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Anthropic was the “don’t be evil” of AI for developers. Now he’s squeezing them all

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Claude Code and Claude Opus 4.6 sparked a golden era for developers, who found themselves with a fantastic AI agent and model for their work. Suddenly OpenAI was no longer the trendy company: Anthropic was, which users and developers fell in love and became in the pretty girl of AI. Months later we are seeing how Anthropic is making changes that are being highly criticized and that point to something that we have already seen repeatedly: platforms conquer you and inevitably then the platforms squeeze you. The trigger. On April 2, 2026, Stella Laurenzo, Senior Director in AMD’s AI group, published a text in Claude Code’s GitHub repository titled “Claude Code is useless for complex engineering tasks with February updates.” This directive included a meticulous analysis of almost 6,600 real Claude Code sessions with nearly 235,000 tool calls and about 18,000 reasoning blocks in four different projects. The conclusions were obvious to her: the performance of Claude Code and Claude Opus 4.6 had degraded. The numbers. In this analysis, two periods are shown according to Laurenzo. In the good period, from January to mid-February, the model read 6.6 files for every file it edited. In the theoretically degraded period, from March onwards, that rate had fallen to 2.0 files read. Code edits in files that Claude had not recently reviewed went from 6.2% to 33.7%: one in three changes to the code were being made “blindly.” In addition, the visibility of the reasoning was reduced, from 2,200 characters to only 600 on average, but there is something more. The costs of the process multiplied by 122 in the same period, although it is true that in that period they went from using 1-3 concurrent agents to using 5-10, which complicates the interpretation of the data. Anthropic tries to clarify what happened. Anthropic’s official response It was published by Boris Chernyresponsible for Claude Code. This engineer confirmed two actual product changes: On February 9, Opus 4.6 switched to using so-called “adaptive reasoning” by default. On March 3, the default effort level moved from high to medium, sitting at level 85, which Anthropic describes as “the best balance of intelligence, latency, and cost for most users.” Closed debate. Cherny also spoke of that suspicion that Claude was now hiding “how he thought.” He explained that the change in visible reasoning records is not a real degradation, and the detected header was simply a user interface modification that hid intermediate reasoning to reduce latency without affecting model performance. Laurenzo herself had already foreseen something like this and tried to implement solutions to avoid it, but her data confirmed this drop in performance. Cherny closed the debate as if the issue had been resolved, but it doesn’t seem like it really is. Computing capacity crisis. Thariq Shihipar of Claude Code’s team revealed in March that Anthropic was adjusting session limits to 5 hours during peak hours. That is to say: if there was a lot of demand, your Claude tokens would probably run out faster. He pointed out that the measure would actually only be noticed by 7% of users (the most intensive during those peak hours), and confessed “I know this is frustrating. We will continue to invest in scaling efficiency.” This is contradicted by a comment in the debate on Laurenzo’s post in which explained that “we do not degrade our models to better serve demand, I have said this many times before.” More degradations. They appeared other discoveries and criticismssuch as how Claude Code’s prompt cache had also been drastically reduced (from one hour to five minutes), triggering quota consumption in long programming sessions. Anthropic he indicated to VentureBeat that Team and Enterprise accounts are not affected by these session limits, but the pattern seems increasingly clear: computing is scarce and must be rationed… or at least that is what all these Anthropic measures seem to point to. What remains unclear is whether the quality of the model has actually been degraded, although there are Reddit “megathreads” that also point in that direction. “Nerfing”, nothing. When a company deliberately degrades its service, it is often called “nerfing.” on social networksand criticism in this sense was increasing in the case of Anthropic. Numerous publications of users in X and in media of technology have done reference to Laurenzo’s studio and accused Anthropic of this voluntary degradation of its models. Boris Cherny intervened in at least one case to flatly say that “That’s false” and to explain that they reported the changes and in fact gave users the option to disable it. But rationing exists. In The Wall Street Journal they confirmed that this rationing of computing is certainly occurring among AI platforms due to high demand. We have a good example of the consequences in David Hsu, founder and CEO of Retool. He explained in said newspaper that although he preferred Claude Opus 4.6 to power his AI agent, he recently had to switch to the OpenAI model because “Anthropic keeps crashing all the time.” Prices change (silently). The Information indicated yesterday that Anthropic is changing the way it bills users of Enterprise plans. Instead of a subscription of $200 per month with a “flat rate” for using their AI models, what they will do is charge a base rate of $20 per user per month and to that they will add the consumption of each user with the standard price of their API. Your own updated documentation points it out (“Use is not included in the per-seat rate”) and it is estimated that the change could double or even triple the cost of using Claude for heavy users. The discounts of 10 to 15% on the API that were included in the past and that allowed companies to scale this token consumption in a more affordable way also disappear. Prices per million tokens have not changed, but we went from a “flat rate” (with usage fees) to a pay-per-use model, much more expensive for heavy users. It’s not just Anthropic. … Read more

