mass

Veritasium explains that the Higgs boson accounts for only a small fraction of everyday mass. Most of a proton's mass comes from the energy of the gluon field binding its quarks.

A two-minute explanation of what a rocket mass heater is, starting from how a conventional wood stove works and why creosote and chimney fires occur. It shows how burning hot and storing the heat in thermal mass makes for an efficient heater.

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.

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.

Veritasium asks people where a tree's mass comes from, then explains that most of a dry tree's mass originates from carbon dioxide in the air. It combines street interviews with a short explanation of photosynthesis.

Psychologist Robert Epstein presents a Stanford EE380 colloquium on how internet algorithms such as search rankings can manipulate opinions, purchases and votes at massive scale. He also describes a new monitoring system for tracking such influence.

A short Al Jazeera animation narrated by Amy Goodman presenting Noam Chomsky's five filters of the mass media: ownership, advertising, media elite sourcing, flak and a common enemy. It is part of the MediaTheorised series.

A DEF CON 22 panel with Rob Graham, Paul McMillan and Dan Tentler on the quirks of scanning the entire internet with masscan. They discuss how fast IPv4 can be scanned and what the results reveal.

Rhonda Patrick interviews Salk Institute researcher Satchidananda Panda about circadian rhythms and the timing of food. They cover time-restricted feeding and its links to obesity, muscle mass, heart health, and light exposure.

A PBS Space Time episode on how the Higgs mechanism gives particles mass, prompted by Fermilab's heavier-than-expected W boson measurement. It goes beyond the usual pop-science treatment without heavy math.

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.

Arend Schwab demonstrates a research bicycle, the two-mass-skate design, that balances itself without gyroscopic effects or trail. It challenges the common explanations for why a moving bicycle stays upright.

A PyData London 2018 talk on how JPMorgan scaled its Athena Python platform over ten years to about 35 million lines of code and thousands of developers. It covers infrastructure, tooling and culture for analytics and visualization at that scale.

Thunderf00t argues that Zero Mass Water's solar-powered atmospheric water generator is essentially a dehumidifier with solar panels. He critiques its economics and physics, especially in arid places.

Fools & Dreamers is a 30-minute documentary about Hinewai Nature Reserve in New Zealand, where botanist Hugh Wilson let gorse grow as a nurse canopy to regenerate native forest. It shows the results after 30 years and the local skepticism he faced.

Luis von Ahn, creator of CAPTCHA and reCAPTCHA, explains how small contributions from many people online can digitize books. He then introduces Duolingo as a way to translate the web while people learn languages.

Wendover Productions explains how the US military moves people and materiel worldwide, including prepositioned equipment, sealift and airlift. It shows the scale of the logistics system behind US force projection.

Ben Krasnow of Applied Science builds a DIY microbalance from an analog panel meter with an optical servo loop. It reaches about 5 micrograms of precision and is used to weigh a single eyelash at around 35 micrograms.

Eric Weinstein interviews economist Timur Kuran on The Portal about preference falsification and how societies where people hide their real views can tip into revolutions.

John Oliver interviews Edward Snowden about NSA surveillance, including street interviews showing people have not thought about what the government can see. The segment famously frames the issue through private photos.

Sandy Munro interviews Elon Musk at Boca Chica about Tesla production, mega-castings, seats, structural battery packs and the difficulty of mass production.

Builders Matt Risinger and Jordan Smith visit a Swiss cross-laminated timber factory that makes thick all-wood walls with no traditional insulation and wooden nails instead of glue or chemicals. The video is sponsored by Siga.

Insider Food visits the Gurudwara Bangla Sahib temple in New Delhi, which feeds tens of thousands of people free daily and over 100,000 on holidays. It shows the machines and big-batch cooking that make this possible.

A DEFCON 20 panel with NSA whistleblower William Binney, journalist James Bamford and ACLU lawyers on the NSA's mass collection of communications and its conflict with the Constitution.

BBC Newsnight's exclusive interview with journalist Glenn Greenwald about Edward Snowden, the PRISM revelations, and mass surveillance by the NSA and GCHQ.

A clip from Charlie Brooker's Newswipe in which a forensic psychiatrist argues that intense news coverage of school shooters encourages copycat attacks, alongside Brooker's satire of formulaic news reporting.

Senator Ron Wyden asks DNI James Clapper in a March 2013 Senate hearing whether the NSA collects data on millions of Americans, and Clapper answers 'No, sir... not wittingly.' The question became notable after the Snowden revelations later that year.

A short clip about DARPA's ARGUS-IS, a 1.8 gigapixel wide-area camera array flown on a Boeing unmanned helicopter. It produces a huge mosaic video that can watch a city-sized area from 20,000 feet.

A New York Times Op-Doc by Laura Poitras profiling William Binney, a 32-year NSA veteran who helped design a secret program he says collects Americans' personal data.

Edward Snowden appears by telepresence robot at TED2014 to discuss surveillance, privacy rights, and Internet freedom, interviewed by Chris Anderson with Tim Berners-Lee.

Stanford physicist Leonard Susskind explains what the Higgs mechanism is and what it means to give mass to particles. He also covers what is at stake for physics and cosmology.

Tourist footage of the 660-ton tuned mass damper in Taipei 101 swaying during tremors from the 2008 Sichuan earthquake. The damper hangs from the 92nd floor.

PBS Space Time explains the Higgs field and how the Higgs mechanism gives particles mass within quantum field theory. It is a ten-minute overview for a lay audience.

Moxie Marlinspike's DEF CON 18 talk on changing threats to privacy argues that surveillance arrived through convenient services and network effects, so opting out is not a real solution. It also includes his framing of getting social democracy rather than the fascism people feared.

Bill Hammack of Engineer Guy explains the engineering behind the aluminum beverage can: why it is cylindrical, how it is manufactured, why it narrows at the top, the double seam, and how the pull tab works.

Machine Thinking tells the story of the Cold War Heavy Press Program, the giant forging presses that make parts for aircraft, missiles and turbines.

A 1080p widescreen capture of the Deus Ex conversation between JC Denton and the AI Morpheus. It is a philosophical exchange that includes surveillance as a replacement for God.

A 1936 Chevrolet promotional drama, 'Master Hands', showing car manufacturing from foundry to finished vehicle in Flint, Michigan. It is a National Film Registry selection and a record of early mass production.

VICE News reporter Elle Reeve investigates China's rollout of facial recognition and mass surveillance technology and what it means for citizens. The report originally aired on VICE on HBO.

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