Mobile Tech & Gadgets

1,800 years ago China had one of the most intriguing technologies. Now is the point of resuscitating the dragon that detects earthquakes

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Almost two thousand years ago, during the Han dynastythe Chinese scholar ZHANG HENG He designed a device that, according to historical chronicles, could detect distant earthquakes and even point out his address. That invention, called HouFeng Didong Yiit was a mechanical gadget that had the dragon as the main actor. Now China is about to resurrect what a legend was believed. A erased prodigy of time. We talk about a mechanical system (an ornate vessel surrounded by eight dragons with suspended bronze balls, oriented towards mouths of toads) that would have been able to register imperceptible earthquakes in Luoyang, the imperial capital, with a precision that “touched the divine”, according to THE BOOK OF THE Subsections. However, its sudden disappearance of historical records and the impossibility of replicating it exactly led to its total elimination of the Chinese educational curriculum in 2017, relegating it to the field of legend. Today, a team led by Professor Xu Guodongfrom the Hebei Disaster Prevention Institute, seeks to recover not only its operation, but also Your place in history of science. The rebirth of a prodigious machine. To the question: How the hell will they replicate it? The researchers They explain that from ancient literary fragments and principles of modern structural dynamics. Thus, Xu and his team have proposed a functional model of the earthquakescomposed of three key subsystems: structure of excitementtransmission and closure. In the heart of the device he was A “Capital Pilar” that should not be interpreted as an unstable column, but as a pendulum -like arm (a kind of gigantic stick anchored to the ground) that amplified the seismic vibrations. With just 1 mm of displacement at the base, the tip of the pendulum moved up to five times more, activating a “L” levers system that released a ball in the mouth of the toad corresponding to the direction of the epicenter. A blocking mechanism prevented other dragons from reacting, thus respecting the Original description of “a dragon who speaks and seven that shut up.” Mathematical Wisdom. Team simulations indicate that the system responded reliably to displacements just 0.5 mmwithout emitting false alarms. Although modern knowledge of propagation of seismic waves suggest that a single instrument cannot determine with total precision the direction of the epicenter, Xu argues that the Historical records coincide with optimal geological alignments. As proof, appointment The Longxi earthquake From the year 138 AD, when the instrument would have detected a tremor 850 kilometers away, without feeling in Luoyang. The initial skepticism of the officials vanished when messengers on horseback confirmed The shaking days later. Even more revealing, he explains, is the jump in the frequency of earthquakes registered in the capital after the implementation of the artifact: in the previous 8 years they were only documented three local earthquakes; In the 58 years later, there were 23, in a region considered low seismicity. Zhang HENG: astronomer and political victim. ZHANG HENG It was not any inventor. His appointment as a great imperial astrologer in 115 (a position equivalent to the director of a modern national observatory) and his creation of an armilar sphere Able to map the sky with precision, they prove their domain in mathematics, astronomy and mechanics. But his invention could have been politically uncomfortable. In a context where natural disasters were interpreted as signals from heaven and threats to the mandate of the emperor, an instrument that “predicts” earthquakes could have been seen as subversive. Some scholars suggest that HENG’s abrupt retirement in 138 and his death the following year They were not casual. Xu duck that the loss of the original earthquakes (along with its technical diagrams) could be due to wars, political chaos or even the greed of powerful aristocratic families that would have hidden its existence. Recovered legacy. In a gesture loaded with symbolism, xu He recalled that only two bronze objects have been defined in Chinese history: Nine cauldrons of the Xia dynasty and this earthquakes. Now, the objective is ambitious: rebuilding the instrument using only materials and technical Advanced knowledge reached in ancient China. Beyond the material restoration, the project aspires to reinsert this jewel of engineering in the global narrative of science, as proof that humanity had already tried, long before satellites or artificial intelligence, unravel the Mysteries of the tremor From Earth. Along the way, the Heng’s featerased for centuries of oblivion, it could be closer to recovering its place among the great milestones of human thought. Image | KowlooneseSSPL In Xataka | The most revolutionary and rare writing machine was lost in 1940. Until someone received a message In Xataka | Of the Wright brothers to Wu Zhongyuan, a homemade helicopter