70% of the world’s salmon comes from farms and their meat should be gray. The industry has been making sure you don’t notice for decades

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In the heart of Tjuvholmen, a small neighborhood located on an even smaller peninsula that runs from Aker Brygge towards the Oslo Fjord, lies The Salmon. It is a restaurant, yes; but above all, it is an interpretation center for Norwegian salmon. There, just before enjoying two dozen different preparations, facilitators explain in detail “the entire salmon process – from smoking to export” and explain to diners “the historical development of salmon farming.” And it is logical. 70% of the salmon consumed in the world comes from aquaculture. Only in the North Atlantic, farms produced more than three million of metric tons in 2025 and Norway is (by far) the main producer. They explain all this in The Salmon; What they don’t explain is the color. Le Salmon, 1866–1869, by Édouard Manet The color? Salmon, in the cultural imagination of the entire world, has a very specific color: a pinkish-orange which, in short, is what we have been calling salmon color. The curious thing is that, under normal conditions, the meat of farmed salmon would be pale gray or whitish. And the reason is very simple: the characteristic color of wild salmon depends on the diet. They are big fans of krill, shrimp and other crustaceans which, in turn, feed on microalgae that produce astaxanthin. That’s what gives them the color. Instead, farmed salmon are fed feed composed of fishmeal, oil, soy, corn gluten and other poultry by-products. None of them have astaxanthin naturally and, therefore, they could not acquire their iconic color. And that, of course, is a problem. Early farmed salmon producers realized that color was difficult to manage. It is true that there is a wild salmon native to Alaska that does not naturally fix astaxanthin in its meat and is sold as a gourmet product. But that is one thing and trying to convince millions of people that this farmed pale salmon is the same (or better) than the wild one is another. Since the 1980s, researchers and producers got to work, discovered the origin of the problem and introduced chemically synthesized astaxanthin into the food chain of farmed salmon. It’s not cheap: these additives represent between 6 and 20% of the cost total feed. But it is necessary. And, by the way, they “tint” them, like the Astaxanthin is a powerful antioxidantfish improve liver function, immune response, fertility and resistance to oxidative stress. And why should we care about all this? Spain is the second largest consumer of fish and seafood in the EU; Salmon, in fact, is one of the most consumed species. The color of salmon is something well known (and completely safe), but it is not something that is usually advertised: the fear of growing distrust towards farmed fish is always there. One of the great food paradoxes of our time. Producers, in fact, have been saying for years that they would lower the amount of astaxanthin if consumers agreed to buy paler salmon. But that doesn’t seem like it’s going to happen: as we’ve seen time and time again, food depends critically on fashions and trends. this pink is in fashion. Image | Katja Ano In Xataka | We are drugging the salmon with cocaine and anxiolytics. And that’s causing them to behave strangely.

If the question is why men don’t wear skirts, the answer lies in the 18th century: the Great Male Renunciation

