Normal view
America risks a nuclear-arms race with China
Do Retention Ponds Actually Work?

Errata: 5 acres is about 2 hectares. Sorry for the conversion error!
Part park, part plumbing, mostly hiding in plain sight, they are often carefully tuned pieces of infrastructure that help keep the city’s head above water.
Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-the-hidden-engineering-of-stormwater-ponds
Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/
Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos!
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This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips used for fair use commentary, criticism, and educational purposes.
SPECIAL THANKS
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Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks.
Video by Grady Hillhouse
Edited by Wesley Crump
Produced by Ralph Crewe
Graphics by Nebula Studios
MUSIC CREDITS
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Cactus Song from Epidemic Sound
Practical Engineering Theme composed by Caleb Winters (https://beacons.ai/calebwinters)
Woodland Expedition composed by Caleb Winters (https://beacons.ai/calebwinters)
Water and Light composed by Caleb Winters (https://beacons.ai/calebwinters)
Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License
Source: https://www.youtube.com/watch?v=U6fBPdu8w9U
Um tarifaço no Louvre
Quem não é cidadão europeu e foi visitar o Museu do Louvre, em Paris, nesta segunda-feira, 2, pagou 32 euros para entrar, o equivalente a cerca de 200 reais. A nova tarifa está em vigor desde 14 de janeiro. Trata-se de um aumento de 45% em relação ao preço do ano passado e são 10 euros a mais do que pagam os residentes do Espaço Econômico Europeu. Da sala Mollien, a Liberdade de Delacroix guia o povo e está vendo a discriminação.
Nesta segunda, quem pagou 32 euros no antecipado e chegou cedo para visitar o Louvre encontrou primeiro um aviso de que o museu não iria abrir no horário previsto e, pior, não tinha hora para abrir. Não demorou e apareceram membros do sindicato SUD-Culture Solidaires explicando aos desavisados o porquê.
É que desde o dia 15 de dezembro os trabalhadores do Louvre estão empenhados em uma das mais longas greves da história do museu, em resposta ao corte de pessoal e de recursos que vem resultando em condições de trabalho cada vez mais precárias e nisto aqui, nas palavras do sindicato e como se não bastassem as milhares de selfies por dia com a pobre Monalisa: “visitar o Louvre tornou-se uma verdadeira provação”.
“A retirada do apoio estatal às instituições públicas e as políticas neoliberais dos sucessivos governos impuseram um sistema de suposta rentabilidade que promove a massificação e a comercialização da cultura. O aumento generalizado dos preços dos museus e a introdução de uma taxa adicional para pequenos grupos guiados são um duro golpe para os guias profissionais e prejudicam a igualdade de acesso aos serviços de visita guiada”, diz o comunicado do SUD-Culture Solidaires distribuído aos turistas nesta segunda nas entradas do Louvre.
Nesta segunda, o Louvre abriu à tarde, só à tarde, em operação-padrão. Entre as reivindicações dos grevistas está o fim do tarifaço para não-europeus, política que, de novo nas palavras de quem faz a greve — e faz muito bem —, “atropela nossa história republicana e o universalismo fundador do museu”.
Recentemente, a A Liberdade guiando o povo passou por uma restauração que durou seis meses e removeu camadas de verniz oxidado que sufocavam o azul, o branco e o vermelho da bandeira da República francesa.

