china

The US remains committed to stopping China. Now it has targeted the second largest Chinese chip manufacturer

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SMIC (Semiconductor Manufacturing International Corp) is the largest Chinese semiconductor manufacturer with a global market share 5.32%. Only TSMC and Samsung surpass it. Currently this is the only Chinese company that has the necessary technology to manufacture 7nm integrated circuitsbut Hua Hong Semiconductor, China’s second largest chip producer, is developing the technology necessary to manufacture this class of semiconductors. The US Department of Commerce has confirmed without intending it that Hua Hong Semiconductor is very serious with its 7nm photolithography. And it has done so because, according to Reutershas notified the most important lithography and wafer processing equipment manufacturers in the US that they no longer have permission to deliver their most advanced machines to this Chinese company. The purpose of this US entity is clear: it aims to make it difficult for Hua Hong Semiconductor to conclude the development of its 7nm lithography. Lam Research, Applied Materials and KLA already have one more obstacle in China Department of Commerce technicians analyze export requests within the framework established by current regulations and approve or deny the sale of integrated circuits and wafer processing equipment to China. The current regulation is the most effective tool at the disposal of the US Government to try to slow down the development of China’s semiconductor industry and prevent it from acquiring the capacity to manufacture cutting-edge integrated circuits in the short or medium term. Hua Hong is preparing to start production of 7nm chips at its Shanghai plant Hua Hong Semiconductor’s division specializing in third-party chip manufacturing is called Huali Microelectronics, and it is preparing to launch the production of 7nm integrated circuits at its Shanghai plant. The sources that have revealed this information assure that Huawei has collaborated with Huali Microelectronics on this project, which invites us to reach two reasonable conclusions. The first is that Huali’s 7nm lithography is likely to play an essential role in GPU production capacity for artificial intelligence (AI) from both Huawei and other Chinese companies. And the second conclusion is actually a plausible hypothesis. And, like SMIC, Huali does not have access to ASML SVU teams. For this reason, it is very likely that with the help of Huawei it has developed security techniques. multiple patterning to be able to manufacture 7nm chips with the UVP machines in its possession. Lam Research, Applied Materials and KLA are three of the US companies that the Commerce Department has notified that they can no longer provide Hua Hong Semiconductor with their most advanced wafer processing equipment. China is a very important market for these companies, so presumably they are going to lose several billions of dollars in sales. Lin Jian, the spokesperson for the Chinese Ministry of Foreign Affairs, has declared that his country expects the United States to stabilize global industrial and supply chains and keep trade functioning normally. Image | TSMC More information | Reuters In Xataka | TSMC is already the highest-earning chipmaker on the planet. It has beaten two semiconductor giants

The world has an insoluble problem with coal. China has found the solution and it does not involve burning it

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Decades ago, the world embarked on the decarbonization race. Each country has gone at a pace with nuclear, but gas, hydrogen research and the rise of renewables They aimed to be the impetus to close coal plants. That’s when artificial intelligence arrived and turned the plan upside down. The data centers They need a lot of electricity and, at peak computing, the demand is for immediate energy. This is where coal burning comes in, but in China they believe they have found a solution to avoid definitively bury the coal. Extract energy without burning it. ZC-DCFC. That is the not-so-friendly name that a team from the Chinese Academy of Sciences and Shenzhen University has used. baptized what they call as zero carbon direct carbon fuel cell. The group, led by Xie Heping, has been since 2018 developing This concept is not so much a new way of using coal as a primary energy element, but rather a technique to exploit reserves in deep mines. How it works. To achieve this, carbon is pulverized, purified and introduced into the anode chamber of a fuel cell. On the other hand, oxygen is introduced through the cathode, which causes a reaction in the carbon: an electrochemical oxidation. This process generates electricity directly without combustion, without turbines and without emissions. According to those responsible, the efficiency in energy generation is notably greater than that obtained in conventional energy generation with coal and another advantage is that the system is silent, which also solves the problem of noise pollution that comes with the use of coal. Solving the big problem. The ZC-DCFC also works without CO2 emissions because the high-purity carbon dioxide generated at the anode outlet is captured on site and converted by catalysis into chemical feedstocks such as syngas or compounds such as sodium bicarbonate. But the system has not been made thinking about processing coal in a better way. For that we already have the response in the form of renewables and the green hydrogen. What Xie Heping’s team is creating is a solution to the big problem of harnessing coal from deep underground deposits. not so fast. The idea is to create systems that generate electricity, directly, in the depths of these mines. This way there is no need to launch the very expensive industrial network to bring the coal to the surface and then process it. Electricity would be generated two kilometers deep and it is that energy that is directly transmitted to the surface. Now, they have been investigating since 2018 and are already testing it, but although the project is framed within China’s great plan for the Deep Exploration of Earth and Mineral Resources, there is still a long way to go. This is a long-term plan to achieve carbon neutrality by 2060 and it is already point that these carbon cells are unlikely to come into operation on a large scale before 2045. Either way, if it makes sense for anyone to research alternatives to coal using coal, it’s… China. Despite being the power of renewables and be on top of the nuclear raceit is estimated that 60% of the nation’s electricity comes from coal. They have enormous reserves and somehow they have to be used. Image | Ministry of Energy of Chile In Xataka | To survive the end of oil, China has resurrected an old German technology from World War II: turning coal into plastic