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We have it so internalized, so assimilated, that perhaps you have never thought about it, but here goes one of those questions that sound like a truism: Why do men and women dress differently? Why is it that when we go to a wedding, a gala or an elegant dinner, it is taken for granted that they will wear a more or less sober suit and discreet colors while they will wear dresses and heels? Why are ‘men’s’ clothes usually more functional than women’s clothes? And already, why don’t we wear skirts, like was wondering recently David Uclés? As is usually the case when we talk about fashion (social trends in general), none of the above is the result of chance or simple whim. Why do you dress the way you dress? Things as they are: if you are a man (at least in the Spain of 2026) and you go to a meeting in a dress and heels, it is quite likely that your colleagues will be surprised to see you cross the door. However, the same clothing on a woman would be considered very normal. Because? That same question was recently asked by the writer David Uclés. And it’s not the first. Before him, others had already slipped it, such as the designer and photographer Ana Locking, who in another recent interview on the SER network encouraged men to be much more risky when selecting their wardrobe. “If you want to feel sexy today, dress sexy. The boys’ legs are super sexy, the boys’ necklines are super sexy. Open your neckline, wear a skirt, some shorts, some ankle boots with a little heel,” encouraged Locking after lamenting that, as they mature, men “clip their wings” when they confront the closet. “What they will say comes into play a little bit, feeling vulnerable.” Is it just social pressure? It depends how you look at it. Fashion in itself is a social construct, but the tendency that leads us men to opt for sober clothing and banish skirts, heels and clothing that may be considered ‘extravagant’ from our wardrobes is explained by another reason: the story. In fact, it is not a guideline that has always been applied. Come take a walk through the Costume Museum or El Prado to prove that when it comes to men’s fashion, sobriety has not always been synonymous with good style or elegance. For example, this canvas of King Philip V with his family painted in 1743 by Louis Michel van Loo or this other work from the end of the 17th century, also preserved in El Prado, and in which Jacob-Ferdinand Voet shows us Luis Francisco de la Cerda, IX Duke of Medinaceli. Is there anything that catches your attention about them? Wigs, high heels and brilli brilli? Exact. If you look at both works you will see that the men wear wigs, heels, stockings, loose jackets that fall almost like skirts, and an abundance of bright colors, the kind of clothing that at that time (late 17th century, first half of the 18th century) denoted status. If you think about it it makes sense. What they show us Jacob-Ferdinand Voet and Louis Michel van Loo They are characters dressed in colorful outfits, although they are not what we would say ‘functional’. But… Why should they be? If anyone could afford that kind of clothing it was aristocrats who didn’t have to work. Who doesn’t like heels? William Kremer explained it well in 2013 on the BBC when reviewing The history of high heels and why men stopped wearing them. Again, it may sound like a far-fetched question, but it actually makes a lot of sense and reveals even more about our history. For centuries heels were worn in the Middle East as part of horse riding clothing. And not only for aesthetic reasons. With them Persian soldiers could stand on the styles, stabilize themselves and adopt a good posture to use the bow. When at the end of the 16th century sha Abbas I of Persia He sent a diplomatic mission to Europe to gather support. The nobles noticed the Persian-style shoe. They liked it so much that over time they began to wear high heels that highlighted their size… and their social rank. And all that with heels? That’s how it is. “One of the best ways to convey status is through the impractical,” commented in 2013 Elizabeth Semmelhack, of the Bata Footwear MuseumToronto. Perhaps heels were not very advisable for walking through the countryside and the paved and potholed streets of the 17th century cities, but did the same nobles who posed for chamber painters dressed in clothes as luxurious as they were cumbersome have to do so? “They don’t work in the fields nor do they have to walk a lot.” Why did they stop being used? Times have changed. And the way of thinking. When they review the history of fashion (especially men’s fashion) historians usually stop at the Enlightenment, between the mid-17th century and the beginning of the 19th century, a time in which intellectuals opted for a way of thinking in which what was rational and useful was prioritized. Also education about privileges. Status is no longer an inherited gift, but the result of training and work. As far as fashion is concerned, this translated into a new sensitivity that favored the use of garments comfortable and functional. In England, for example, even landowners ended up embracing a more practical style, better suited to managing their properties. At least that’s how it was among men. The rational aspect stood out among them; The emotional nature was highlighted in them. Did only the Enlightenment influence? No. The Enlightenment mentality played a crucial role, but historians usually point out an episode that (although inspired by the Enlightenment) is much more specific, both geographically and temporally: the french revolution. Against this backdrop, the way one dressed became more than a simple aesthetic choice or a mark of status. … Read more

The US is already considering withdrawing bases from some European countries. You don’t have to be a genius to know who he’s talking about.

