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Video directory / 12
3,553 videos with summaries and linked Hacker News recommendations, arranged by title.

Climate Change Debate: Last Week Tonight with John Oliver (HBO)
LastWeekTonight · 3 HN recommenders
A short Last Week Tonight segment where John Oliver stages a statistically representative climate debate, with Bill Nye facing a crowd of dissenters. It satirizes false balance in media coverage.

Climbing SOLO with Alex Honnold **INSANE EXPERIENCE**
Magnus Midtbø · 3 HN recommenders
Norwegian climber Magnus Midtbo spends a day climbing with Alex Honnold on exposed routes, shot as a vlog. The video shows the stark contrast between Midtbo's visible nerves and Honnold's calm.

Climbing the Rating Ladder: Up to 1000
John Bartholomew · 4 HN recommenders
Chess player John Bartholomew plays opponents rated below 1000 on Chess.com and comments on optimal strategy and typical mistakes at that level. It is part of his Climbing the Rating Ladder series.

Clockmaking - How To Make A Clock In The Home Machine Shop - Part 1 - Making The Clock Frames
Clickspring · 3 HN recommenders
The first episode of Clickspring's series building a John Wilding skeleton clock from raw stock in a home machine shop. It covers making the frames along with the tools needed for the job.

Clojure Concurrency - Rich Hickey
ClojureTV · 5 HN recommenders
Rich Hickey's long presentation on Clojure and concurrency covers locking and immutability, then goes in depth on refs, transactions and agents. It ends with a multithreaded ant colony simulation demo.

Clojure for Java Programmers Part 1 - Rich Hickey
ClojureTV · 2 HN recommenders
Rich Hickey introduces Clojure to the NYC Java Study Group in the first of a two-part talk. It covers reader syntax, core data structures, code-as-data, evaluation, special operators, functions, macros and sequences, assuming no Lisp background.

Clojure in a nutshell by James Trunk
Func Prog Sweden · 3 HN recommenders
James Trunk introduces Clojure syntax and thinking, covering its core data structures, immutability, the thread-last macro and live data analysis in the REPL.

clojure.core/typing - Matt Adereth
ClojureTV · 4 HN recommenders
Matt Adereth's Clojure/conj talk covers the history of keyboards and how he used Clojure generating OpenSCAD to design and build his custom Dactyl ergonomic keyboard, including 3D printing and laser-cut parts.

ClojureScript for Skeptics - Derek Slager
ClojureTV · 4 HN recommenders
Derek Slager's Clojure/conj talk argues that ClojureScript is a pragmatic choice for web development. He addresses common objections, recent improvements, tooling and use cases where it shines.

ClojureScript in the Age of TypeScript — David Nolen
ChariotSolutions · 3 HN recommenders
David Nolen explains how ClojureScript is used at Vouch.io to build mobile and web software with a single language and REPL-driven workflow. The talk includes a live coding demo of React Native development.

Clutching at Random Straws, Matt Parker | LMS Popular Lectures 2010
London Mathematical Society · 2 HN recommenders
Matt Parker's LMS popular lecture on how seemingly incredible results can be meaningless random patterns. He ranges from ancient Woolworths civilisations to shoelaces and DNA.

Co-dfns Live Stream: Compiler Design and Architecture
Aaron Hsu (arcfide) · 3 HN recommenders
A two-hour live stream in which Aaron Hsu explains the architecture, design history and aesthetic of Co-dfns, his parallel APL compiler. He walks through the code and the reasoning behind its dense style.

Code Bubbles: Rethinking the User Interface Paradigm of Integrated Development Environments
AndrewBragdon · 2 HN recommenders
A short demo of Code Bubbles, an IDE interface built around editable code fragments in bubbles instead of files. It was a research prototype for Java development.

code::dive conference 2014 - Scott Meyers: Cpu Caches and Why You Care
NOKIA Technology Center Wrocław · 3 HN recommenders
Scott Meyers explains how CPU caches work and why they matter for performance, covering cache levels, access speeds, associativity, and effects in multithreaded code. The focus is C++ and cache-aware, data-oriented programming.

