variable steering ratio

Engineering Explained compares Lexus's steer-by-wire yoke on the RZ 450e with Tesla's yoke. It covers how steer-by-wire works and how variable steering ratios address the yoke's flaws.

Herbert Wolverson's Roguelike Celebration 2020 talk surveying procedural map generation techniques, including integration of hand-crafted prefabs and vaults.

California Superbike School demonstrates its 'No B.S.' bike, which has fixed handlebars so riders can only steer with body lean. It illustrates how little control that gives compared with countersteering.

A short MIT Aerospace Controls Lab demo from 2011 of a variable pitch quadrotor flying.

Roy Beck's short gumball presentation using World Bank and Census data to argue that letting people immigrate to the US cannot solve world poverty because the numbers are so large. It is made by NumbersUSA, an immigration-restriction advocacy group.

Numberphile's Ben Sparks shows why the golden ratio is the most irrational number, using seeds, continued fractions and rational approximations. He also explains why plants use it for spacing leaves and seeds.

Destin Sandlin of Smarter Every Day explains Multi-Domain Operations through footage from his last mission at RIMPAC 2018. He covers missile and torpedo testing and interviews military leaders about the cyber and information domains.

A short clip of George H. W. Bush and Ronald Reagan answering an audience question on illegal immigration at a 1980 Republican primary debate. Both take notably sympathetic positions, including on schooling for undocumented children.

CuriousMarc inspects a newly arrived Teletype Model 19, an early military unit built around a Model 15 keyboard and printer, after an initial rough cleaning. It is the first part of a restoration series and touches on 5-bit Baudot code.

A short clip of economist Milton Friedman discussing the dynamics of illegal immigration and its relationship with the welfare state. It is part one of two.

The preface to Herb Gross's MIT OpenCourseWare 'Calculus Revisited: Single Variable Calculus', an older black-and-white lecture series. It introduces his approach to teaching calculus from the basics.

A 47-minute restoration of a 1920s IBM computing cheese cutter, a machine with parts patented between 1901 and 1907. The video covers the restoration work and explains why it is a computing cheese cutter.

A short PBS NewsHour clip of Elon Musk making a gesture at the post-inauguration celebration in January 2025, which many described as a fascist salute. The report includes the remarks he made just before it.

Ubisoft procedural technical artist Etienne Carrier explains the Houdini-based tools used to build Far Cry 5's roughly 100 square km open world. It covers generating biomes, texturing terrain, freshwater networks, cliff rocks and vegetation placement.

Ben Krasnow of Applied Science shows that a plain laser diode can measure sub-micron vibrations from centimeters away using self-mixing interferometry, and can also be used for range-finding.

A two-minute minutephysics video explaining why turning a bicycle requires first steering briefly the other way. It covers counter-steering and balance with slow-motion footage and 3D animation.

Michael Levin's NeurIPS 2018 talk on bioelectric computation outside the nervous system, showing how cell electrical networks shape development and regeneration. It covers morphological information processing in living tissue.

Adam Conover's talk at a millennial marketing conference argues that generations are an unscientific, condescending idea and that millennials do not exist as a real category. The description notes that researcher Jean Twenge later said he misrepresented some of her work.

Shashi Tharoor's Oxford Union speech arguing that Britain owes reparations to its former colonies, focused on the effects of British rule in India. It lists economic and political damage done by colonialism.

A three-hour-plus Joe Rogan podcast with Twitter CEO Jack Dorsey, policy lead Vijaya Gadde and journalist Tim Pool. They discuss Twitter's moderation, bans and rule enforcement, with Pool challenging Dorsey and Gadde with examples.

Kurzgesagt makes a selfish case for improving the world, arguing that helping people far away raises prosperity and innovation for everyone, including yourself. The animated video frames this as egoistic altruism and positive-sum cooperation.

Robert Miles asks whether corporations can be thought of as artificial general superintelligences and how far the analogy holds. He argues the differences, such as being limited by employees' capabilities, matter for AI safety.

The first lecture of Francis Su's Harvey Mudd real analysis course, covering the construction of the rational numbers. It begins a full lecture series that follows a standard analysis text.

Charles Stross's 34C3 talk on how science fiction gets the future wrong. He argues that corporations are slow, human-powered AIs that optimize for profit, and that regulation lags behind accelerating technology.

GDC 2019 session where Insomniac's David Santiago describes the procedural systems used to build Manhattan for Marvel's Spider-Man. It covers the open-world pipeline and how each system was designed to support iteration and dependencies.

The first stream in the Emacs From Scratch series, building a custom Emacs configuration from zero while teaching basics. It covers a usable baseline setup and the packages for completion, themes and productivity.

A long Team House podcast interview with James Lawler, a former CIA operations officer who led counterproliferation work against the A.Q. Khan nuclear network. He discusses HUMINT, WMD and how such operations were run.

A short, music-driven video built from Neil deGrasse Tyson's remarks on why advancing the space frontier matters, contrasting NASA's small budget with war spending and stressing inspiration.

Mathologer uses continued fractions to show why the golden ratio is the most irrational number, comparing it with root 2, e and pi and pointing to where this shows up in nature.

A 37C3 talk by Kaspersky researchers on Operation Triangulation, a zero-click iPhone attack that targeted their own colleagues. They describe capturing every stage of the chain, four zero-days and a previously unknown spyware active for years.

Hyrum Wright shares lessons from five years of mass code migrations in Google's huge C++ codebase. He covers why to migrate, how hard it really is, and how Google updates core libraries and their users continually.

Joe Rogan interviews Jack Dorsey, then CEO of Twitter and Square, for about two hours. They discuss Twitter's value, moderation, misinformation and echo chambers.

Footage of a huge flock of starlings performing a murmuration, filmed by wildlife cameraman Dylan Winter. The flock moves in tightly coordinated shapes.

A six-minute clip of the famous speech from the 1976 film Network in which the world is described as a corporation. It portrays a world run by corporate interests.

A 4K upscaled restoration of Apple's 1984 Macintosh Super Bowl ad directed by Ridley Scott. The restoration combines various sources and an AI upscaler.

Chapter 11 of the documentary The Corporation, on how marketing targets children, including the Nag Factor study that taught kids to nag their parents more effectively.

A short Newsweek clip of White House press secretary Jen Psaki saying the administration is flagging problematic posts to Facebook that spread COVID-19 and vaccine disinformation.

A short Harris Corporation (L3Harris) promotional video showing wide-area airborne motion imagery, a sensor system for persistent real-time aerial surveillance of large areas.

Biologist Michael Levin explains the bioelectric layer that coordinates cells to build organs and bodies, showing footage of two-headed worms and introducing xenobots. He discusses implications for medicine and the nature of life.

The first episode of CuriousMarc's series restoring a real Apollo Guidance Computer, led by AGC expert Mike Stewart. They set up a makeshift lab in a Houston hotel room to open up a rare machine owned by a private collector.