A large mass of cold air on our heads

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The first half of the summer of 2025 was of intense heat. Now, those days seem distant for many: temperatures have descended significantly and everything indicates that they will remain for a while. The responsible: a large mass of cold air. A cold dough. Temperatures this week They will continue to be low In a good part of the country, according to expert forecasts. At least for what would correspond to this time of the year: the last days of July and early August is precisely where the cannula is usually given, the summer point in which the temperature peak is reached. The reason is in a large mass of cold air located on Western Europe and that also covers part of the Iberian Peninsula. Behind this situation are the undulations of the polar jet. A more undulating jet current of what is usually common is responsible for bringing to our latitudes this mass of cold air and the consequent atmospheric instability. More than fresh air. The low temperatures at this time of the year are striking in themselves, but they are not alone: in some areas it is expected that rainfall and storms continue during this week, although for now it is not expected to reach the intensity of The episodes seen last week. The forecasts From the State Meteorology Agency (Aemet) they talk about “abundant” rainfall today in the Eastern Cantabrian and North of the Pyrenees, With yellow warnings activated in eastern Catalonia. A situation that will be similar tomorrow, with rainfall also in the area of Cabo de la Nao and again with notices for rains activated on the Catalan coast. On the border. The situation will not be homogeneous. Not much less. While the north of the Peninsula and the Mediterranean basin experience a thermal decrease, temperatures will exceed the fork of the 34º to 36º in the southwest quadrant, especially inside. Aemet has activated various notices due to high temperatures in these areas, among which orange notices (important risk) in the valleys of Guadiana and Guadalquivir. The maximum could reach 41º in areas such as the Cordoba countryside. A warm August. We do not know exactly when this “cold episode” will end but Medium -term reviews indicate A second half of August in which temperatures could be warmer again than usual. We will have to wait to verify the evolution, but for now what seems safe is that this year’s canicle will not be how we could have anticipated a few weeks ago. In Xataka | What came fast, fast is going: the big basins already have their reservoirs less than 80% of their capacity Image | ECMWF

The decisive moments of our economic life

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The Swedish background EQT paid a few days ago 2,000 million euros for Adevintacompany specialized in classified advertisement portals. In the background you can see a pattern in the purchases that EQT has made on Spanish soil. He has bought something that Silicon Valley could never create: the exact moment in which the Spaniards change his life. Why is it important. ADEVINTA Spain (Fotocasa, Milanuncios, Infojobs, Cars.net) It is not a company that competes against large technological ones. Rather it complements them. When we look for a floor, work or sell the car, we are not going to Amazon, neither to Instagram or Google. We go to Spanish portals that have been dominating those important moments of our economic life for decades. In figures. Among the six portals … They receive 146 million visits per month. And add 18 million unique users. They generate 225 million euros a year. With just over 1,600 employees. Its valuation, of 2,000 million euros, places them above many startups that presume to be disruptive. The context. EQT knows the business and land well. Controls 18% idealist after sell it to Cinven for 2.9 billion in 2024. It also has the European University and Freepik As a majority shareholder. Its strategy is clear: buy the decisive moments of Spanish digital life. Between the lines. This operation values national technological success. The Spanish portals have resisted the arrival of giants, mostly Americans, because they understood that it is not enough to have the best technology if you do not understand the cultural factor. In this case, the way in which Spaniards look for work, house, car, motorcycle. The threat. For years there was fear that Google, Amazon or Facebook swept this Spanish ecosystem. It did not happen. The Marketplaces premises built something more valuable than algorithms: trust, cultural proximity. When we want to sell something, we have turned to Milanuncios Oa Wallapop (outside this equation, but also Spanish). Vinted is also dominating second -hand fashion, but “only” that niche. Facebook Marketplace never went too far in our country. Yes, but. Consolidation always has its risks. EQT adds Adevinta to his participation in idealist. That is, it concentrates power in the portals that the Spaniards use the most. Less competition that usually derives to upward prices for publishing ads. The money trail. Blackstone and Permira bought Adevinta For 14,000 million in 2024. They now sell Spain for 2,000 million, staying with Germany, France, Holland and Italy. It is the classic strategy: chop and sell in parts to maximize value. A typical movement of investment funds. EQT promises to boost innovation and AI in the portals, but its true business is another: better monetize the moments in which the Spaniards need to change their lives. And those moments, by definition, cannot be shaken from the outside. In Xataka | Buy second -hand car: what to look and take into account before buying Outstanding image |

The Samsung chips manufacturing subsidiary walks on the tightrope. Tesla will save her from collapse

