ranked choice

Psychologist Barry Schwartz argues in this TED talk that abundant choice makes people more paralyzed and dissatisfied rather than freer and happier.

Primer uses simulations to compare voting systems such as first-past-the-post, approval, ranked choice and others. It shows how each system behaves and can be manipulated, with links to further voting theory resources.

A short CGP Grey explainer on the alternative vote (instant runoff voting) versus first past the post, made around the 2011 UK referendum. It shows how ranked ballots are tallied and why they avoid spoiler effects.

CGP Grey explains the Single Transferable Vote, a proportional ranked-ballot system, and why politicians have little incentive to adopt it. It is a short animated explainer of how multi-winner ranked voting works.

A LockPickingLawyer video showing that a padlock sold as an Amazon's Choice high-security product can be opened trivially, with no picking needed.

An animated simulation comparing single-winner voting methods such as plurality, instant runoff and STAR. Colored regions show which candidate wins as a randomized electorate shifts across a two-dimensional political space, building on Ka-Ping Yee's earlier diagrams.

The Center for Election Science explains favorite betrayal in instant-runoff voting: in some elections, ranking your favorite first can cause your least favorite to win. It contrasts this with plurality voting's spoiler problem.

Sabine Hossenfelder explains the delayed choice quantum eraser and argues it does not rewrite the past, as popular accounts claim. She walks through what the experiment actually shows.

Malcolm Gladwell's TED talk on how Howard Moskowitz found that there is no single perfect spaghetti sauce. He draws a larger point about choice, preference and happiness.

Veritasium explains why no voting system can be perfectly fair, drawing on Arrow's theorem and the work of Eric Maskin. It looks at problems with systems like first-past-the-post and ranked-choice voting.

The restored 4k official music video for Fatboy Slim's Weapon of Choice featuring Bootsy Collins, directed by Spike Jonze, with Christopher Walken dancing around a hotel lobby. It won multiple MTV awards and a Grammy.

Psychologist Melanie Joy's TEDxMunchen talk introduces carnism, the invisible belief system that conditions people to eat some animals but not others, and how it shapes reactions to food choices.

LockPickingLawyer picks an Amazon's Choice 'high security' padlock in about two seconds.

PBS Space Time explains the quantum eraser experiment, in which erasing which-path information appears to reverse causality in a double-slit setup. It discusses what this means for quantum mechanics.

On Peter Attia's podcast, Tenet Healthcare CEO Saum Sutaria, formerly of McKinsey, walks through the structure and financial flows of the US healthcare system. They cover insurance, drug pricing, how the system evolved and possible reforms.

A six-minute explainer from Undefined Behavior on range (score) voting. It follows an earlier video on Arrow's Theorem and shows how range voting seems to satisfy the criteria Arrow's Theorem says no ranked system can.

An episode of the Norwegian documentary series Brainwash, in which a comedian interviews academics from different sides about gender differences and gender equality. It looks at why more equal societies can still show unequal career choices.

In a TED talk, behavioral economist Dan Ariely uses visual illusions and his research to show that people are less rational in their decisions than they think. He covers defaults, such as organ donation rates, and how choice framing steers decisions.

Bryan Cantrill's OSCON 2015 talk on moving a proprietary product to open source, drawing on Sun's history with Solaris and illumos, licensing choices and the relicensing after Oracle's acquisition.

Peter Norvig answers the top questions submitted by reddit users in a 27-minute interview. Topics include programming language choice, AI, and workplace design.

A demo of Deldo, an Emacs package that lets Emacs hooks trigger vibration events on computer-controllable sex toys. It is an absurd teledildonics project that is half performance art.

The first episode of Michael Sandel's Harvard course on moral reasoning, opening with the trolley problem and the choice between killing one to save five. Sandel draws out student arguments and introduces utilitarian and other approaches to justice.

Tantacrul dissects the UX and UI of Avid's Sibelius music notation software, going through a long list of bad design choices. The review is both a comic rant and a practical lesson in interface design.

Andrew Kelley, creator of Zig, introduces the language at the Recurse Center's Localhost series in 2018. He covers its goals of robustness, optimality and clarity, C interop, cross-compilation and explicit allocators.

Chandler Carruth's CppCon 2014 talk on writing fast C++, explaining why data structure choice and memory layout matter more than clever algorithms. It covers why standard containers like unordered_map perform poorly on modern CPUs.

Everyday Astronaut explains the basic physics of rocket engines, the main engine cycles and fuel types, then compares SpaceX's methane-fueled full-flow staged combustion Raptor to other engines. It runs nearly 50 minutes with chapter markers.

Max Brunsfeld introduces Tree-sitter, a parsing system for developer tools that offers incremental parsing and robust error recovery through a uniform C API. The talk explains the design, based on LR extended to GLR parsing.

Technology Connections explains why single-hose portable air conditioners are inefficient and often a poor choice compared with window units. It details how the single hose pulls in warm outside air and wastes energy.

Mike Rowe, host of Dirty Jobs, shares stories from messy real-world jobs in this TED talk. He argues that hard work has been unjustly degraded in society.

Benno Rice's linux.conf.au 2020 talk asks whether UNIX was the best design we could have had. He looks at what alternatives existed, what was gained and lost, and what could be re-learned, including the limits of treating everything as a file.

A scene from the TV drama Halt and Catch Fire in which Gordon Clark meets Joe MacMillan, who is posing as an IBM salesman, on a sales call. It includes the dialogue about IBM being the safe choice and a marketing guru telling an engineer when to stop talking.

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.

Andrew Sorensen's OSCON 2014 keynote in which he live-codes generative music on stage using his Impromptu environment while narrating his computational and musical choices. It imagines concert programmers as a performing art.

Razor 1911's eponymous demo celebrating 40 years of the group, which won first place at the Revision 2026 demo competition and the public's choice award. It is a retrospective of keygen and warez scene culture with chiptune music.

Matt Parker of Stand-up Maths asks whether a country's reported land area accounts for hills and mountains, working through how surface area depends on the resolution of elevation data. It follows up on a question from a viewer and work by researchers who measured it.

Ben Felix argues that common beliefs about renting versus buying are wrong: homes are not great investments, mortgages are not a wealth hack, and ownership does not reliably bring happiness.

Ben Krasnow of Applied Science builds and operates a simple mass spectrometer, using it to measure potassium isotopes in a salt substitute. He explains the design choices and the theory behind it.

First episode of the Norwegian documentary series Hjernevask, in which Harald Eia interviews researchers on the nature versus nurture debate. It focuses on the gender equality paradox and gender differences in career choice.

Michael Bryzek of Flow gives a QCon London 2018 talk on key decisions for building maintainable microservices. It covers infrastructure, continuous deployment, communication, event streaming and language choice.

Ivan Krstic's Black Hat talk on Apple platform security, including the Find My design that uses elliptic curve key diversification to locate offline devices privately. It also covers hardware features such as the T2 chip and secure boot hardening.