dark matter

Physicist Angela Collier argues that dark matter is not a theory but a set of observations, covering rotation curves, the CMB and why modified gravity struggles to explain them.

Angela Collier, a physicist, revisits her earlier dark matter video, explaining dark matter as a set of observations rather than a theory and discussing MOND comments.

Sabine Hossenfelder explains how her opinion on dark matter has shifted, weighing the evidence for and against it and the case for modified gravity. It runs through what dark matter is and why it has not been detected.

PBS Space Time asks whether dark matter could be made of primordial black holes. It walks through the observational constraints that limit this idea.

Isaac Arthur examines the Dark Forest theory, Cixin Liu's proposed solution to the Fermi Paradox in which civilizations stay silent and may destroy any that reveal themselves. He tests the theory's underlying assumptions and arguments.

Kurzgesagt animated explainer on the Dark Forest answer to the Fermi Paradox. It argues that if advanced civilizations exist, staying silent may be the safest strategy because revealing yourself invites a first strike.

A DEF CON 30 talk by Sam Bent, a former darknet vendor, on operational security when using Tor and the darknet. He applies the hacker mindset to staying anonymous and avoiding capture.

A full-length album by The Kilimanjaro Darkjazz Ensemble, a dark, cinematic electronic jazz group. It runs about 55 minutes across nine tracks.

Sean Carroll's 2013 Fermilab Users Meeting lecture on particles, fields and the future of particle physics. He explains that particles are vibrations in underlying quantum fields and touches on the Higgs, neutrinos and dark matter.

Adrian Crenshaw's DEF CON 22 talk gives an overview of Tor and I2P, then goes through real cases where darknet users were caught. These include Silk Road and its operator.

Frederick Raynal gives a GDC postmortem of Alone in the Dark, the game that helped create the survival horror genre. He covers how the team built it and shows some of the old tools used.

Gameplay footage of the original 1986 Macintosh version of Dark Castle by Silicon Beach Software. The uploader argues the original is a great game that was tarnished by inferior ports.

Clip from The Dark Knight in which Batman uses a sonar-based system that turns phones into a city-wide surveillance network.

A one-minute trimmed clip from The Dark Knight showing the cell phone sonar surveillance system.

A WSJ report on China's 'dark factories', highly automated plants run by robots with little human presence, visiting Zeekr's EV factory. It covers Chinese labor costs, automation and overproduction in the EV industry.

PBS Space Time surveys five realistic options for interstellar travel, from conventional rocket fuel to antimatter and nuclear pulse propulsion. The options rely only on known physics.

A minutephysics explainer on why the planets orbit in a flat plane. It shows how conserved angular momentum flattens a collapsing cloud of matter into a disk.

Joshua Bloch's Google Tech Talk on how to design good APIs and why it matters, with concrete principles and examples. It treats every programmer as an occasional API designer.

DIY Perks builds a realistic artificial sun for dark winters, using a powerful water-cooled LED, a satellite dish reflector for near-parallel rays, and a scattering layer to mimic the blue sky. The video explains the optics behind why most lamps do not look like sunlight and shows the build and its results.

A PBS Space Time episode asking what matter, mass, and energy really are, starting with inertial versus gravitational mass and what mass-energy equivalence means.

Kurzgesagt explains how the European Union is governed, how its officials are elected or appointed, and whether a citizen's vote actually matters.

Adam Tornhill's GOTO Copenhagen 2019 talk on how to prioritize technical debt in large codebases. It argues for combining code complexity with change frequency (hotspots) from version control data, rather than trying to quantify debt in the abstract.

A short video accompanying the CVPR 2018 paper Learning to See in the Dark. It shows a neural network producing sharp images from very low-light raw sensor data, compared against denoising approaches.

A short scene from the film Pirates of Silicon Valley where Steve Jobs confronts Bill Gates after the Macintosh announcement over Windows copying Apple's work, and Gates replies that it doesn't matter.

A very short clip from the TV series Westworld about whether it matters if you cannot tell a human from an artificial being.

An Isaac Arthur episode on civilizations in the dark, post-stellar universe, including black hole farming, accretion disks and the Penrose process as energy sources.

Minutephysics compares how efficiently different processes convert mass to energy per E=mc^2, from fire and fission to fusion, antimatter and black holes, which can convert a large fraction of mass to energy.

Emery Berger explains why performance is hard to measure and deliver on modern hardware, showing how code layout and alignment can swamp optimization effects. He presents Stabilizer for statistically sound evaluation and Coz, a causal profiler.

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.

MC Frontalot's nerdcore rap about the text adventure Zork, made for Jason Scott's Get Lamp documentary and featuring a cameo by Steve Meretzky. It was filmed over an evening in a basement.

Emery Berger argues that performance is hard to measure and deliver on modern systems, showing how code layout and link order can swamp optimization effects. He presents tools that evaluate performance more reliably.

David Heinemeier Hansson explains what he learned about indoor air quality after his new house made his family sick. He covers CO2, VOCs, off-gassing, HVAC and ventilation, and cognitive effects, presented at a Basecamp meetup.

Coffeezilla's investigation into the Counter-Strike 2 skin gambling ecosystem, covering casino sites, influencers and esports teams that profit from it. It is part of a multi-part series on Valve's skin economy and its effects on young players.

A Business Insider investigation into the US boom in AI data centers, mapping where they are, who owns them, and how much power and water they consume. It looks at the costs borne by communities, with a focus on Virginia.

A political commentary video arguing that tech billionaires such as Thiel, Musk and Andreessen, along with figures like Yarvin, are using the new administration to push their agenda. It connects Yarvin's ideas with Project 2025.

An episode of Patriot Act with Hasan Minhaj exposing how tax-prep companies like TurboTax make filing confusing and costly even though many Americans can file for free. It combines comedy with reporting on lobbying and dark patterns.

Developmental and synthetic biologist Michael Levin speaks at a Harvard Extension student event on bioelectricity, body intelligence and regenerative medicine. He discusses how cell electrical networks guide growth and form.

A long video essay by Skip Intro asking what vision of policing the kids' show PAW Patrol suggests. It mixes comedy with serious critique and features guest voices.

Benn Jordan examines the role of bots and propaganda accounts on X and other social platforms, including the platform's decline and the influence of Russian operations. It covers more than bots, discussing bias and how the platform changed.

Technology Connections explains the difference between power (watts) and energy (watt-hours) and why confusing them leads to errors. It runs about 52 minutes and uses everyday examples.