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More than 80,000 soldiers Americans are permanently deployed in Europe, spread across dozens of bases that function as key nodes for operations in the Middle East, Africa and the continent itself. In many cases, these facilities not only have military value, but also generate thousands of jobs and millions in investment local. Therefore, any change in its location usually says much more about global politics than about geography. Spain changes the theater. It we count weeks ago. Spain decided from the beginning of the conflict to mark a clear line: not participate in the war against Iran, nor facilitating the use of bases such as Rota and Morón nor allowing transit of American planes through its airspace. The position, defended by Pedro Sánchez under the argument of avoid escalation and respect international law, was not symbolic but operational, forcing the United States to redesign air routes and military logistics. At the same time, he placed Spain in a unique position within Europe, differentiating itself from other allies that did collaborate, even if in a limited way. That decision, apparently defensive, has ended up having much deeper strategic implications. Washington’s response. A few hours ago and through an exclusive from the Wall Street Journalit was known that Donald Trump’s administration has begun to outline a response that goes beyond rhetoric, with plans to punish allies who did not support the war, reorganizing military deployment American in Europe. The idea is clear: withdraw troops and possibly close bases in countries considered unreliable, while reinforcing the presence in those that did support the operation. In that list of “unfriendly” countries, Spain appears as one of the most obvious cases, not only because its operational refusal but for his open political position against intervention. The consequence is a change in logic in NATO, where support for specific conflicts begins to outweigh formal membership in the alliance. Spain in red. Within this new strategic map, Spain emerges as the clearest example of a break with Washington, having actively blocked military operations and publicly criticized the war. The tensions have not remained at the diplomatic level, with threats of a trade embargo and questions about its defense spending. But what is relevant is that the country goes from being a key logistics partner on the southern flank of Europe to becoming candidate to lose American military presence. In practice, this means that the foundations that for decades have been strategic nodes They could cease to be so or lose strength if the United States decides to prioritize loyalties more aligned with its foreign policy. A military redesign to the east. According to the Journal, the withdrawal in countries like Spain or Germany would be accompanied by a reinforcement in Eastern Europewith destinations such as Poland, Romania and Lithuania gaining weight due to their support for the operation in Iran and their greater commitment to defense. There is no doubt, this movement not only reconfigures the US military presence, but also brings Washington’s forces even closer to the Russian borderincreasing tension with Moscow. At the same time, it turns the war in Iran into a factor that redefines the European security balance, something that until now was dominated by the conflict in Ukraine. The implicit message is that political alignment has direct consequences on military architecture. The political clash. Not only that. After the ceasefire in the war, Sánchez’s statements criticizing the war They have intensified a clash that had already been brewing since the beginning of the conflict. “Ceasefires are always good news. Especially if they lead to a just and lasting peace. But momentary relief cannot make us forget the chaos, destruction and lives lost. The Government of Spain will not applaud those who set the world on fire because they show up with a bucket. What’s up now: diplomacy, international legality and PEACE”, has communicated through networks. Thus, while other European leaders chose to nuances or partial supportsSpain has adopted a frontal stance that has made people uncomfortable especially Washington. This confrontation reflects a broader fracture within the West over how to address conflicts like Iran, and highlights the lack of prior coordination between allies. The war has not only opened a front in the Middle East, but also a political rift in the transatlantic relationship. From sovereign decision to strategic cost. In short, what began as a sovereign decision to avoid getting involved in a war is becoming a possible strategic cost long term for Spain. The truth is that with Trump’s words you never know the actual scopeand although it seems difficult for Washington to want to get rid of such a key node Due to its geographical position, the eventual loss of bases, military investment and weight within the NATO structure could alter Spain’s position in the European security balance. At the same time, it shows how national decisions in global conflicts can have unexpected collateral effects on historical alliances. In this new scenario, Spain has not only said “no” to a warbut could face the consequences of having done so at a key moment for the international order. Image | US Navy In Xataka | The same day that the US threatened Spain and said it did not need the Rota base, the US invested 13 million in expanding the Rota base In Xataka | Spain’s ‘no’ to the use of its bases in the offensive against Iran already has an answer: Trump threatens to “cut off all trade”

A half-ton metal ring fell from the sky in Kenya. More than a year later we still don’t know where it came from