#253 Felipe Correa // Somatic Collaborative

Archivo de ideas recibidas es un proyecto interdisciplinario de investigación y difusión que busca registrar y relacionar las ideas de personas que contribuyen al ecosistema creativo contemporáneo desde el arte, el diseño y la arquitectura.
El proyecto se construye desde las conversaciones que el equipo sostiene con diversos creadores, en donde se profundizan temas relacionados a la memoria, la academia, el contexto cultural, sus principales influencias y metodologías de trabajo.
Estas conversaciones constituyen el punto de partida para entender a la persona detrás de los proyectos y las ideas que marcan su práctica profesional y creativa.
--
La entrevista esta estructurada a partir de siete temas que funcionan como punto de partida para tocar distintos aspectos de la vida y obra del invitado. Los temas son los siguientes:
1. Presentación
2. Origen
3. Mentores y Maestros / Influencias
4. Lugar memorable
5. Dia a día
6. Docencia / Academia
7. Procesos y aprendizajes
Entrevista realizada por: Asiel Nuñez
Fecha de entrevista: 16.09.25
Lugar de entrevista: Lima, Perú
Edición: Asiel Nuñez
Animación: Asiel Nuñez
Sound effects obtained from https://www.zapsplat.com
Os deserdados da terra e os 140 santos de travertino romano
Na praça de São Pedro, Cidade do Vaticano, 140 santos católicos espreitam do alto a multidão de devotos e a fila imensa para entrar na basílica homônima. Eles, os santos feitos de travertino romano, estão lá desde o fim do século XVII, início do século XVIII. Bem mais recente é a escultura Angels Unawares, inaugurada por Jorge Mario Bergoglio, o Papa Francisco, em 2019.
A escultura fica no lado oposto à entrada do enclave papal, à direita da basílica de São Pedro e, portanto, bem no caminho dos que enfrentaram a fila, finalmente conheceram, emocionaram-se e acabaram de sair do maior e mais importante edifício do catolicismo.
Poucos, porém, pouquíssimos devotos prestam atenção à impressionante escultura de bronze de migrantes flagelados e apinhados numa jangada, representando o sofrimento das pessoas que deixam seus países de origem não para fazer turismo religioso, mas por motivo de guerra, miséria, perseguição, tudo, enfim, o que lhes foi legado pelas potências da “civilização cristã ocidental”.
Angels Unawares é uma obra do escultor canadense Timothy Schmalz. No ano passado, após o assassinato de Charlie Kirk nos EUA, Schmalz homenageou o extremista morto com uma escultura em tamanho real de Kirk nos braços do próprio Cristo. A quem interessar possa, a escultura pode ser vista em uma universidade católica da Flórida, a oito mil quilômetros do Vaticano.
A quem interessar possa, entre as coisas que Charlie Kirk dizia antes de ser assassinado estava, por exemplo, que não conseguia sentir “compaixão como a de Cristo” por imigrantes que, segundo ele, “estão nos EUA há mais de 30 anos e não sabem falar inglês”.
Do lado de fora das muralhas do Vaticano, doentes, descalços e toda sorte de desgraçados pela miséria imploram por misericórdia. A quem vai, a quem vem. Alguns, de tão corcundas e de tanta eczema, parecem Salvatores saídos diretamente de O Nome da Rosa. Às vezes, quem vai, quem vem dá a eles uns trocados. A eles, 140 santos de travertino romano dão as costas.

January Highlights: Conversations That Started 2026
As January draws to a close, we take a look back through some of the conversations we have had so far in 2026.
First, publisher Alessandro Gallenzi joined us to reveal how he turned literary detective and uncovered Dylan Thomas's youthful plagiarism, then Joanna Kavenna explains why she invented a game to write her new novel, Tristram Fane Saunders surveys the poetic landscape and Maria Scott talks us through her discovery of photographs of Jeanne Duval, muse and lover of Charles Baudelaire.
Produced by Charlotte Pardy
Hosted on Acast. See acast.com/privacy for more information.
What’s Wrong with Political Philosophy? Learning from Aristotle
Today it’s the first episode in a new series asking why contemporary political philosophy struggles to make sense of the deepest problems of politics and exploring how the history of ideas might help. David talks to political theorist Paul Sagar about why looking for justice might be the wrong place to start. Instead, Paul suggests we start with Aristotle, for whom the search for justice was the problem not the solution. So what should we do instead?
To keep up with what’s coming next and for more news about the podcast do follow us on Bluesky: @ppfideas.bsky.social
Next time: Learning from Adam Smith
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Live with Lou - Ep. 1 Project Orca Lofting Update