China is preparing the most powerful and rare exascale supercomputer on the planet. No GPU: only Chinese CPUs

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An exascale supercomputer is one capable of performing at least 1 exaflop (10¹⁸) of floating point operations per second. These machines are the most powerful currently available if we stick to classic computers and leave aside the prototypes of quantum computers. The classification TOP500 identifies the most capable supercomputers on the planetand, as expected, four exascale machines appear at the top of this list: The Captain, FrontierAurora and Jupiter. The first three reside in the United States and the fourth in Germany. Curiously, no Chinese supercomputer appears in the top ten positions of this classification, although we know that some of its most powerful machines are not officially reported to the TOP500 for geopolitical reasons. Be that as it may, the Government led by Xi Jinping is determined to change this scenario. And the Shenzhen National Supercomputing Center has announced that is going to build a supercomputer called Lingshen that, according to this institution, will have a sustained performance of more than 2 exaflops and will integrate only components designed and manufactured in China. Lingshen supercomputer architecture is very unusual The supercomputer ‘The Captain’ from the Lawrence Livermore National Laboratory (USA) is a real beast. This machine exceeds 1.8 exaflops, making it currently the most powerful on the planet. The APUs are responsible for its brute force. Instinct MI300A from AMD, which work hand in hand with the EPYC 9005 processors. However, the most surprising thing is that it brings together no less than 11,340,000 cores and delivers 1,809 PFlops/s Rmax and 2,821.10 PFlops/s Rpeak. Lingshen will bring together 47,000 processors of Chinese origin that will be distributed in Huawei Kunpeng servers The architecture of ‘El Capitan’ is very similar to that of the other supercomputers in the TOP500 classification, but the machine being prepared by the Shenzhen National Supercomputing Center is going to take different paths. And it is that according to Lu Yutongthe director of this center, the Lingshen supercomputer will use only general purpose processors (CPU), and will not use GPU. Not a single one. It is a very unusual decision, and it is surprising that in theory it will exceed 2 exaflops only with this type of chips. Be that as it may, this is not the only thing we know. Lingshen will bring together 47,000 processors of Chinese origin that will be distributed in servers Huawei Kunpeng equipped with Taishan cores with ARM architecture. Lu Yutong has also confirmed that this machine will have 650PB of storage and a million-port interconnection. Everything that the Shenzhen National Supercomputing Center has announced sounds great, but this project also leaves us with some very reasonable doubts. The most obvious is that Lingshen is just a project at the moment. It has not yet been built, so its theoretical maximum performance comes from an estimate and not from a measurement provided by a real test bench. On the other hand, it is very surprising that the Shenzhen National Supercomputing Center has chosen to integrate only CPU. Huawei, Moore Threads and Cambricon Technologies are three of the chinese companies which have domestically made GPUs that could presumably fit into this machine. In any case, it is worth keeping track of this project to see if Lingshen finally lives up to the expectations it has raised. Image | TOP500.org More information | Shenzhen National Supercomputing Center In Xataka | The Frontier supercomputer is the second most powerful exascale machine on the planet. And it has a mission: nuclear fusion

China has discovered a new mineral on the Moon. It’s so fluorescent it could change the way we make LED light bulbs