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For years we have talked about the space debris as a distant problemalmost abstract, that occurs far above our heads. We know that, from time to time, some debris from launches or satellites re-enter the atmosphere, although we almost always perceive it as something remote. Until it isn’t. What happened at the end of 2024 In a Kenyan village it was precisely that: the moment when a technical discussion became a tangible fact. A metal object of large dimensions fell from the sky without warning. On December 30, 2024, in the rural area of ​​Mukuku, the object was left lying on the ground after the impact, with dimensions that soon caught the attention of technicians: around 2.5 meters in diameter and an estimated weight of about 500 kilograms. The intervention was quick. Police cordoned off the area and an inter-agency team, led by the Kenya Space Agency (KSA), recovered the remains for analysis. From that point, a complex question arose: what exactly was that piece and where did it come from? Open investigation, official promises and a mystery that remains unsolved Just 48 hours after collecting the remains, the Kenya Space Agency offered a first explanation. In its statement of January 1, 2025the agency indicated that, according to preliminary evaluations, the piece corresponded to a fragment of a space object, specifically a launch vehicle separation ring. It was a relevant conclusion, but partial. The agency did not link the object to any specific rocket and described the incident as isolated, while announcing the opening of an investigation under international legal frameworks that regulate activities in space. The statement from the Kenya Space Agency (click to see the original publication in X) As the days progressed, the case began to generate interpretations beyond the official statements. Some local media, including Nation Africa, They pointed out that the Government of Kenya would have initiated a compensation claim addressed to India, suggesting that the object could be linked to a specific mission. The reaction of the Kenya Space Agency was immediate. On January 3, 2025, The agency denied that information and he was clear in his message: “The alleged compensation claim presented by the Government of Kenya is false and should be ignored.” In that same update, he also stressed that the investigation was still ongoing. With the official investigation without a specific attribution, the case began to attract the attention of independent analysts. One of the most detailed was that of the astrodynamicist Marco Langbroek, from the Technical University of Delft, who explored the possibility that the fragment corresponded to an adapter SYLDA from an Ariane release 2008. Their analysis suggested that the location and timing of impact were compatible with re-entry of that particular object, but also made clear that this was not a conclusive identification. In fact, in a later update of its analysis, it included doubts attributed to Arianespace engineers about that hypothesis, considering that the dimensions did not fit. On paper, the case was not closed in those first days. The KSA assured on January 1, 2025 that its experts would analyze the piece, identify the owner and keep the public informed about next steps. Weeks later, Nation Africa collected Furthermore, the investigation was at an advanced stage and, once concluded, the case would be transferred to the Ministry of Foreign Affairs to hold the owner of the object accountable. However, when following the public trail of that promise, there is no new data. A subsequent resolution on Mukuku does not appear on the agency’s official communications page, so more than a year later there is no official and definitive attribution of the fragment. There is also no new information in local media. If we look at the case with perspective, Mukuku leaves us two clear readings. The first is that space debris is no longer just an orbital phenomenon, but also an issue that, under certain circumstances, can have an impact on the surface. The second has to do with the limits of this type of research. Even when an object of these characteristics reaches land and activates international mechanismsa clear public conclusion is not always reached. We know how the agency described the piece in its preliminary evaluations and we know the main hypotheses that attempted to identify it, but no origin has been officially confirmed. And that void, more than a year later, is still open. Images | KSA In Xataka | Artemis II has a toilet that evacuates the astronauts’ urine into space. The problem is that it has frozen

We know its price and even its name from the most expensive mansion in Spain. The only thing we don’t know is who sells it.