We’ll also open things up for a live Q&A with our Patreon supporters, answering questions about Orca, traditional boatbuilding, design decisions, materials, and shop workflow.
Whether you’re following the Orca build closely or just want to talk boats, woodworking, and problem-solving in the shop, jump in and be part of the conversation.
Check out our new merchandise, including our limited run of ORCA Plaques, at our webstore:
https://tipsfromashipwright.com/store-2/
Thanks for watching, and stay tuned for more hands-on boatbuilding!
We want to thank all our supporters and followers for helping us get this far! Keep following us on this journey and check out our website and social feeds for additional content.
https://tipsfromashipwright.com/
http://www.facebook.com/tipsfromashipwright
https://www.instagram.com/tipsfromashipwright/
https://www.patreon.com/tipsfromashipwright/
- Robin Waldun

- Why You Can’t Picture What's Happening In A Novel - How To Train Your Literary Imagination
Why You Can’t Picture What's Happening In A Novel - How To Train Your Literary Imagination

And this clip is a part of a workshop that I've recently hosted on https://www.amugofinsights.org/ title: The 5 Master Keys to Understanding Literature, and you can now watch the full workshop + demonstration here:
https://www.amugofinsights.org/session-3-the-5-master-keys-to-unlocking-difficult-literature/
Thank you for sticking around when I was taking a break, and starting from next week, we'll be back to posting weekly videos on how to bring back the pleasure & joy of reading and self-education! For now, you can keep up with all updates + new projects from my newsletter over at:
https://www.amugofinsights.org/
K&F CONCEPT Video Tripod VA3+BV60 Review: 72" 22lb Capacity - An Absolute Beast!

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Affiliate links earn us a commission on qualifying purchases.
K&F Concept Video Tripod - https://geni.us/9XQf5
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- Effortless setup with adjustable legs and impressive height for press pools or unique shooting angles.
- Durable build supporting up to 20 lbs—perfect for everything from hybrid cameras to cine units.
- Smooth fluid head with customizable movement controls for precision video shooting.
- Built-in features like a hidden Allen wrench and compatibility with standard Manfrotto plates.
- DIY options for handheld video shooting with a removable triangular handle.
Perfect for wedding photographers, event videographers, and anyone looking for reliable photography gear, the K&F VA3 delivers exceptional value without breaking the bank. While it could use a few extras like a hook or more mounting threads, its overall performance and versatility make it a standout choice.
Want to know more? Let us know your thoughts below, and stay tuned for our latest reviews on photography gear, creative workflows, and what's new in imaging technology!
#k&fva3tripod #tripodreview #affordabletripod #videotripod #k&fconcept
CHAPTERS:
00:00 - Intro
00:15 - Setting Up the Legs
00:46 - Fluid Head Features
01:16 - Hidden Allen Wrench Location
02:09 - Speed Dial Functionality
02:18 - Handholdable Fluid Head Design
03:05 - No 1/4-20 Compatibility
03:33 - K&F Concept Overview
03:54 - Outro
The Sony Travel Lenses You ACTUALLY Need in 2026