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Samsung has reached an agreement with Tesla. An important agreement. According to Bloombergthese two companies have signed a commitment that will run until 2033 and for which the subsidiary specialized in the manufacture of integrated circuits of this South Korean company will produce for Tesla chips for a value of 16.5 billion dollars in its Texas plant (USA). Not bad at all, especially if we are in mind that Samsung urgently needs that its semiconductor division Increase your presence in the market. Jay Y. Lee, the president of this company, sent in the middle of last March An internal statement in which it synthesizes with great precision what this company faces: “Our technological advantage has been compromised in all our businesses. It is difficult to see that efforts are being made to boost great innovations or assume new challenges. There are only attempts to maintain the status quo instead of generating disruptive changes. “ The Samsung subsidiary specialized in the manufacture of semiconductors is largely the company’s engine, and to recover health it is essential that its competitiveness increases. However, to carry it out it is necessary that its integration technology of 2 nm pelee from you to you both with the equivalent lithography of Intel, and, above all, with that of TSMC. However, Samsung’s starting point is favorable. And it is because He has been working in which it is undoubtedly The most important photolithography in its history. The 2 nm are crucial Samsung has led for more than three decades the industry of integrated dram circuits, but the rise of the artificial intelligence (AI) has triggered something that just two or three years ago would have seemed unthinkable: now it is also the South Korean SK Hynix the manufacturer of integrated memory circuits that LEADS THE HBM Chips Market so much (High Bandwidth Memory) that work side by side with the GPUs for the The one of the DRAM memories. Chips manufacturers need the candlestick performance of their avant -garde nodes to be at least 70% In current circumstances it is evident that Samsung needs to trace as soon as possible. And it seems that it is in it. At the beginning of 2025 several South Korean media anticipated that Large scale manufacturing of 2 nm chips It had already begun in the company’s South Korean plants. However, this does not mean that Samsung already has everything tied. Chips manufacturers need The performance by wafer of his avant -garde nodes is at least 70%and, according to the South Korean newspaper Munhwa Ilbothis company currently moves in the range of 40 to 50%. Even so, the Japanese chips designer for the preferred networks (PFN) and a South Korean company specialized in the design of neuronal processing units (NPU) They were already interested in early 2025 in which Samsung manufactured his designs in his new 2 nm node. There is no doubt that at the delicate moment this company is going through, having several agreements tied before its competitors initiate large -scale production with equivalent photolithographs is very important. However, this is not all. And is that just five months after that news the South Korean medium Chosunbizwhich in the matter of semiconductors does not usually give stitch without a thread, said Samsung I had already started the evidence In its 2 Nm node For Nvidia and Qualcomm. This test process does not guarantee that Samsung is finally going to manufacture integrated 2 Nm circuits for these two US companies, but their interest in the technology of this South Korean company is an oxygen ball. There is no doubt about that. Image | Samsung More information | Bloomberg In Xataka | This is the chips war: a former SK Hynix employee is suspected to deliver stolen technology to Huawei

Airplanes are releasing tons of food on a familic gaza. There are those who believe it is a bad idea