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In Sierra Blanca, the urbanization most exclusive in Marbellawalls do not only delimit properties. They are also silent. It is the unwritten rule of Spanish luxury. The most expensive mansion of the country has just gone on sale with 5,600 square meters of luxuries and opulencewhich does not lack a fountain inspired by the Bellagio casino in Las Vegas. His sale price It is 70 million euros and has absolutely everything, except the answer to the most obvious question: who is selling it? ELON MUSK VS JEFF BEZOS: STAR WARS An oasis of luxury overlooking the Mediterranean As and as highlighted ForbesSierra Blanca is one of the most exclusive urbanizations in Spain and a natural fortress for privacy. Nestled on the slope of the mountain range that gives it its name is Villa Bellagio. The impressive mansion sits on a plot of 14,000 m2 300 meters above sea level. Its gardens mix palm trees, cypresses and native species in a setting designed both for beauty and to keep its tenants out of reach. of curious looks. The 22-meter infinity pool seems to extend to the horizon, with spectacular views over the Mediterranean. A fountain, a replica of the one at the Bellagio hotel-casino in Las Vegas, greets visitors before they even cross the door. The façade, designed by the Spanish architect Jesús del Valle, is impressive with a double staircase flanked by 20 columns up to eight meters high. Engel & Völkers In fact, the house is so ostentatious that it even caught the attention of YouTuber Ibai Llanos, who dedicated it to one of his videos in which he went through it it already showed its details. The mansion was built by Joe Ricotta, founder of a logistics company in the United Kingdom and a luxury real estate developer in Spain. According to the local pressRicotta sold the property (at that time called Villa Ricotta) in 2021. for 40 million euros. However, no one knows the identity of the current owner, faithful to the tradition of discretion that prevails among the residents of the most exclusive urbanization in Spain. Thirteen suites and no random details The interior of the mansion does not disappoint those who arrive expecting opulence and luxury in abundance. The 5,600 m2 built of the mansion are distributed in thirteen suites between its two floors: four of 40 m2 each on the ground floor and eight of up to 50 m2 each on the upper floor. Engel & Völkers Each of the suites has large windows with direct views of the Mediterranean and its own marble-clad bathroom. In total, no less than 24 bathrooms spread throughout the house. The main living room exceeds 200 m2 and connects with a dining room for 14 people and an impressive 60 m2 kitchen with state-of-the-art appliances. Engel & Völkers During his visit to the spectacular mansion, Ibai discovered that the entire house had a centralized home automation system from which the lighting, climate, blinds and sound are controlled in every corner of the house. An in-house electricity generator and several independent water tanks ensure that nothing ever fails, turning the lavish mansion into a self-sustaining bunker. The lower floor is the best example that Villa Bellagio is not a conventional luxury mansion and falls into another category. The spa area includes a heated indoor pool, haman, Finnish sauna, massage room and full gym. Engel & Völkers The leisure offer of the mansion includes a private cinema with capacity for 22 spectators, a double bowling alley of professional sizes, a billiard room with its own bar and a hairdressing and manicure salon for exclusive use. For motor lovers, the mansion reserves its most extravagant chapter: an air-conditioned gallery where to exhibit a collection of up to 12 vehicles as if they were museum pieces, with lighting designed to highlight every detail of their bodies. Underground, a second garage accommodates 40 more cars. In total, 52 places of parking for a collection which, in this context, no one would consider excessive. Engel & Völkers Concierge, cleaning and maintenance services with five-star hotel standards complete the proposal that, more than a home, functions as a private resort. All this behind walls that, as tradition dictates in Sierra Blanca, they reveal nothing about who lives (or has lived) on the other side of the luxurious entrance gate. In Xataka | The most expensive mansion in the world costs 1 billion dollars: the CEO of Citadel is building it in Florida Image | Engel & Völkers

want a sauna at home and don’t have room

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Most of us mortals do not have a sauna at home, we have probably never even considered it. To begin with, it is not something necessary like a shower or bathtub, but they are also very expensive and also take up a lot of space. If you are one of the chosen ones who has considered it and can afford it, but the problem is space, this German company has the solution for you: a retractable sauna. The hidden sauna. It is an invention by Klafs, a sauna manufacturer based in Germany, and will be available in summer at a price not yet confirmed. The innovation of the Klafs S1 is that it is the world’s first retractable sauna. When folded, it has a depth of 60 centimeters which, for context, is the same depth as a PAX wardrobe from IKEA. When we want to use it, we just press a button on its touch panel and magic happens: it extends up to 160 centimeters. In total it takes 45 seconds to deploy. Three sizes. Klafs will market the Sauna S1 in three different widths, depending on how many people will use the sauna. The compact one measures 142cm wide and is suitable for one or two people, the intermediate one goes up to 172cm and can accommodate two or three people, and the large one measures 202cm wide and is for three people. All models have the same depth folded and unfolded (60-160cm). Design and equipment. When folded, the sauna can pass as one more piece of furniture. It is made of walnut wood and the exterior finish can be dark walnut or matte black, which moves away from the classic design of saunas with lighter wooden doors. Inside it has a bench, adjustable lighting and integrated Bluetooth speakers. Heat and steam. The S1 has the same heat and humidity technology as other saunas from the firm. It allows you to choose between four modalities: classic sauna, tropical steam, soft steam and aromatic bath. In steam modes it reaches up to 55% humidity, so it is not considered a Turkish bath, but it is halfway there. Regarding dry heat, the maximum temperature it reaches is 80ºC, which is typical in larger saunas. Of course everything can be controlled from an app. The domestic sauna market. As we said at the beginning, a sauna is not something we usually find in a home, but there is a whole luxury market for those who want to install one at home. Klafs itself offers several models designed for the home environmentbut there are also other brands such as Whipsawwhich has a model that imitates the design of a normal wardrobe. In large areas such as Leroy Merlin Or you can also find home saunas at varying prices, although generally quite high. The most economical are the folding and portable cabins with textile walls such as the Sauna Pod which costs “only” 750 euros. Image | Klafs In Xataka | Louis Vuiton has found the formula for extreme luxury: a mansion on a private island where one night costs more than a car

