klein bottle

Numberphile visits Cliff Stoll, the man behind ACME Klein Bottles, and sees how he stores a thousand glass Klein bottles in a crawlspace under his house. A remote-controlled forklift fetches them.

Numberphile interviews Cliff Stoll about Klein bottles, the one-sided surfaces with no inside or outside. Stoll explains them with characteristic enthusiasm and shows off his collection.

Ezra Klein interviews Democratic pollster David Shor, who walks through survey data and charts explaining the 2024 election results. They discuss voter shifts, the education divide and what Democrats got wrong.

Clifford Stoll's energetic TED talk, a wandering mix of anecdotes, a science experiment and thoughts on curiosity, education and technology. He is the author of The Cuckoo's Egg.

Jon Stewart interviews Ezra Klein about his book Abundance and why progressive goals get stuck in procedure and regulation. They discuss how to streamline government and what could be built without bureaucratic obstacles.

Thunderf00t debunks the Fontus self-filling water bottle, arguing that pulling meaningful amounts of water from air with a small solar-powered device is thermodynamically impractical.

A one-minute Telegraph news clip of Cristiano Ronaldo moving two Coca-Cola bottles aside at a Euro 2020 press conference and saying 'Drink water.' The moment went viral and drew praise from anti-obesity campaigners.

Susan Crawford talks at Harvard's Berkman Klein Center about her book Captive Audience. She argues that deregulation and consolidation left a few telecom companies in control of American internet access, so people pay too much for slow service.

Rick Reed of WhatsApp explains at Erlang Factory 2014 how the service scaled to billions of messages with a very small engineering team. He covers the FreeBSD and Erlang stack, Mnesia usage, server counts and bottleneck work.

Kaze Emanuar explains how he rewrote and optimized the Super Mario 64 source code so it runs far faster on real N64 hardware. He covers performance bottlenecks and fixes in detail for his ROM hacks.

Veritasium examines which experts have real expertise, drawing on chess research and work by Klein and Kahneman. It explains that expertise comes from pattern recognition built through deliberate practice in valid, feedback-rich environments.

PS5 lead system architect Mark Cerny gives a deep dive into the PS5's architecture, covering its SSD, I/O, audio and design goals. He explains how removing bottlenecks shapes future games.

Chris McCord's ElixirConf 2018 keynote introduces Phoenix LiveView, which renders HTML on the server and updates the page over websockets. It includes a demo showing that latency is not the bottleneck one might expect.

Kirsten Dirksen tours new Earthships, homes built from tires, bottles and cans that generate their own energy, collect water and grow food. The video covers the newer, cheaper Encounter model and its passive systems.

An Isaac Arthur episode on arcologies, self-sufficient habitats that could house whole cities, on Earth or on harsh worlds. It covers how such structures might work and what limits their size.

A 2009 Google Tech Talk by Nicholas Zakas on the hidden performance pitfalls of JavaScript. It covers what is fast and slow in the language and how to avoid common bottlenecks.

Physicist Albert Bartlett's full-length lecture on how steady exponential growth in population and energy use collides with finite resources. It uses examples like bacteria in a bottle and covers peak oil.

Leptos creator Greg Johnston examines Rust/WebAssembly frontend frameworks against JavaScript frameworks using the JS framework benchmark. He argues that WASM is no longer too slow for DOM-heavy rendering.

Emery Berger's CppCon 2020 plenary on why performance is hard on modern hardware after the end of Dennard scaling. It covers benchmarking pitfalls and introduces new profiling tools for finding real bottlenecks.

A No Priors podcast conversation with Andrej Karpathy covering self-driving (Tesla versus Waymo), the Optimus robot, bottlenecks in AI development, and his education project Eureka Labs.

Allan Jude of Klara presents work on making ZFS scale on fast NVMe storage, covering fixes to the TaskQueue interface and removal of bottlenecks. The talk was given at EuroBSDcon 2022 and describes raising write throughput from about 3 to over 7 GB/sec.

Dwarkesh Patel interviews Nvidia CEO Jensen Huang about whether Nvidia's moat will last. Topics include TPU competition, supply chain bottlenecks, selling AI chips to China and Nvidia's investments.

Netflix engineer Drew Gallatin explains how Netflix serves TLS-encrypted video at 400Gb/s from a single FreeBSD server. He covers NUMA, kernel TLS, hardware TLS offload and the memory bandwidth and PCIe bottlenecks they hit.

A short clip of Bernie Sanders in conversation with Ezra Klein of Vox, where he rejects open borders as a proposal that serves the Koch brothers. It is an excerpt from a longer interview on global poverty.