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So far, 11 unique minerals have been discovered on the Moon. The last of them has just been revealed by a team of Chinese scientists after analyzing a lunar meteorite. It is an interesting finding, because it gives us useful information about the geology of our satellite. But also because it could have very interesting applications here on Earth. From the Moon to your light bulbs. The material just described It is cerium-magnesium changesite. It is characterized by its glassy, ​​transparent and brittle appearance. The thickness of its granules ranges from 3 to 25 micrometers, less than that of a human hair. Still, it is extremely useful due to its pronounced fluorescence, which could be very useful in improving terrestrial LED technology. A necessary color change. Unlike traditional incandescent bulbs, LED bulbs do not use heat to produce light. They make the most of electricity thanks to a semiconductor material, which allows the flow of electrons from a layer with an excess charge to another with a lack of it. That second layer has what are known as voids. That is, atoms that have lost electrons, leaving something like a free hole. The moment an electron encounters one of these holes, falls inside, in a process in which energy is released in the form of light. The light obtained in this process is blue, but we have all seen that, in general, the light from LEDs is white. The color change is achieved thanks to the coating the bluish chip in which the process occurs with a fluorescent material. This absorbs some of the blue light and, in turn, emits yellow light. Both are what are known as complementary colors of light. Therefore, when you mix them you obtain white light. The more fluorescence, the better. The fluorescence of this lunar mineral is so powerful that it would be a wonderful complement to LED bulbs. White light would be obtained in a much more efficient way, resulting in even greater energy savings. More achievements for China. The Asian country has become an expert in lunar geology, thanks to the Chang’e missions. In fact, the Changesite-(Y) phosphate was already discovered on Chang’e-5, directly related to this other mineral that a meteorite brought to Earth. For now, we can only dream. Logically, going to the Moon to excavate minerals is not very viable. And if it were, it would be good to think twice before jumping in headfirst. We also don’t know if there would be enough on the Moon. It would be necessary to explore it further to know. Therefore, the applications of lunar minerals in terrestrial technology are nothing more than hypotheses. It is interesting, but it does not have a close application in time. What these minerals do teach us. Analysis of lunar geology It can teach us many things. If we find mostly minerals that also exist here on Earth, we can understand that, at some point, similar conditions existed on Earth and the Moon. On the other hand, if many unknown minerals are found on Earth, as is already happening, it is understood that there were conditions on our satellite that have not occurred on our planet. All this serves to understand very well where we are and where we come from. Let’s stay with that instead of thinking about mining our satellite and leaving it without resources as we are already beginning to do on Earth. Image | freepik In Xataka | We have not yet colonized the Moon and we have already filled it with garbage: there are even abandoned golf balls

China is filling up with products from Russia. The problem is that many of these products come from China itself.