Read the full article at https://www.imaging-resource.com/guides/best-travel-lenses-for-sony/
Sony FE 24-70mm f/2.8 GM II - Premium flagship choice - https://geni.us/IiamuA6
Tamron 28-75mm f/2.8 Di III VXD G2 - Best value f/2.8 - https://geni.us/OaQZxA
Sigma 28-70mm f/2.8 DG DN Contemporary - Most compact f/2.8 - https://geni.us/PxDs
*EXTENDED REACH*
Sony FE 24-105mm f/4 G OSS - My go-to all-day lens - https://geni.us/8ddZ
*ULTRA-WIDE ZOOMS*
Samyang/Rokinon AF 14-24mm f/2.8 FE - Lightest option - https://geni.us/tyLXrz
Sony FE 16-35mm f/2.8 GM II - Professional ultra-wide - https://geni.us/8Mtmc
*WIDE & STANDARD PRIMES*
Sony FE 35mm f/1.8 - Compact street photography lens - https://geni.us/1trkk
Sony FE 24mm f/1.4 GM - Premium astrophotography choice - https://geni.us/O4Ywg
Sigma 24mm f/2 DG DN Contemporary - Best value wide prime - https://geni.us/vkKKjO
*TELEPHOTO ZOOMS*
Sony FE 200-600mm f/5.6-6.3 G OSS - Wildlife standard - https://geni.us/HR1BLEu
Sony FE 100-400mm f/4.5-5.6 GM OSS - Premium telephoto - https://geni.us/P7Jv2
Tamron 70-300mm f/4.5-6.3 - Most compact telephoto - https://geni.us/lFgZY
Sigma 100-400mm f/5-6.3 DG DN OS - Best value telephoto - https://geni.us/grT63
Every lens tested hands-on with real-world shooting experience, including wildlife photography in Brazil and astrophotography in Sedona.
#SonyAlpha #TravelPhotography #SonyLenses #CameraGear #PhotographyGear #SonyFE #A7IV #A7RV #TravelLens #PhotographyTips
#sonylenses #travelphotography #sonytravellenses #besttravellenses2026 #sonyfullframe
CHAPTERS:
00:00 - Introduction
00:35 - Best Travel Zoom Lenses for Photography
04:39 - Top Wide and Standard Prime Lenses
06:26 - Best Telephoto Lenses for Wildlife Photography
The War Room newsletter: Mission Maduro—when special ops succeed
The most important lumps of dry mud in history

Massive thanks to Dr. William (Brad) Hafford. Video could not have been made without him. Go check out his channel here @artifactuallyspeaking
Do go check out the Penn Museum if you're interested in Mesopotamia https://www.penn.museum/on-view/galleries-exhibitions/middle-east-galleries
Huge thanks to my generous patrons
https://www.patreon.com/stefanmilo
Watch my videos Ad free only on Nebula
https://go.nebula.tv/stefanmilo
Mamdani to kill the NYC AI chatbot we caught telling businesses to break the law
New York mayor says terminating the ‘unusable’ bot will help close a budget gap
This article is co-reported with THE CITY, a non-profit newsroom that serves the people of New York. Sign up for its newsletter, The Scoop.
In a press conference this week on New York City’s $12 billion budget gap, Mayor Zohran Mamdani zeroed in on the previous administration’s artificial intelligence chatbot as one of “a number of different things we’re going to pursue for savings.”
The chatbot, which was released by the Eric Adams administration in fall of 2023, was meant to provide business owners with an accessible way to check city rules and regulations. But as first documented by The Markup and THE CITY, the bot provided answers that, if followed, would lead to illegal behavior by businesses, like taking a cut of employees’ tips.
A spokesperson for the mayor, Dora Pekec, confirmed in a text message that the new administration plans to take down the chatbot. She said a member of the Mamdani transition team had seen reporting on the bot from The Markup and THE CITY and presented it to the mayor as a possible place to save funds.
At the press conference, Mamdani blamed Adams for the budget shortfall, saying he had been handed “a poisoned chalice.” To close the deficit, he said he would raise taxes on the wealthy and corporations and look “under the hood” of the city’s budget for potential savings.
When pressed by reporters on what he might cut, he singled out the chatbot.
“The previous administration had an AI chatbot that was functionally unusable,” Mamdani said. “It was costing the administration around half a million dollars. That, in and of itself, is not something that can bridge this kind of a gap, but it’s an indication of the ways in which money has been spent while refusing to account for the actual costs of what these programs are.”
The bot, built using Microsoft’s cloud computing platform, was part of an ambitious overhaul of digital services in New York called MyCity. The project was meant to streamline access to government but was criticized for relying on outside contractors.
It wasn’t clear how much it cost to maintain the chatbot. Just building the bot’s foundations reportedly cost nearly $600,000, close to the figure Mamdani provided. Pekec said they didn’t yet have a date for taking down the bot.
A broken bot
Testing by The Markup and THE CITY in 2024 showed that, despite promises from the Adams administration, the chatbot would confidently provide incorrect and potentially harmful information to visitors, even on high-stakes topics.
When asked about housing policy, for example, the bot suggested landlords could discriminate against tenants with Section 8 vouchers. Despite being an intended resource for business owners, the bot didn’t know the minimum wage, and told users it was fine to refuse to accept cash for payment despite a city law to the contrary, enacted in 2020.
After The Markup and THE CITY’s initial report was published, readers continued peppering the bot with sometimes farcical questions, which it continued failing to answer properly. The Adams administration defended the bot, saying it would improve over time.
“We’re identifying what the problems are, we’re gonna fix them, and we’re going to have the best chatbot system on the globe,” Adams said at a press conference. “People are going to come and watch what we’re doing in New York City.”
City administrators soon added disclaimers to the bot advising users to “not use its responses as legal or professional advice.” They also improved some of the bot’s answers, but also appeared to limit the kinds of questions the tool was willing to answer.
Today, the bot advises visitors to “ask an NYC government question only” and cautions that “responses may occasionally produce inaccurate or incomplete content.” Visitors must agree to accept the bot’s limitations before using it.
Update (Feb. 4, 2026): The city has taken down the chatbot, writing on the bot’s web page that its “beta test has ended” and directing visitors to NYC.gov for government information.
Building Orca - Ep. 22: Lofting Pt. 3 - Full Scale Lines