how to create an interactive list so you don’t forget the things to pack

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Let’s explain to you how to create an interactive packing list with everything you have to carry in your suitcase. We are going to do this with Claudea artificial intelligence which will create a module with elements that you can select when you put them. This list will have a counter in addition to the checks, so always you will know what you have put in and what you still have to put in in your suitcase, and this way you will make sure that you don’t forget anything. There are several ways to proceed, letting Claude create the list automatically for you based on where you are going to go and other information, or by dictating the items you want to have. Automatic packing list First, you can have Claude create the packing list for you automatically. For that, you’re going to have to tell him where you are going, for how many days and the activities What are you going to want to do? You can use a prompt like this: “I want you to make me an interactive packing list. I am going to spend 5 days on the Costa Brava during Easter from April 3 to 6. There will be some hiking, trips to the beach if the weather is good and some dinner at a restaurant. Can you make me a complete suitcase list, including clothes, shoes, toiletries and various items?” The most important thing is indicate that you want it to be an interactive list. When you ask him, Claude will first look for the weather information that there will be during those days, with the temperatures that you will encounter. And based on this data and everything you have said, it will generate your packing list. As you can see, the list will indicate what each thing is for, and there will be counters with which you will know how many items on the list you have added and how much remains to be added. Besides, you can ask it to remove a group of elementssuch as removing the hiking ones because you’ve changed your mind and don’t want to go to the mountains, and Claude will redo the list to your liking. Personalized packing list item by item But if you don’t want Claude to add a bunch of stuff that you might not need, then it’s best to create your personalized packing list with the elements you have in your head. To do this, you will have to ask him for a list telling him the items you want. You can use the following prompt: “I want you to create an interactive packing list for my trip to Dublin from April 23 to 26. It should only have the items that I tell you. I want you to add: Mountain shoes, 4 long-sleeved t-shirts, 2 sweaters, 1 jacket, 2 jeans, 4 underwear and 4 pairs of socks, 1 pajamas, toiletry bag, charger for cell phone and watch, passport, ID, sunglasses.” As you can see, in the prompt we have started by telling you that we want the interactive packing list, and then We have given you the list of items we want to add. Claude himself is in charge of categorizing them. We have also specified the dates and the place we are going, then we will tell you why. When you have the list added, leave that chat and don’t touch anything else. Then, if something else occurs to you, you can go back to the chat and ask him to add or remove thingsand Claude will regenerate this list. A useful trick is that you can ask Claude if you are missing something important on your list. That is why we told him at the beginning where and when we are going, because when you ask him if you are missing something, he will be able to take this information into account and tell you the things that you may be missing. In my case, a trip to Dublin reminded me that I will need a plug adapter, and I took the opportunity to add it. In Xataka Basics | How to create a Claude AI chatbot that responds solely based on your own documents

The rarest chicken in Spain is blue and lives in Extremadura. What we don’t know is for how long