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In full controversy for the famine that shakes the population of the Gaza Strip, Israel has decided Open your hand and guarantee “humanitarian pauses” and safe routes to facilitate food distribution in the area. The first thing we have seen however is something different: airplanes throwing food From the air, a measure that revives A controversy that already sounded strongly Just a year ago: Does the air cast really work? Is it real aid or is counterproductive? Something is clear: Mathematics They indicate that it is not the most effective way. What happened? That after days of controversy, marked by the publication of photographs in which they see familic Palestinian children and the hardening of the position of Germany, the United Kingdom and France, which They claim The end of the war (and the humanitarian crisis) in Gaza, Israel has decided to move card. On Sunday his army advertisement A series of “humanitarian pauses” in several points of the strip for ten hours a day to “increase the help” in the region. “Safe” breaks and routes. On paper, the objective is to facilitate the arrival of resources to help the population of the Strip, which faces a serious malnutrition crisis denounced among other organizations by the UN. The Israel Defense Forces (FDI) argue that “humanitarian pauses”, added to the creation of “safe routes”, will allow “Improve the humanitarian response”. The decision comes, however, in a very specific context: in the midst of an intense inertnational controversy due to the famine suffering from thousands of families from Gaza and the voices that accuse the Israel of being responsible for the crisis. The Netanyahu executive denies it and holds that humanitarian corridors “refute the false statement” of an “intentional famine”. In the opposite pole, Hamas alleges that Israel does not seek to stop the crisis in the strip, but “bleach her image”. A fact: 470,000 people. The UN World Food Program (WFP) Calculate that 100% of the population of Gaza faces “acute levels of food insecurity” and specifies that there are 470,000 people to the “catastrophic hunger”. “71,000 children and more than 17,000 mothers will require urgent treatment due to acute malnutrition,” prevent From the organism. The WPF is not the only one who has warned of the very serious crisis that crosses the strip. The Ministry of Health of Gaza, under Hamas control, Calculate That since the beginning of the Israeli offensive, in 2023, 133 people have died for malnutrition. Only so far in July the deceased They exceed 60. Click on the image to go to Tweet. What is the situation? The WFP warns That hunger in the strip “has increased dramatically” since in March the entry of aid in the region was prevented, “reversing the progress” achieved during the brief high the fire of the beginning of the year. In May, he remembers, the “limited” cast resumed, but has not served to stop the crisis. The UN says that since then it has only been able to deliver “small quantities” even though it has 116,000 t of food “lists”. Does Just two months The food distribution was activated by the Humanitarian Foundation of Gaza (GHF), an organization backed by Israel and the US that was launched between the suspicion of other international institutions. The person in charge of the United Nations Help Coordination, Tom Fletcher, He came to cross out of “cynical parody”, “a cover -up for greater violence and displacement” of the Palestinians within the territory. Looking at heaven. In the midst of the growing international controversy for the famine of Gaza, Israel has not only announced “tactical pauses” and “humanitarian runners” to facilitate the distribution of help in Gaza. He has also announced that he will connect a desalination plant to his electricity grid and has resumed the help of help from the air, a scene that already We saw in 2024. On Sunday at dawn Israel carried out an operation wishes, with the help of airplanes. Jordan and United Arab Emirates They were added throughout the following hours. According to Reutersin total they dropped 25 tons of help. A controversial decision. However, the use of aircraft and aerial launches will hardly help placate the controversy. Rather on the contrary. In 2024 about twenty humanitarian organizations They criticized That kind of deliveries in Gaza (both the aerial and maritime) by considering that “they are not an” real alternative to the most effective way and that, in their opinion, it should be a priority: the land. “Governments cannot hide behind aerial releases and efforts to open a maritime corridor in order to create the illusion that they are doing enough to support Gaza’s needs,” they warned in A statement NGOs, including Amnesty International or Oxfam. Click on the image to go to Tweet. Why do they reject them? The problem is not only of image or that air distributs are used as a way of avoiding the real focus of the problem. NGOs question their real utility warn that the capacity of airplanes is very limited. “Air releases cannot provide assistance volumes that can be transported by land,” They influenced last year. “While a five truck convoy has the capacity to transport about one hundred tons of vital assistance, recent air releases only deliver a few tons of help each,” They argue. The BBC He has made accounts And it has come to the conclusion that, given the situation in Gaza, 160 aircraft would be needed to supply a volume of food that guarantees that the gazaties will have a meal a day. The US Central Command estimates that in 2024 its C-130 load aircraft delivered 12,650 meals by plane and trip. “Extremely dangerous”. There is another reason why NGOs mislead air deliveries: safety. “The releases can be extremely dangerous for the lives of civilians who come in search of help. They have been reported dead by the free fall of help packages in gaza,” They warn The NGOs. The BBC He has interviewed To experts who … Read more

