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Stuart Halloway argues that simplicity is objective, with a definition and etymology useful to programmers, rather than a subjective buzzword. He shows how this view informs Clojure's design and how to make programs simpler.

Physicist Angela Collier's roughly hour-long video on how string theory was hyped to the public and what that did to science communication. She traces the history of the theory as a narrative and argues it is interesting but was oversold.

Sandy Pentland of MIT presents his book on social physics, which uses big-data studies of how people interact to explain how ideas spread. He describes findings on collective intelligence and social influence.

Veritasium explores how electrical energy actually travels in a circuit, arguing that it flows through electromagnetic fields around the wires rather than through the electrons. It builds a long-cable experiment with Caltech to test when a distant bulb lights.

A Royal Institution lecture in which Nicholas Humphrey presents his theory of phenomenal consciousness and its evolution. He draws on the book Sentience and discusses evidence for animal sentience.

A BSidesLV 2013 talk from the Sixteen Colors project on archiving the ANSI and ASCII art scene. It traces the scene's evolution from BBSs to the NFO and IRC era.

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.

John Oliver's Last Week Tonight segment on vaccines, arguing that the benefits far outweigh the minuscule risks and discussing why some parents still doubt their safety.

Philosopher Dan Dennett argues in a TED talk that we do not understand our own consciousness and that our brains often fool us. He uses perceptual examples, including a painting that invites the viewer to fill in detail.

A Second Thought video arguing that the CIA is responsible for serious crimes, coups and unrest around the world, with historical examples and further reading.

Greg Young, who coined CQRS, gives an in-depth GOTO 2014 talk on what event sourcing is, when it is valuable and when it is not, along with its trade-offs and common misconceptions.

Greg Young, who coined CQRS, looks back on a decade of domain-driven design, CQRS and event sourcing at DDD Europe 2016. He discusses where event sourcing applies and how simple its core can be.

Chamath Palihapitiya's Stanford GSB View From The Top talk on money as an instrument of change. HN mostly knows it for his remarks on social media's dopamine-driven feedback loops and regrets about Facebook.

The Futur's guide to pricing design and creative work, arguing against hourly rates and for value-based pricing. It features Blair Enns and says to price the client, not the job.

Steve Jobs presents Apple's proposal for a new campus to the Cupertino City Council in June 2011, answering council members' questions about the plan.

John Kitchin shows how Emacs org-mode with Python lets researchers combine narrative, math, figures and executable code in one document. It exports to LaTeX, HTML and PDF, and he used it for papers and e-books.

AlphaPhoenix uses a custom high-speed measurement setup to watch voltage waves travel down wires and split at a fork. It answers how electricity knows where to go and how quickly that process happens.

Irving Finkel of the British Museum lectures at the Royal Institution on the invention and decipherment of cuneiform writing in Mesopotamia, and why it is so hard to translate.

Digital Foundry's Alex Battaglia analyzes Metro Exodus Enhanced Edition, the first AAA game built around ray tracing. It covers the new global illumination, emissive lighting, DLSS and performance on AMD and Nvidia hardware.

Jayson E. Street's DEF CON 19 talk shows photos from real security engagements where he was already inside client facilities, illustrating how social engineering and physical intrusion can cause huge losses. For each attack he also explains what defenses would have stopped him.

Shahriar of The Signal Path tears down and experiments with Keysight's UXR real-time oscilloscope, which offers 110GHz bandwidth and 256GS/s sampling, and compares architectures from Keysight, LeCroy and Tektronix.

Jacob Geller's video essay on empty cities and what they say about our relationship to places, using games, literature and aerial imagery. It touches on works such as Invisible Cities.

Alen Ladavac of Croteam talks about continuous integration and automated testing pipelines in games, with case studies from The Talos Principle and Serious Sam.

Former CIA Chief of Disguise Jonna Mendez reviews spy scenes from film and TV and explains how realistic they are, including disguise techniques and masks.

Rebecca Watson's video critiquing physicist Sabine Hossenfelder's earlier video on gender care for transgender minors, arguing it mishandled the evidence.

A NOVA documentary with neuroscientist Heather Berlin exploring the subconscious and what drives our decisions. It uses sleepwalking, anesthesia, improvised rap in an MRI and game theory to probe how much of the brain's work is hidden.

Eric Cline presents the thesis of his book 1177 BC on the collapse of the interconnected Late Bronze Age Mediterranean civilizations. The talk covers the Egyptians, Mycenaeans, Hittites, Canaanites and their trade networks.

Not Just Bikes argues that self-driving cars will worsen sprawl and car dependence and harm cities. The video compares car-centered and people-centered urban design and weighs what cities should do instead.

Machine Thinking traces where mechanical precision comes from, from flat surface plates and the three-plate method up through lathes and early measuring tools. It is the first in a series on recreating the first micrometer.

Rich Hickey's keynote at RailsConf 2012, a close sibling of his 'Simple Made Easy' talk. He distinguishes simple (not intertwined) from easy (familiar), and argues that software complexity comes from complecting things, with Rails-specific examples including large gem collections.

Bryan Cantrill's Monktoberfest 2017 talk on leadership and organizational principles, ranging from the Gettysburg Address to Uber and Amazon. He argues for the difference between principles and values and criticizes vague corporate principles.

Alan Kay's 2015 talk on the power of simplicity, arguing that systems become simpler by building on more sophisticated fundamental building blocks and that big research horizons drove invention at Xerox PARC. It ranges across computing, tools and scaling software.

Technosociologist Zeynep Tufekci argues that the machine-learning systems used to serve ads also decide what political and social information people see. She explains how opaque algorithms can nudge, segment and manipulate users, and warns that the real danger is powerful people using AI to control populations.

Dr. Richard Cook, a physician and patient safety researcher, presents his ideas on how complex systems fail, at Velocity 2012. He argues for designing for resiliency rather than trying to exhaustively handle every failure mode.

The introductory lecture of Richard Hamming's capstone course, The Art of Doing Science and Engineering: Learning to Learn. It focuses on style of thinking and on educating rather than training, using technical material only as illustration.

A Ninja Nerd whiteboard lecture on the Moderna, Pfizer/BioNTech and AstraZeneca COVID-19 vaccines. It covers how each works, the preclinical and phase I-III trial process, and Operation Warp Speed.

Adam Savage shows a set of Mitutoyo ceramic gauge blocks and uses them to explain metrology, the science of measurement. He argues that accuracy and precision work differently than most people assume, which changes how you think about every measuring tool.

Bret Victor's talk "Inventing on Principle" argues that creators should find a guiding principle to fight for. He shows demos of immediate-feedback tools, such as live-updating code and animation editors.

A philosophy lecture by Professor Moeller on the philosophy of identity. It builds on a discussion of Abigail Thorn's video and covers authenticity, sincerity and how online profiles reshape identity.

A Channel 4 News interview with technologist Jaron Lanier, who argues that social media damages people's lives. He discusses how Facebook, YouTube and Google use algorithms and data collection to shape what users see.