Coding Adventure: Ant and Slime Simulations
Sebastian Lague · 6 HN recommenders
Sebastian Lague explores an ant-inspired algorithm and simulates ant and slime mold behavior, using compute shaders. Source code for both simulations is available.

Cody's Algae Panel
Cody'sLab · 2 HN recommenders
Cody's Lab builds a prototype algae growing panel as an experiment before making more. The channel also shows growing algae for consumption.

Collapse of Complex Societies by Dr. Joseph Tainter
vlada888 · 5 HN recommenders
Joseph Tainter lectures at a 2010 sustainability conference on why complex societies such as Rome collapse. His thesis is that rising complexity brings diminishing returns until societies cannot afford to maintain it.

COLLAPSE of Personal Computing | Investigation Into the Destruction of Ownership
Gamers Nexus · 2 HN recommenders
A roughly 3.5-hour Gamers Nexus investigation into rising PC component prices, driven largely by AI data-center demand for memory and other hardware. It draws on interviews with industry figures to argue that personal computing and ownership are being eroded.

College Lecture Series - Neil Postman - "The Surrender of Culture to Technology"
College of DuPage · 5 HN recommenders
Neil Postman's 1997 lecture at College of DuPage, based on his book, argues that Americans treat technology as a national religion and depend on it to solve larger human problems. It includes audience questions.

Colonel JD AI Codec Conversation MGS2 HD
Louie V · 3 HN recommenders
The final codec conversation from Metal Gear Solid 2, in which the AI 'Colonel' explains that the Patriots filter out junk information and curate truth for humanity. It plays as a dark meditation on information overload, manipulation and shared reality.

Colonizing Mars
Isaac Arthur · 4 HN recommenders
Isaac Arthur's in-depth look at what it would take to settle and eventually terraform Mars. He covers the challenges and the scale of the work needed to make it a home for humanity.

Colonizing Venus
Isaac Arthur · 2 HN recommenders
Isaac Arthur examines options for colonizing Venus, from vast floating habitats in the temperate upper atmosphere to full terraforming of the planet. It is a long-form speculative futurism episode in his solar system colonization series.

Colossus - The Greatest Secret in the History of Computing
The Centre for Computing History · 3 HN recommenders
Chris Shore of the Centre for Computing History explains how Colossus was built, how it worked, and how it affected the course of World War II. It is an hour-long museum lecture on the codebreaking computer.

Commodore 64—25th Anniversary Celebration
Computer History Museum · 2 HN recommenders
The Computer History Museum's 25th anniversary celebration of the Commodore 64, recorded in December 2007, with a panel including Jack Tramiel and Steve Wozniak. It recounts the machine's launch and history.

Competition is for Losers with Peter Thiel (How to Start a Startup 2014: 5)
Y Combinator · 5 HN recommenders
Peter Thiel's lecture from the How to Start a Startup course on business strategy and monopoly theory, arguing that competition destroys profits and that startups should aim to build monopolies. It covers the ideas of Zero to One.

Compiling C to printable x86, to make an executable research paper
suckerpinch · 8 HN recommenders
Tom7 explains how he built a SIGBOVIK 2017 paper made only of printable ASCII bytes that is also a valid DOS executable. He writes a C compiler targeting printable x86 without self-modifying code and solves the puzzles the constraint creates.

Complete Apple WWDC | Steve Jobs talk and answer developers questions | 1997
TheAppleFanBoy - Apple & Computer Archives · 4 HN recommenders
The full 1997 WWDC session in which Steve Jobs, newly back at Apple, takes developer questions for about an hour. He discusses OpenDoc, Microsoft, clones, Newton, advertising and Apple's strategy.

Complete Solution To The Twins Paradox
minutephysics · 2 HN recommenders
A minutephysics explainer on the twins paradox in special relativity. It shows why the traveling twin ends up younger and how acceleration resolves the paradox.

Compost-Fueled Cars: Wouldn't That Be Great? - Onion Talks - Ep. 1
The Onion · 4 HN recommenders
An Onion Talks satire in which a young media professional pitches compost-powered cars, offering the idea itself and leaving all implementation to others.