a show similar to wrestling

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The evening 5 It was finally celebrated This last Saturday, and as expected, he was not exempt from controversy: of all the fighting, no doubt one of those who generated more expectation for the characteristics of the combatants was that of Abby against Roro. More than a confrontation, almost a declaration of intentions of the event and the response to many doubts about what the evening has in common and what not with traditional sport. The fight. The two boxers appeared to combat after notable sacrifices: Roro in a spectacular physical form and Abby forced to get off the 57 kilos to compete. The stature difference forced Roro to go back to Abby to corner her, while he made a first and third higher assaults, connecting more blows to his rival. In addition, Roro fractured the leg with which he had already had problems during his training. Finally, The jury failed in favor of Abbywhat generated boos for the winner, who had already been booed at her entrance to the ring. Because here not everything is related to sport. Sport theft. The real battle had begun long before they both climbed into the ring. From the first instant, the public made clear his preference for Roro, plasma some live some previous surveys of the organization that gave 78% support to this. Abby’s boos were constant, even at the time she was declared winner. The perception of “theft”, one of the many inherited attitudes of traditional sport and serves the fans of a team to justify their defeat, in a perfectly normalized vocabulary between the press and specialized journalists. Inevitable politicization. They end in this way of configuring the papers that the two boxers have played since the combat was announced and that transcend the merely sports: Abby had criticized Roro In different interventions to foster the conservative role to please a man and call it “anti -inferable”while his rival has become the last year in Spanish symbol of the “Tradwife” movementa vision of the traditional woman subordinated to her husband. Each one has found their audience niche in the opposite extremes of the ideological spectrum, and the evening offered them the opportunity to settle their symbolic differences in a format with great media attention. A round business. At this point, it is clear that the evening business model goes far beyond the mere sports confrontation: it is not a sporting event that is monetized, but an entertainment product that uses sport as a narrative vehicle. With 80,000 carduja attendees (5 million euros of benefitonly on that side) and a large number of first -line sponsors and with very clear intentions (Revolut, Fintech aimed at young people; Spotify, which dominates digital musical consumption; Grefusa, who wants to rejuvenate his image), to which he adds An extra million euros Arriving from Twitch. Sport as narrative. With those figures, it is very clear that the evening’s proposal has to go far beyond a mere boxing combat: to begin with, unlike other sports, the result matters less than the process. Boxers are rewarded with about 100,000 euros For combat, much more than an amateur boxer charges: they are being paid for their value as entertainment, and because each of them contributes their own narratives and their own conflicts, as it has happened with Abby and Roro and a confrontation that came from before. And it will continue to be like that: exposing yourself in the evening provides content for months, stories to tell, narratives to exploit (Abby has already published a video that recorded a month before combat, In a especially low mood). The combat lasts three assaults, but the media value extends throughout the following year. What comes from sport. Although it might seem that all these dynamics are pleased with professional sport, nothing farther from reality. Above all we have the very clear influence of American wrestling, also More Varietés show than technique exhibition. But on the other hand, there is having found a reef in sports controversies, something that specialized media knows perfectly that it sells more than the numerical result of the Derbies. Training matter. Ibai knows very well the springs that move passions in football and has transferred it to the evening: customize athletes and turn them into fallible heroes with a narrative that also polarizes the public. All this is present in traditional football, and that is why training in the narrative of the evening acquires so much importance: months and months of physical evolution followed by heartwith innumerable previous meetings between The rivals that they primed a story not scripted, but almost. The technique is the least. In the digital age, personalities sell more than skills, and the evening has understood it perfectly. The public prefers to see someone known doing something they do not know how to do, as with most of the Streamers They participate, before a stranger being excellent in his specialty. Success and international copies which is generating Ibai’s invention are the perfect proof that the evening is much more than a few boxing fights between fans. Header | The evening In Xataka | Ibai is going to launch its own football team to start from the lowest. There is actually a very thoughtful strategy

at 75 -inch Samsung Smart TV price

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When it comes to large televisions, it is difficult to find them at good prices. To do this, the best thing we can do is expect one of those offers to be left not to escape. Today Amazon has one of them for a Samsung television: its PVP was 1,169 euros, it had cost 852 euros and now we have it available for only 599.80 euros. Yes indeed, It looks like it will fly. Samsung TV Crystal UHD 4K 2024 75DU8505 75 “Smart TV with incredible colors, the best Smart TV, Peana with adjustable height and Q-Symphony * Some price may have changed from the last review A huge and high quality TV With this offer, this Smart TV Samsung is placed with a value for money rather than outstanding. This is the 75DU8505 model, released in the past 2024 and with a diagonal of 75 inches. With that size, it is a model that is ideal for medium or large sizes, whether we want to place it on a table or furniture, as if we want to position it on the wall. As usual on the televisions of the South Korean firm, we will have a quality experience with us Thanks to the Tizen operating system. This will give us access to applications of all kinds, including the most common such as YouTube, Netflix or Amazon Prime Video, among others. In addition, it also has Gaming Hub, which will let us play Xbox Game Pass without the need for any console. Television, in addition to having 4K resolution, is also compatible with HDR. Besides, It has compatibility with Q-Symphonyso if we match it with a Samsung sound bar, we will have a great sound. A television of many carats that, This Amazon offerleaves us at a great price if we are looking for a new TV. You may also be interested in these accessories Amazon Fire TV Stick 4K Max (last generation), streaming device compatible with Wi-Fi 6e and Environmental Fund * Some price may have changed from the last review Sony Bravia Theater Bar 6 with Subwoofer, 3.1.2ch Wrapping Sound, Ascending beam speakers, Dolby Atmos, Dts: X, Voice Zoom 3 With AI, Dsee, easy configuration * Some price may have changed from the last review Some of the links of this article are affiliated and can report a benefit to Xataka. In case of non -availability, offers may vary. Images | Samsung In Xataka | Best home film projectors. Which to buy and five recommended models from 299 to 18,000 euros In Xataka | Mega-guide to ride a home cinema: projector, screen, sound system and more