With these corrected, faired offsets, Lou constructs the true Body Plan—an essential reference that will be used to build the molds for Orca's hull. This is where paper drawings become real geometry, and small inaccuracies get resolved before a single piece of wood is cut.
If you’re interested in traditional boatbuilding, lofting, or understanding how lines plans translate into an actual hull, this episode dives deep into the process.
Check out our new merchandise, including our limited run of ORCA Plaques, at our webstore:
https://tipsfromashipwright.com/store-2/
Thanks for watching, and stay tuned for more hands-on boatbuilding!
We want to thank all our supporters and followers for helping us get this far! Keep following us on this journey and check out our website and social feeds for additional content.
https://tipsfromashipwright.com/
http://www.facebook.com/tipsfromashipwright
https://www.instagram.com/tipsfromashipwright/
https://www.patreon.com/tipsfromashipwright/
O que querem os donos dos seus dados? - com Sérgio Amadeu
Como superar esse colonialismo digital e de dados? Existe um caminho para o Brasil garantir sua soberania digital? Essas são algumas das questões levantadas neste episódio do Pauta Pública, que conta com a participação de Sérgio Amadeu. Sociólogo e professor da UFABC, ele é referência no debate sobre tecnologia e sociedade. Amadeu já esteve à frente do Instituto Nacional de Tecnologia da Informação e do Comitê Gestor da Internet no Brasil, além de apresentar o podcast Tecnopolítica.
Ouça agora mesmo o episódio completo e deixe sua opinião nos comentários.
Saiba que você pode ser aliado da Agência Pública e colaborar com esse trabalho. Saiba mais em apoie.apublica.org ou faça um pix de qualquer valor para contato@apublica.org.
Contamos com seu apoio!
#181 Miró da Muribeca, poeta andarilho — Wellington de Melo
Quem foi Miró da Muribeca? Neste episódio do 451 MHz, a colunista Bruna Beber recebe o escritor e biógrafo Wellington de Melo em um passeio pela vida e pelos versos do poeta pernambucano, morto em 2022. Autor de Estou Quase Pronto: Uma Biografia de Miró da Muribeca (Cepe), Melo conta como João Flávio Cordeiro da Silva se tornou o poeta performático que saiu do bairro da Muribeca, em Recife, e rodou o Brasil recitando poemas sobre a vida urbana e a exclusão social.
Apoio: Lei Rouanet – Incentivo a Projetos Culturais
Assine a Quatro Cinco Um por R$ 10/mês: https://bit.ly/Assine451
Seja um Ouvinte Entusiasta e apoie o 451 MHz: https://bit.ly/Assine451
Manchinha, Orelha, esses nomes tão peculiares
No dia 28 de novembro de 2018, uma cadela de rua chamada por todos de Manchinha foi envenenada, espancada e morta no Carrefour de Osasco. Em dezembro daquele ano, a Polícia Civil de São Paulo indiciou um segurança terceirizado do supermercado pelo crime de abuso e maus-tratos a animais.
No tempo entre o crime e a conclusão do inquérito em São Paulo, no Rio a 7ª Vara Cível da Barra da Tijuca precisou determinar que o Carrefour da Barra não praticasse atos que pudessem “ocasionar o extermínio de gatos eventualmente existentes no interior do supermercado”.
