negative pressure

A 1968 Firing Line interview in which Milton Friedman explains the negative income tax, a proposal to replace welfare bureaucracy with direct payments.

Veritasium explains how trees lift water from roots to the top of tall trunks, using transpiration pull and the negative pressure that liquid water can sustain. It explains why trees do not need pumps or valves.

Robert Miles introduces the first of several videos on the paper 'Concrete Problems in AI Safety', focusing on how AI systems can cause accidental negative side effects. It explains the problem in accessible terms.

A Technology Connections video weighing LED streetlights against high pressure sodium lamps, covering efficiency, color, cost and light pollution. It is a follow-up to his earlier explanation of why street lights are orange.

The Thought Emporium follows up on his earlier video showing negative ion products are radioactive, reporting that Amazon pulled listings and companies shut down. He tests more radioactive quack products with a Geiger counter and cloud chamber.

A short video illustrating the hazard of pressure differentials (delta P) in commercial diving, where a pressure difference creates enormous force on a diver. It is a safety-oriented look at diving accidents.

The Thought Emporium tests so-called negative ion and anti-5G wellness products and finds they are radioactive, with some coated in powdered thorium.

FOSDEM 2020 talk from Collabora on pressure-vessel, an experimental mechanism that puts Steam games in containers on Linux. It covers using namespaces to give games their own runtime library stack independent of the host.

Zach Tellman's Clojure West talk covers the basics of queueing theory and its practical use in systems, including backpressure, how queues break down under load, and pitfalls of naive core.async use.

A Yes Minister sketch in which Jim Hacker and Sir Humphrey meet the BBC and discuss its independence from government pressure. It is a satirical look at the relationship between the state and the broadcaster.

A one-minute clip of Peter Norvig saying that Google found programming contest success correlates negatively or poorly with job performance. The description links to a blog post discussing it.

A one-minute clip of an Atlas Agena rocket losing pressure on the pad and collapsing. The Atlas relied on tank pressurization for structural integrity, so a simple failure tore it apart.

A People Make Games follow-up investigation into Roblox, built on stories from players and creators after the channel's first video. It covers the platform's treatment of young developers and its moderation.

Joseph Everett argues, drawing on the book The Salt Fix, that most people benefit from more rather than less salt, and reviews studies on sodium, potassium and blood pressure.

A controlled demonstration by Wabash National of a tank trailer collapsing under vacuum, staged at an industry expo. The tank implodes as air is pulled out.

PBS Space Time explains how general relativity permits warp drive in principle and covers recent theoretical advances toward solving the negative energy problem.

A brief demonstration of a railroad tank car imploding after a vacuum is pulled with its safety valves disabled.

A short clip of Joe Biden describing how he pressed Ukraine to fire a prosecutor by threatening to withhold loan guarantees, framed by the uploader around Hunter Biden's board role.

Louis Rossmann lays out evidence that a Yelp salesperson had friends leave negative reviews of his repair shop after he declined advertising. He frames it as extortion and defamation.

A guest video by Welch Labs on 3Blue1Brown explaining how text-to-image and video models work. It covers CLIP, shared embedding spaces, diffusion models (DDPM, DDIM), conditioning, guidance and negative prompts.

A four-minute clip of Milton Friedman, from a 1978 address, discussing property taxes and land value taxation. He says property tax is the least bad tax and explains why it is so unpopular.

Code Rush is a one-hour documentary following Netscape engineers in Silicon Valley through the company's last year as an independent firm. It covers the Mozilla open-source announcement, the frantic push to ready the source for release by March 31, 1998, and the toll on engineers' lives before the AOL acquisition.

Richard Cook's short Velocity 2013 talk on resilience in complex adaptive systems, arguing systems operate near the edge of failure and that the surprise is how rarely they fail. He presents a model of how pressures push systems toward failure boundaries.

Bryan Cantrill's GOTO Chicago 2017 talk on debugging production systems under pressure, centered on the incident where an operator's mistyped command rebooted an entire Joyent datacenter. It covers human factors, automation and architecture.

Kurzgesagt examines what individuals can do about climate change, covering lesser-known carbon sources and why systemic and political change matter more than personal footprints.

Hans Rosling and his son Ola run an audience quiz with global population, health and income data to show how wrong most people are about the world. Ola then gives four ways to get less ignorant.

Thunderf00t, a physicist, critically assesses the Hyperloop concept, covering the vacuum, pressure, safety, and cost problems of high-speed tube travel. He argues the media accepted the claims uncritically.

An Extra Credits episode on China's Sesame Credit, which gamifies obedient citizenship through a social score. It covers how the system rewards conformity and pressures people through their friends' behavior.

Code Rush is a 2000 PBS documentary following Netscape engineers during the year they open-sourced the browser as Mozilla. It shows the pressure and long hours of work in Silicon Valley at the height of the dot-com era.

Valve's feature-length documentary following three professional gamers competing in the first Dota 2 International tournament for a million dollar prize. It shows the sacrifices and pressures of top-level esports.

John Oliver's Last Week Tonight segment on how media outlets report incomplete or untrue findings as settled science. It covers sensational headlines, small studies and pressure on researchers.

Scott Manley explains the plumbing of rocket engines, including pressure-fed, gas generator, expander and staged combustion cycles. He shows why more complex designs exist and what they gain.

The first lecture of Stanford's Natural Language Processing with Deep Learning course, taught by Chris Manning and Richard Socher. It introduces NLP and word vectors, including SVD, skip-gram, CBOW, negative sampling and word2vec.

The famous Alec Baldwin monologue from the film Glengarry Glen Ross, where his character Blake berates salesmen with the 'Always Be Closing' speech. It is a short, profane scene about sales pressure and motivation.

Folding Ideas' long essay on why playing poorly in World of Warcraft feels rude. It traces how raiding culture shifted from relaxed fun to optimization, theorycrafting and wikis.

Yanis Varoufakis and Noam Chomsky talk on stage at the New York Public Library in 2016. They cover the Greek financial crisis, European politics, neoliberalism and America's economic future, drawing on Varoufakis's book.

A clip of psychologist Jordan Peterson discussing why few women reach high-paying, high-pressure jobs. He talks about the tension between a demanding career and having a family.

Wendover Productions explains why American towns, retail and buildings increasingly look alike, covering zoning pressures, corporate standardization and cheap construction types like 5-over-1 buildings.

Extra Credits explains from a game developer's perspective why AAA games have stayed at $60 despite inflation, and how that pressure drives DLC, microtransactions and loot boxes.

Real Engineering explains why biofuels, especially corn ethanol, are a poor energy source, looking at energy inputs, efficiency and carbon cost.