Renfe trusted the Avril trains to face the Low Cost of Ouigo and Iro. They do not stop giving problems

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When the competition has pressed, Renfe has seen how his commitment to a low -cost service to the AVE had been as necessary. The problem is that this service, called Avlo, is operated by trains that in just over a year have not stopped giving problems. Retired avlos. It has returned to normal with the five Avlo trains frequencies between Madrid and Barcelona for the month of August but for a few days the cheap offer of the company in the corridor faded completely. First the five trains retired. Then the frequency was in three options in the day. Finally, they can already be bought normally. It is what Víctor de Elena accountjournalist electionomista.eswho had written an article last Friday explaining that Renfe had stopped offering his services of the Avlo line between Madrid and Barcelona. Since last Friday, when the information was published, the sale of tickets has been returning to normal. What happened? Everything indicates that Renfe has been putting patches to a complicated situation. He explained about Elena that Renfe had found a fissure in one of the components of the Bogies of an Avril train. This would have caused that, temporarily, it would be suspended The sale of all Avlo tickets in Madrid-Barcelona. Hours later, Renfe sources would confirm to the medium that during one of the maintenance reviews last Monday, July 21, one of the five 106 series presented “a fissure in an element of the tractor bogie called a bast.” Subsequently, a review of the five trains that serve and the affected systems were replaced. Now, according to Renfe “trains are operating without any anomaly.” More slowly. The trains operate, yes, but below the expected speed. They point out in electionomista.es That according to the State Railway and Adif Security Agency, Renfe operates the trains at 250 km/h of maximum speed, instead of the 300 km/ha those who were operating in a stretch of 190 kilometers that extends between Puerta de Atocha and Ariza (Zaragoza). In your communicationRenfe points out that the company “through its Renfe Travelers and Renfe engineering and maintenance, as a railway company and entity in charge of maintenance, respectively, as well as Talgo in its condition as manufacturer and the State Railway Security Agency, guarantee that the circulation and operation of trains is carried out with total security for travelers.” In the statement they point out that the offer is being reorganized with the S106 trains but do not specify anything about the speed at which trains circulate and emphasize that the sale of tickets is being made “normally.” In Xataka We have contacted the company but so far we have not obtained an answer. The Avril. The S106 series in which the fault has been detected corresponds to the trains known as Avril. Trains that since they were launched in 2024 They have caused various incidents. The S106 series It is designed by Renfe to fight the lowcost but also to be able to offer a service in Galicia that You will not have competition in the short term. For this last line, Renfe has 15 trains in his hands that can change the wide track automatically. Then, it has another 15 trains to operate between Madrid and Barcelona. Of the latter, they carry the specifications to operate as AVE but in five other trains the places have increased from 507 to 581 seats and thus be able to compete as a low cost option. A controversial arrival. When the Avril trains made an appearance they have already arrived surrounded by controversy. They launched in May 2024 but The material had been delivered with three years delay. Then, of the 30 trains, 12 of them had been delivered in a first lot. The first steps of the Avril were not the best. They promised to improve the connection between Galicia and Madrid but in the first days they registered delays of more than two hours and in later days of more than 30 minutes. Neither In the Asturian line The promised time sales were being fulfilled. But, in addition, the trains did not like among the experts either. Accounts in social networks that follow the current world of the train and its novelties portrayed the excess noise and vibrationsas well as They questioned the quality of some materials used in the rolling material. More incidents. The incidents did not stay here. Above all, Avril trains are remembered by the fault in the Galician line that on the first day of this year he left thousands of passengers on the ground or in the middle of nowhere. In a kind of “2000 effect”, trains were retained by a software problem With the year jump. And Barcelona-Madrid has not been the only one. Just a few days ago, a S106 series train collapsed at low speed at the Gijón station without consequences for travelers. At the moment, Renfe has not given explanations about what happened. Photo | André Marques 432 In Xataka | “In 1961 it took Bilbao for three hours and five minutes. Now it takes three and ten”: Cantabria and the drama of Spain with the train