O grupo transnacional francês, maior varejista alimentar que opera no Brasil, não foi responsabilizado pela terceirização da atividade-meio, por assim dizer, que deu cabo de Manchinha. Agora, dois empresários de Florianópolis, pais dos frequentadores da Disney que deram cabo de um cão idoso na Praia Brava, em Florianópolis, acabam de ser indiciados pela Polícia Civil de Santa Catarina por coação de um segurança que teria provas do assassinato, o assassinato do Orelha.
Em dezembro de 2018, 20 dias após o assassinato de Manchinha no Carrefour de Osasco, o Carrefour de Osasco pegou fogo. Em uma coincidência impressionante, começa assim o conto “Velório”, do escritor australiano Shaun Tan, que se notabilizou por explicar para as crianças, com sensibilidade ímpar, o quão duro, cão, é o mundo lá fora: “aconteceu um incêndio na casa de um homem que, poucos dias antes, havia matado seu cachorro a pauladas”.
E segue:
“Ele era um homem forte e por isso conseguiu salvar todos seus pertences sozinho, carregando-os da casa para o jardim. Assim que terminou, uma centena de cachorros de todos os tamanhos e formas correu diante das luzes oscilantes, vindos das trevas ao redor, e prontamente sentaram em cima de cada eletrodoméstico e de cada móvel restantes, como se fossem os donos. Além de não deixarem o homem chegar perto e rosnar ferozes quando ele tentava bater neles, ficavam estáticos, olhando impassivelmente para as chamas”.
“O fogo era de uma intensidade surpreendente e a casa veio abaixo em questão de minutos. O homem, enfurecido, saiu procurando uma arma. Como se tivessem entendido, os cachorros pularam para o chão e começaram a circular calmamente pelas trevas enfumaçadas, revezando-se para urinar sobre cada objeto salvo pelo homem. Eles uivaram apenas uma vez, nem muito alto nem muito demorado, mas o uivo continha tanta melancolia que até quem não podia ouvi-lo revirou-se na cama”.
“E então eles se foram, espalhando-se pelas ruas e pelos becos, atentos ao som de suas próprias patas arranhando as calçadas de concreto, o chão que já fora de terra escura e selvagem. Eles não se voltaram para os últimos focos de incêndio na grama, nem mesmo para o homem que retornara segurando um pé de cabra inútil e estava parado sobre as cinzas, sozinho e chorando. Os cachorros só pensavam em seus lares: no cheiro das casinhas quentinhas, nos cobertores macios e nas camas em que os humanos dormiam, aqueles que lhe haviam dado nomes tão peculiares”.
Tipo Manchinha, como Orelha.
O conto “Velório” está no livro infanto-juvenil “Contos de Lugares Distantes”, de Shaun Tan, editado no Brasil pela Cosac Naify. As trevas enfumaçadas estão sempre logo ali, numa “área nobre” de Santa Catarina.

Now You See Me
This week, Maria Scott on recently discovered photographs of Jeanne Duval, muse and lover of Charles Baudelaire; and Pratinav Anil weighs up the case for and against reparations.
'Reparations: Slavery and the tyranny of imaginary guilt', by Nigel Biggar
'The big payback: The case for reparations for slavery and how they would work', by Lenny Henry and Marcus Ryder
Produced by Charlotte Pardy
Hosted on Acast. See acast.com/privacy for more information.










