A “12 Week Year” reset for the final quarter...
How to turn a voice recording into a to-do list
Turning a messy burst of thoughts into a structured to-do list is as simple as recording a voice memo and letting AI transcription and note...
How to Use Track Changes in Microsoft Word
Track Changes in Microsoft Word is designed to make proofreading exchanges unambiguous by recording every insertion, deletion, and formatting...
Research title - how to develop it?
A strong research title should do two jobs at once: accurately reflect what the study actually measured or examined, and include the right keywords...
MPT Q1 (No Calculator) - Ontario Mathematics Proficiency Test
The core takeaway is that dividing 17.86 by 0.19 (a no-calculator Ontario Mathematics Proficiency Test question) can be solved cleanly by converting...
Labeling (3) - Data Management - Full Stack Deep Learning
Data labeling hinges less on the annotation software’s feature list and more on the human decisions inside the labeling workflow—especially when...