Jeff Bezos and his millionaire neighbors live on a luxurious artificial island to which something basic is missing: he has no sewerage

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Indian Creek It is an artificial island on the Miami coast known for its multimillionaire residents and its extraordinary privacy. That has given him the nickname Billionaire Bunker. Figures like Jeff Bezos (Jeff Bezos, in fact, bought three mansions on the island and is building its main residence), Tom Brady, Ivanka Trump and even Julio Iglesias They have bought properties in this exclusive enclave. The island is connected to the continent only by a small bridge guarded by its own police, which makes it one of the most closed and monitored communities in the United States. However, as highlighted in The local pressin this luxurious paradise where most mansions have an average of 10 bathrooms, no one has taken into account How to delete properly the waste they generate. Millionaires in a Ciénaga. By not having sewerage infrastructure given the isolated character of the enclave, Indian Creek’s homes depend on individual septic tanks, located dangerously close to Bay of Biscay. This proximity has turned the graves into a constant source of pollution. According to published The New York Timesa 2018 study already warned of the high pollution indices of these septic tanks due to the sewage leaks To the bay. These leaks not only affect Water health that surround the island, but also to marine ecosystems. Neighbor, do you have a sewer left over? Given this situation, the Indian Creek government raised a possible solution: send its wastewater to the sewerage system of the neighboring town, Surfside, located on the other side of the bridge that communicates them with the mainland. However, Surfside responded in a diplomatic but firm way. Connect to the sewerage system that have paid and maintained their neighbors has a cost: 10 million dollars. For his part, Indian Creek considered the petition as an act of “extortion” and decided to look for alternatives that would not imply paying the neighbors the 10 million dollars hitch rate. The law of the sewer. One of these alternatives is to raise a claim to the government of the state of Florida since there is a state law that would force surfesides to accept the wastewater of its military neighbors to Eliminate septic tanks. According to that law, conveniently approved in June 2025, includes a provision that prohibits municipalities from blocking or charging for certain sewerage connections. According to published he Miami Heraldthis measure would prevent localities such as Surfside to reject projects such as Indian Creek or impose connection tolls to their sewerage lines, although they directly affect their urban infrastructure. If you use our sewers you are one of ours. In response, Surfside authorities raised a legal counterpart: if an acceptable agreement was not reached, they could contemplate the possibility of annexing Indian Creek to their municipality, so that both entities share fiscal and maintenance obligations. According to surfeside leaders, the Urban growth and the environmental pressure generated by Indian Creek justifies a formal solution and a common responsibility. Both populations are communicated by a bridge, so all the traffic and services that the island of the Millionaires needs compulsively passes through the streets of Surfsis. A private pipe. Rejecting the idea of annexation to Surfside, Indian Creek has designed an independent infrastructure project that consists in building its own sewerage system. This plan includes placing an underground pipe that would pass under the streets of Surfsis along one kilometer until reaching the Bay Harbor Islands sewerage network. In this way, the waste would leave the island without formalizing a connection with the system of its immediate neighbor. Stephen J. Helfman, Indian Creek’s lawyer, assured to The New York Times that “the preliminary works and preparation works for the future sewerage line will begin next month.” Meanwhile, the mayor of Surfsis, Charles Burkett, who initially requested the 10 million dollars, was more conciliatory after knowing that the law prevents him from refusing to facilitate the construction of that new sewerage line. “We hope to work with Indian Creek to help them achieve their goals with the least possible impact for our residents,” Burkett said. In Xataka | Billionaires prepare their mansions for apocalypse: luxury bunkers have become a trend Image | Flickr (Smithsonian)

You can hardly know what is in these boxes. The US has built the perfect hiding place for its nuclear weapons

