non-ionizing radiation

ElectroBOOM examines whether 5G and other electromagnetic waves can harm people, explaining the EM spectrum and the difference between ionizing and non-ionizing radiation. It includes experiments and measurements in his usual humorous style.

PBS Space Time explains Stephen Hawking's prediction of Hawking radiation and how black holes can emit radiation and slowly evaporate. It goes beyond the common particle-antiparticle analogy.

A Hagerty documentary on a 1979 Lamborghini Countach LP400 S and how it ended the Cannonball Baker Sea-to-Shining-Sea Memorial Trophy Dash. It tells the story of the illicit race started by Brock Yates and its Hollywood adaptation.

A short Italian-language clip about the Canon Cat, a text-oriented personal computer from Canon designed by Jef Raskin, who started the Macintosh project. It shows the machine in use.

A YouTuber explores the Chernobyl zone in 2013, takes a gamma spectrum of a hot reactor fuel fragment, and jokes about a radioactive ant bite. It is a hands-on amateur look at radiation in the exclusion zone.

The full, long-form FRONTLINE interview with Steve Bannon, recorded in 2019 for the documentary series on the Obama-to-Trump era. He discusses his populist politics, the Trump campaign and White House, and his view of the establishment.

Chase Adam, founder of the nonprofit Watsi, speaks at Startup School 2013 about building a nonprofit startup.

A roughly 10-minute guided Non-Sleep Deep Rest session voiced by neuroscientist Andrew Huberman. It is meant to reduce daytime fatigue, improve focus and aid sleep.

The old announcement trailer for Hyperbolica, CodeParade's Unity game set in hyperbolic and spherical space. The creator has since posted devlog videos on building it.

LightningOnDemand revives a pulsed Lorentz plasma cannon, using modern capacitors to extend its range and increase the delivered energy. It is a high-voltage, high-current hobby demonstration.

LGR looks at the 1988 Canon Xap Shot, a still video camera that records photos to a floppy disk as analog NTSC signal rather than digital data.

Henry Segerman and collaborators demonstrate virtual reality experiences in non-Euclidean spaces, including hyperbolic and mixed hyperbolic-Euclidean geometry. The browser-based demos let viewers move through these spaces and show how strange the geometry feels from inside.

Huygens Optics explores the idea that space is a non-linear elastic medium, and uses simulations to show how wave energy might be confined locally into particle-like objects. It touches on inertia, the Schwinger limit and the vacuum as a medium.

Veritasium visits Chernobyl, Fukushima and other places to find who on Earth is exposed to the most ionizing radiation. The answer turns out to be surprising and puts radiation risk in context.

A dialogue with Gary Weber on the default mode network, meditation and non-dual awakening, with discussion of psychedelics, thought and time. It is part of the Non-Dual Couch series.

Casey Muratori's first refterm lecture lays out philosophies of optimization, distinguishing optimization from non-pessimization, which means avoiding needless work. It uses his fast terminal renderer project to show how fast computers really are.

Comedian and cellist Rob Paravonian rants about having to play Pachelbel's Canon in D, and shows how many pop songs reuse its chord progression. It was recorded live at Penn State.

About Here looks at the housing crisis and argues for non-market solutions such as co-op and social housing, drawing on Vancouver's situation. It discusses how public supply can hold down rents.

CodeParade's short devlog on how spherical geometry looks in 2D and 3D and why it feels so unusual, part of the Hyperbolica series on a non-Euclidean game.

'Skwerl' is a short film by Brian and Karl made entirely in fake English, imitating how English sounds to people who don't speak it. It was made for Kino Sydney and shown on QI.

A guide to charging a non-Tesla EV, here a BMW i4, at a Tesla Supercharger in the UK, with do's and don'ts. It shows the process in practice now that the network is open to all cars.

Dan Olson's 76-minute essay on flat earth belief, built around a hike to a lake to test earth's curvature. It examines the community, how YouTube promoted it, and how it connects to wider conspiracy thinking and QAnon.

The Grugq's Hack In The Box 2012 talk on operational security for hackers, drawing on hacker indictments and counter-intelligence research. It reviews OPSEC goals and methods for avoiding detection and arrest, with case studies of how hackers got caught.

A roughly three-hour San Francisco workshop by Marshall Rosenberg on Nonviolent Communication, with full English subtitles added by a fan. He teaches the model with his jackal and giraffe language examples.

A Kurzgesagt animation walking through how a Mars base could be built and why it would be punishing, covering radiation, temperature extremes, toxic dust and the need for shielding.

A DEF CON 30 talk by Sam Bent, a former darknet vendor, on operational security when using Tor and the darknet. He applies the hacker mindset to staying anonymous and avoiding capture.

Paul Grignon's animated documentary presenting his view of how banks create money as debt and why that system requires continuous growth. It outlines the historical background of modern banking.

Comedian Rob Paravonian's 'Pachelbel Rant', a comedy bit showing that the chord progression of Pachelbel's Canon underlies countless pop songs. This is a high-quality 2019 re-post of the 2006 original.

MIT 22.01 lecture by Michael Short explaining the Chernobyl accident technically, including RBMK reactor positive feedback, xenon poisoning and the cascade of human errors during the test.

Psychologist Philip Zimbardo explains how ordinary people can be pushed into doing evil by situations and systems. He draws on the Stanford prison experiment and unseen Abu Ghraib photos, then turns to the opposite case: how ordinary people can become heroes.

Ryan Dahl tells the history of Node.js and why he created it at a Phoenix meetup. He explains the push for non-blocking IO on a clean slate rather than extending an existing ecosystem.

CGP Grey walks through the odd history and quirks of the US-Canada border, including how it was surveyed and its irregularities such as exclaves.

Troy Hunt argues that even static, non-secret websites need HTTPS, demonstrating attacks such as injected content and China's Great Cannon. It accompanies his blog post of the same name.

Physicist Sabine Hossenfelder explains how 5G works and examines the health concerns around millimeter wave radiation. She reviews the scientific evidence and the open letters from scientists.

A promotional video for Leap, the navigation technology invented by Jef Raskin, demonstrated on the Canon Cat computer around 1987. It shows keyboard-driven search and cursor positioning in place of a mouse.

A detailed 40-minute explanation of the ultraviolet catastrophe, covering Rayleigh and Jeans' classical treatment of blackbody radiation and Planck's quantum hypothesis. It follows the Eisberg and Resnick textbook treatment.

Mobileye co-founder and CTO Amnon Shashua explains what goes into sensing for autonomous driving and whether end-to-end deep learning can work for it. He argues for decomposing the problem.

Tom 7 (suckerpinch) delivers a long, comedic digression on gradient descent and floating-point imprecision. He shows how rounding behavior can supply the nonlinearity needed to build a neural network.

Randall Munroe of xkcd answers what would happen if you swam in a spent nuclear fuel pool, and how much radiation you would receive at the surface versus at depth.

A short clip of Madeleine Albright saying the price of the deaths of Iraqi children from sanctions was worth it, uploaded with political commentary about Iran.