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Human beings are ungrateful animals. For decades, while we miserably worked the land, those blue chickens (rustic, tough and independent) were very good for us. The battered farmhouses of Extremadura, toasted by the sun, extractivism and simple life, were full of them. But then modernity, cities and supermarkets came… and they became a hindrance. Today, despite the fact that in recent years the institutions have stepped up, there will be about 2,000 chicken specimens Extremaduran blue. The Extremadura Blue Hen Breeders Association has 23 farms, but most people raise them for personal consumption or as a simple hobby. It is the rarest chicken in Spain and that, believe me, is saying a lot. A country without half measures. In Spain there are 21 poultry breeds in danger of extinction. This means that 95.4% of all registered native poultry breeds are threatened. In fact, 84% of all native breeds (whether they are birds or not) are in danger. And it is curious because, in short, we live in an unparalleled agricultural power. Spain is the second largest chicken producer of the European continent (only behind the United Kingdom), the third in beef and the first in pork (although swine fever can change this). Although, to tell the truth, it is not that curious. In fact, that is the problem. The emergence of industrial poultry farming since the 50s it was cornering local breeds for the benefit of commercial hybrids specialized in pure and simple production. Therefore, deep down, we are not talking about a problem of great economic magnitude. We are talking about two central issues in the present and the future of the ‘Spain emptied‘: the territorial management model and the question of what we do with genetic heritage. Since its recovery began in 1991 (when only specimens were found in five towns in the region), the situation has improved greatly. But not enough: all those questions are still on the table. And they are not easy questions to answer. Because, and in this case the blue Extremaduran hen, is a good example of the problems that arise as soon as we start working on the matter. because the underlying question is whether a livestock breed can be preserved if no one can make a living from it. And not only because the regulations They are designed for industrial poultry farming (and represents a very considerable obstacle), but for the paradox that hides in a simple Extremadura hen: the realization that not even at the time with greater institutional support (MAPA logo, breeding programs, germplasm banks, etc…) this breed can take its commercial leap. Is it a warning to sailors? Is it the future we have to live? Image | Mentxuwiki In Xataka | China is so clear that the future of pork lies in ‘skyscraper farms’ that it is doing something: taking them to other countries

The problem with microrobots is that they don’t have a “brain.” The solution has been to use Einstein’s relativity to guide them

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Making robots the size of a piece of human hair is already a reality, but it faces a big problem: they are too small to bring a “brain” on board. And it is logical, since on a microscopic scale there is no space to insert a microchip, batteries or navigation systems, so in a few words we can talk about “dumb robots” that only react to basic stimuli. But here the Einstein’s relativity has given a small solution. The solution. One of the functions of these small robots is precisely in be able to navigate the bloodstream to react to different stimuli. But the big question here is how they can navigate a bloodstream without colliding with each other. Something that was on the mind of a team of researchers from the University of Pennsylvania what have you seen that the key is not in making robots smarter, but in manipulating the “spacetime” through which they move. To understand this thread, you have to think about how gravity works according to the theory of general relativity. Here Einstein taught us that planets do not revolve around the sun because an invisible force pulls them, but because the mass of the Sun curves the fabric of spacetime, as with the Earth, which follows the easiest path through that curved space. To biology. Here the researchers wanted to apply this same mathematical principle to microrobotics, introducing the concept of “artificial spacetimes”. And since microscopic robots move in response to light, the scientists designed light fields projected onto a Petri dish that mimic the curvature of spacetime. In this way, the variations in light they faced acted like “artificial gravity.” In this way, the robot does not need to know where it is or where it is going. It simply turns on and moves forward, since it is the light pattern that “pushes” it to curve its path to avoid obstacles or find the exit from a maze, exactly like a ray of light curves when passing near a massive object in the cosmos. It seems like magic. In the experiment proposed by the researchers, different two-dimensional light labyrinths are projected. In this virtual scenario, they created dark areas that mathematically act as “black holes”, since when the microrobot approaches these areas, the equations that govern your response to light They are formally identical to those of the path of light falling through an extreme gravitational field. In this way, when the microrobot approaches these areas, the equations that govern its response to light are formally identical to those of the path of light falling through an extreme gravitational field. From here, using mapping, scientists managed to get these robots to ‘patrol’ specific areas, avoid obstacles and group together at an exact point. And the most interesting thing is that all this happens without a single processing chip on board the robot, since the “calculation” falls entirely on the geometry of the projected environment. A future doctor. The implications of this advance will now allow microrobots to be freed from the need to have a computer system inside them, which means they can be manufactured cheaply and even made even smaller. From here opens the door to very important medical applicationssince millions of these “reactive robots” can be injected into the human body. The objective here is to use external fields such as magnetic fields that act as a curved spacetime that allows them to move through our circulatory system to release a drug, clean arteries or perform biopsies at the cellular level. Images | Ruben Sukatendel In Xataka | Robots have a problem that no one has solved in decades: they get lost. A Spanish engineer believes she has found the key

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