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A company in the United States came to nuclear proportions, literally. The Pentagon had been going around an idea for a while. In a war scenario every time more changing and asymmetricthe permanent bases have stopped making sense to save, for example, atomic weapons. Where to hide such arsenal? The solution is in a container. Store the unthinkable. Yes, the United States has developed an innovative storage technology to transform the way their nuclear weapons are deployed: a Mobile vault system hidden within standard six -meter containers, capable of protecting atomic pumps or highly sensitive materials even in remote and temporary bases. The project, led By Sandia National Laboratories Within the energy department, it responds to an urgent request from the National Nuclear Safety Administration (Nsa) and is being executed in collaboration with the Department of Defense. The purpose: to provide American commanders with an unprecedented logistics and tactical capacity to protect strategic assets outside the immediate reach of permanent infrastructure. Accelerated and double use. The development of the first prototype was carried out in just six months, through a design process that prioritized speed and performance within volumetric and weight restrictions. For this I know They used 3D modelsadditive manufacturing, reusable components and commercial development plates. The available images They show a container with a reinforced door with double combination lock, although it is presumed that it includes multiple unleashed advanced safety systems. Sandia has experience in this field: he already developed specialized trucks To transport nuclear weapons, equipped with defense mechanisms such as adhesive foam to immobilize intruders, explosive bolts to disable tear gas axes and systems. Sandia employees make a 3D scan of a container prototype Containers that hint. Although for obvious reasons the official statement avoids explicitly mentioning nuclear weapons, Sandia has distributed models at 1:14 of these mobile vaults with miniature aftershocks of b61 bombs Clearly identifiable destined to illustrate its functionality before the high controls of the Pentagon, the strategic command and the combat commands. This type of device could be revolutionary for the projection of the nuclear arsenal, since it would allow flexible displaysdiscreet and fast in areas without fixed infrastructure, in line with current doctrines of Agile Fuat Employment (Ace) of the Air Force and the Expeditional Advanced Base Operations (Eabo) of the Marines body. In both strategies, dispersion, unpredictability and mobility are key to survive in a modern combat environment. A look at the 1:14 scale model of the mobile vault and the “miniature model” of the B61 The logic of the new B61-13. Plus: doctrinal change also coincides with the production of the new Model B61-13an improved variant of the B61-12 with greater explosive performance. Although the B61-12 already incorporated precision guidance, not all NATO platforms are trained to use that technology, which limits its operation. The B61-13, due to their greater capacity to attack reinforced and distributed targets, could be better used in mobile and flexible display. Also and As we countB61 are already part of the nuclear arsenal advanced in Europestored in underground fixed vaults in bases such as The RAF Lakenheathin the United Kingdom. The incorporation of are Mobile Vaults It now expands the tactical fan to more unpredictable and scattered environments, reducing the dependence of bases that would be a priority white in a high intensity conflict. A trailer loaded with B61 test models, as well as B83 nuclear bombs, (the latter are seen at the right end) “Mobile” advantages and risks. The use of standard containers to hide these vaults has evident advantages Logistics: They can be transported by air, sea or land using existing means. But that same mobility entails new challenges. Namely: structures offer Less physical protection That a bunker, and any increase in peripheral security measures could give away its content. They pointed to them Twz analysts which will be required, quite possibly, a completely new operational doctrine for use in nuclear deployments, which includes camouflage, dispersion, remote control and active safety measures. Of the test field to the nuclear deployment. The first prototypes will be evaluated in the exercise Gray Flag 2025where the Department of Defense and Sandia will prove its usefulness in a simulated operational context. In fact, this series of maneuvers has been the advanced armament exhibition scenario, such as long-range air-air missile AIM-174B (version released from airplanes SM-6 missile), still classified. The presence of nuclear weapons (or their fictional equivalents) in these trials suggests that Mobile Vaults They could quickly integrate into New forms of deterrenceespecially in mixed missions with closely linked conventional and nuclear abilities, as the recent anticipates Pentagon doctrine. Logistics Revolution As a last point, the initiative It also contemplates the future transition from this technology to the private sector, possibly for its industrial production and use in other areas that require ultraseguro storage. Be that as it may, its immediate function points to the heart of the current strategic debate: How to maintain the credibility of American nuclear arsenal in a multipolar world, full of mobile threats (as seen in conflicts of Ukraine and Iran), Access denial areas and potential conflicts in remote scenarios. In that new theater, it will not only be the weapons that move with agility. They will also do it, these mobile vaults apparently nuclear. Image | Sandia National Laboratories In Xataka | A simple drawing in a currency has revealed something more important: the return of nuclear bombs to Europe In Xataka | Satellite images leave no doubt: Russia is expanding up to five secret nuclear bases

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