Posts

We Were Soldiers (2002) and the Bel UH-1 Iroquois Helicopters

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I saw this film in 2014 sometime and I was very puzzled by the part in the opening scene where Hal Moore, played by Mel Gibson, is studying the specifications of the Bell "Huey" Helicopters . "Development of the Iroquois started in the early 1950s, a major impetus being a requirement issued by the United States Army for a new medical evacuation and utility helicopter." What struck me was the maximum ceiling of the things, which was well over 12,000 feet, fully loaded.  I wondered how many places there were in the world which had populations living at that height above sea level. I knew only Bolivia and India/Himalayas/Tibet. I can't find a clip of that scene, but there's this one: So I suppose that explains it. Subscribe to Hollywood Society Media . But then I just learned from CGTN that in the early 1950s the CIA were organising an insurgence in Tibet ( 3:26 ): Subscribe to CGTN .  

I Asked Google A Personal Question, ...

I said "Why is google so crap in Bolivia?" It replied:  Based on user experiences and reports, Google services (Search, Maps, Play Store) can feel suboptimal in Bolivia due to a combination of poor local infrastructure, limited local support, and regional technical restrictions. Key reasons for this include: Poor Internet Quality: Slow, unstable, and congested internet connections are common in Bolivia, which severely impacts the speed and reliability of Google Search. Lack of Local Data and Support: Bolivia has limited localized data for Maps and services, and the country is often not a priority for Google, leading to less accurate or missing information. Payment and Access Restrictions: Users in Bolivia often find that international cards are declined on the Google Play Store, requiring local payment methods. Technical Issues: Reports indicate that even when using decent, local Wi-Fi, services like the Play Store or updating offline packs for Maps can become stuck or unusab...

Dark Matter Might Just be a Joke

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I have been complaining about some of the (presumably AI-generated) video clips he's been using, ( 4:20  and 7:26 ) showing what seem to be implausibly dense galactic clusters. So, ... last time I asked what they were, and where they were taken, and said maybe they were dark matter. Subscribe to Anton Petrov .

Mac Lane's Coherence Theorem

See coherence theorem on nlab . See also  Emily Riehl and Terrence Tau on The Future of Mathematics , Then maybe  Richard Clegg Explaining What's Wrong With Computer Science and  About Logic Interview with Graham Priest . There is in fact a long tradition of quite rigorous thought about proofs in the Category of Categories: see  doctrine on nLab . 

Michael Hudson Interviewed by Glenn Diesen

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The rentiere economy . It's a really interesting take! You end up with most of the economic growth being interest paid by landlords on their mortgages. See his book  The Destiny of Civilization .  Subscribe to Glenn Diesen .  Subscribe to David Gilmour .  Joining the dots:  The Future is Closer than I Thought Modern Day Alchemy Peñico in Peru was constructed by a 5,000 year-old culture

Ben Sparks - Reinterpreting Games

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Subscribe to Numberphile . Then I listened to this discussion about AI maths, where this Putnam problem came up: See the discussion at 16:55 Subscribe to  Weights and Biases .

Peñico in Peru was constructed by a 5,000 year-old culture

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It has an interesting story about climate-change:   Archaeologists in Peru have uncovered a 3,500-year-old city that is changing what scientists know about early civilization in the Americas. The site, known as Peñico, reveals complex urban planning and trade networks dating back millennia. Dan Collyns visits the newly excavated ruins to explore how this discovery challenges long-held assumptions about the origins of civilization in the region. Subscribe to CGTN America .

Ian Clarke on Freenet

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See  https://freenet.org/   I was told that this is considered a "thought crime".  My comment :  I have some questions: 1. A decentralized system is by default fragmented, out of the box, as it were. Do you have any protocols for network identification? The idea is that a user would like to have some reasons to believe that they're connecting to a genuine network, not a spoofed one, and that they are connected to the entire network, and not just a jail where they can see everyone else and no-one can see them, or where all their interaction is mediated by some man-in-the-middle. 2. Distributed updates can overlap, so do you have any protocols that can help to establish a total order on some class of events? This is related to my previous question.  See  HVM2 Interaction Combinator Evaluator  and note at 6:49 the property of interaction combinators. From Higher Order Company : See also  Yves Lafont - Interaction Nets The Movie . 32:18 On using AI ...

Jonas Birch on Old News

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See this 2013 story  US intelligence agency the NSA subverted a standards process to be able to break encryption more easily, according to leaked documents. Subscribe to Dr Jonas Birch .  But seriously, once this is known, you would want to take some steps to stop it happening again, wouldn't you? Unless you were making a comfortable living from taking payoffs, publishing bullshit books about computer security etc. See  "Security Theater" . 

Daniel Tubbenhauer Explaining What Lie Groups and Lie Algebras Are

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Part 2: See part 1 in:  Daniel Tubbenhauer is starting a course on Lie theory . I should really try and understand this ( 17:23 ),... See  Steven Johnson - So You Think You Know How to Take Derivatives? Subscribe to The Julia Programming Language .  YouTube AI says this is about the theory of lies: The trouble is that it doesn't tell you that this is not what the person wrote, and it gives you no way to see the original, so it is misrepresenting people, but the stupid dorks who work there don't think this matters. Subscribe to Daniel Tubbenhauer .