Computer Color is Broken
minutephysics · 4 HN recommenders
MinutePhysics explains that computers store brightness nonlinearly, so blurring and blending colors in raw RGB gives wrong, dark results. It shows why mixed colors, such as in gradients, look off.

Computer program that learns to play classic NES games
suckerpinch · 9 HN recommenders
Tom7 explains and demos software that learns to play NES games by finding score patterns in memory and then searching for inputs that raise it. It is the video companion to his SIGBOVIK paper.

Computer Science - A Guide for the Perplexed • Joe Armstrong • GOTO 2018
GOTO Conferences · 3 HN recommenders
Joe Armstrong's GOTO 2018 talk contrasts the problems computer scientists study with the problems users have. He revisits forgotten great ideas such as tuple spaces, flow-based programming, Xanadu and Unix pipes, with anecdotes.

Computer Science - Brian Kernighan on successful language design
University of Nottingham · 3 HN recommenders
Brian Kernighan gives a talk at the University of Nottingham on how to succeed in language design without really trying. He draws on his experience with awk and other languages.

Computer Scientist Explains One Concept in 5 Levels of Difficulty | WIRED
WIRED · 3 HN recommenders
WIRED has UCLA professor Amit Sahai explain zero-knowledge proofs to a child, a teen, a college student, a grad student and an expert. Each round goes deeper into the cryptography and why it matters.

Computers for Cynics 0 - The Myth of Technology
TheTedNelson · 3 HN recommenders
The opening episode of Ted Nelson's Computers for Cynics series, in which he casts doubt on conventional accounts of computer basics. He argues that conventions and packaging are mistaken for technology.

Conan O'Brien | Talks at Google
Talks at Google · 2 HN recommenders
Conan O'Brien and Andy Richter visit Google's Mountain View headquarters in 2010 for a comedic Q&A. Conan jokes with the interviewer and the Google audience.

Concurrency is not Parallelism by Rob Pike
gnbitcom · 4 HN recommenders
Rob Pike's Go talk distinguishing concurrency, the structuring of independent processes, from parallelism, their simultaneous execution. It uses Go channels and goroutines to illustrate.

Confessions of a Converted Lecturer: Eric Mazur
UMBCtube · 9 HN recommenders
Harvard physicist Eric Mazur explains how he realized his students were memorizing rather than understanding, and how he changed his teaching. He presents peer instruction and data showing improved student performance.

Conflict Resolution for Eventual Consistency • Martin Kleppmann • GOTO 2016
GOTO Conferences · 3 HN recommenders
Martin Kleppmann's GOTO Berlin 2016 talk on how collaborative editors, offline apps, and multi-datacenter databases handle concurrent updates. It covers conflict resolution approaches including operational transformation and CRDTs, with a worked look at text CRDTs.

Conlang Critic Episode Twelve: Toki Pona
jan Misali · 3 HN recommenders
An episode of jan Misali's Conlang Critic series reviewing Toki Pona, a minimalist constructed language with about a hundred words. It is a short, humorous critique of the language's design.

Connecting Solar to the Grid is Harder Than You Think
Practical Engineering · 4 HN recommenders
Practical Engineering explains why connecting solar and other inverter-based generation to the grid is hard. It covers grid stability, load balancing and the behind-the-scenes engineering challenges of renewables.

Connections between physics and deep learning
MITCBMM · 3 HN recommenders
Max Tegmark's MIT CBMM talk on why deep learning works so well. He argues that the laws of physics and the symmetries in physical data make it compressible into small neural networks, tying physics to network structure.

Conrad Wolfram: Teaching kids real math with computers
TED · 2 HN recommenders
Conrad Wolfram argues that the part of math taught in schools, hand calculation, is tedious and mostly irrelevant to real mathematics. He proposes teaching math through computer programming so students can tackle real problems.

Consciousness in Artificial Intelligence | John Searle | Talks at Google
Talks at Google · 2 HN recommenders
John Searle's Talk at Google on consciousness and artificial intelligence, hosted by Google's Singularity Network. He presents his philosophy of mind and Chinese room argument that computation is syntactic and cannot capture semantics.

Consciousness is Not a Computation (Roger Penrose) | AI Podcast Clips
Lex Fridman · 3 HN recommenders
Clip from Lex Fridman's podcast with Roger Penrose in which Penrose argues that consciousness is not a computation. He discusses Godel-style arguments and the possible role of quantum effects in microtubules.

Consistent Technical Documents Using Emacs and Org Mode
spudlyo · 2 HN recommenders
A demo of writing technical documents in Emacs Org mode using org-babel, so that code blocks and generated content stay consistent when things change. The author shares the demo files and his dotfiles.

Console Hacking 2016 (33c3)
media.ccc.de · 4 HN recommenders
A 33c3 talk by marcan on reverse engineering the PS4 hardware to run Linux with 3D acceleration. It covers how the console differs from a PC and includes a story about tunneling PCIe over RS-232.

Constraints Liberate, Liberties Constrain — Runar Bjarnason
Scala World · 5 HN recommenders
Runar Bjarnason's Scala World talk argues that restraint and precision in components beat power and flexibility. Constraints on parts make them easier to compose into systems.

Construction of the 10000 year clock - Alexander Rose (SETI Talks)
SETI Institute · 3 HN recommenders
Alexander Rose of the Long Now Foundation describes the design and construction of the 10,000 year clock conceived by Danny Hillis. He covers the project's history, methods, and how different cultures built things to last millennia.

Container Hacks and Fun Images
Jessie Frazelle · 2 HN recommenders
Jessie Frazelle's DockerCon SF 2015 talk on running Docker containers for desktop applications, with fun container hacks and images. It shows how far containers can be pushed beyond servers.

Containers From Scratch • Liz Rice • GOTO 2018
GOTO Conferences · 6 HN recommenders
Liz Rice live-codes a minimal container runtime in a few lines of Go at GOTO Amsterdam 2018. She explains namespaces, control groups and what a host knows about its containers.

Contrepreneurs: The Mikkelsen Twins
Folding Ideas · 10 HN recommenders
Dan Olson of Folding Ideas investigates the Mikkelsen Twins and the ghostwritten-audiobook passive-income course industry, even playing along with the scheme. It is a long video essay on get-rich-quick publishing grifts.

Control Bootcamp: Overview
Steve Brunton · 4 HN recommenders
The opening lecture of Steve Brunton's Control Bootcamp, covering the kinds of control and why closed-loop feedback matters. It starts a series that follows the control chapter of the Brunton and Kutz data-driven science book.

Controlling Your Dopamine For Motivation, Focus & Satisfaction
Andrew Huberman · 12 HN recommenders
Andrew Huberman's long Huberman Lab episode is a masterclass on dopamine. It covers the neural circuits, peaks and baselines, dopamine depletion, and 14 tools for motivation, focus and avoiding addiction.

Conventional Keyboards Are STAGGERINGLY STUPID!
Ben Vallack · 2 HN recommenders
Ben Vallack compares finger movement on a staggered keyboard with an ortholinear grid keyboard, using an Anne Pro 2 and a ZSA Planck EZ. He argues the stagger forces awkward finger motion.

Conway's Game Of Life in APL
Dyalog · 11 HN recommenders
A short Dyalog demonstration building Conway's Game of Life in a single line of APL, step by step. It shows how array operations replace loops.

Copper vs Pex vs SharkBite - Freeze Testing
Matt Risinger · 2 HN recommenders
Builder Matt Risinger freezes water-filled copper and PEX piping capped with SharkBite fittings to see which survives. The video compares how each pipe type handles freezing.

Copying Is Not Theft - Official Version
Question Copyright · 6 HN recommenders
Nina Paley's one-minute animated free culture anthem with vocals by Connie Champagne, arguing that copying is not theft.

Copyright is Brain Damage | Nina Paley | TEDxMaastricht
TEDx Talks · 2 HN recommenders
Nina Paley's TEDxMaastricht talk arguing against copyright and for copyleft and free culture. She argues that restricting ideas harms creativity and that culture belongs to everyone.

Copyright: How It Went Wrong
CGP Grey · 4 HN recommenders
CGP Grey's five-minute animated explainer on how copyright terms grew from 14 years to life plus decades. It uses Disney and Star Wars examples to argue the system has gone wrong.