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At the beginning of 2025, a more than notable event occurred in China. Apparently, trade tensions between Beijing and the EU had opened a new scenario for Russian livestock farmers. In other words, if Spain had made a fortune exporting pork to China, an unexpected enemy appeared on the horizon: Russia. It seems that the hype of Moscow goes much further than “its” pig, and in 2026 has been maintained. Russian Chinese stores. Yes, in recent years a situation has been occurring that no one saw coming: the proliferation of stores selling Russian products in cities throughout China, generating great interest among consumers. These establishments, easily recognizable by their signs in Cyrillic, traditional Russian music such as Kalinka and Katyusha, and/or the display of iconic products such as matryoshka dolls, offer a variety of products: from national sausages to chocolates, honey, vodka or durian confectionery. Thus, with slogans such as “hardcore products” and a blue and white aesthetic, the stores seek to evoke the essence of Moscow. However, as we will see, behind this facade many are more Chinese than they look. The figures. The boom has also coincided with an increase in commercial ties between China and Russia, driven by Western sanctions on Moscow after its invasion of Ukraine, the same ones that have led to Russian ranchers in the Asian nation. Not only that. Bilateral trade reached historic levels in 2022 and 2023and Chinese consumers responded enthusiastically, seeing these products as a way to show solidarity with Russia. According to data from the Qichacha business registry, In January 2025 there were 3,555 companies registered in China engaged in the trade of Russian productswith 696 and 894 new companies registered in 2023 and 2024, respectively. They are not Russian, they are Chinese. Of course, the boom also raised suspicions. In fact, the boom faced increasing scrutiny last year. Many consumers began to question the authenticity of the products offered. Sausages, for example, cannot be legally imported from Russiaand the durian, a tropical fruit, is not typical of Russian regions as far as we know. This led Chinese authorities to investigate some of these stores. For example in Fujian, where a Russian market was pointed out for promoting false health benefits and labeling domestic foods as imported. In Beijing, similar stores closed after several inspections that required proof of the authenticity of their products. In fact, in 2025 the Shanghai authorities announced investigations against seven of the 47 Russian themed stores of the city, accusing them of misleading customers regarding the origin of their products. Some were closedwhile others faced fines and the obligation to clearly label products…made in China. Finally, a Jiemian News investigation revealed that a large part of the food products in the so-called “Russian State Houses” (franchises with no connection to the Russian government) They were locally produced.. Factors of interest. The initial success of these markets and establishments can be attributed to several factors. On the one hand, consumers’ curiosity and desire to explore “exotic” productssomething that has surely played an important role. On the other hand, the geopolitical narrative surely also did its thing: the war in ukraine and tensions with the West caused some Chinese consumers to view consumption of Russian products as a gesture of political support. Furthermore, we must not forget that the increase in bilateral trade was facilitated by the exclusion of Russia from the Swift financial system in 2022forcing the country to become more dependent on the Chinese yuan. This made China Russia’s main trading partner, absorbing products such as oil, gas and food at reduced prices. With an expiration date? The big question. Despite the boom, analysts like Zhang Yi, of iiMedia Research, They believe that the fashion will be temporaryalthough in 2026 they remain patent. The demand for Russian products in the Asian nation is based, a priori, on this novelty and perceived scarcity. Among the causes of the decline are that consumers have lost interest or competition between stores increases, at which time the popularity of these markets will probably decrease. This, added to the increasing doubts about the authenticity of the products Following investigations and regulatory pressure, they could accelerate their decline. Be that as it may, and in the face of growing skepticism, in Shanghai Some stores have changed their names to “Chinese-Russian Mutual Trade Stores” to reflect the true origin of their products. In Beijing, at least one store closed after failing to present documentation proving the authenticity of their imports. Long-term perspectives. Although trade between China and Russia still strongexperts predict that exchange volume could stabilize at $200 billiona figure lower than recent records. In the long term, a change in geopolitical relations, such as the resolution of the conflict in Ukraine, could allow Russia to normalize its trade ties with Europe, thereby reducing its dependence on China. Of course, this last scenario now seems very far away. Be that as it may, the rise of markets for Russian products in China reflects how geopolitical dynamics can influence consumer habits, at least in part. Of course, its sustainability is most uncertain due to the combination of regulatory pressures, doubts about the authenticity of the products and the eventual loss of consumer interest. Just in case, to the Russians they will always have the pork. Image | Weibo In Xataka | The biggest change in war is no longer drones: it is that Russia, the US and China are removing the human from the button In Xataka | Russia and China already had an advantage over the US in the Arctic. After Greenland, it has multiplied A version of this topic was published in 2025. We have updated it with information from 2026

The problem is that China has taken note

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In the middle of World War II, several neutral merchant ships crossing the Atlantic were intercepted and diverted to British ports without being sunk, where specialized judges They decided their destiny weeks later. That almost bureaucratic process converted each capture in a legal matter as well as military. The return of a buried law. Last week we count how the capture of the ship M/V Touska by the United States in the Gulf of Oman, an action that has returned to the foreground a legal tool that had been out of the real debate for decades: the right of prey. This mechanism allows intercepting and, if is legally validatedappropriating civilian ships in the context of war, something that had not been applied in a relevant way since the mid-20th century. The operation is not limited to a specific military action, it introduces a change in how control over maritime trade can be exercised in an open conflict. What it really means. This legal framework is activated only in war situations and establishes that a ship can be captured if you violate a locktransports material useful to the enemy or refuses to be inspected. After capture, the ship is taken to a port under the control of the captor and subjected to a specific judicial process. Finally, if the court considers that the seizure is legitimate, the ship and its cargo pass into the hands of the State that intercepted it, turning a naval operation into a tool with direct economic consequences. How it was used in the past. During World War II, these types of regulations were part from normal operation of naval warfare. The powers involved intercepted merchant ships on the high seas to prevent supply to the enemyespecially on strategic Atlantic routes. Many of these ships were taken to controlled ports and subjected to prize courts, which decided whether they should be confiscated, released or destroyed. The system allowed the opponent to be weakened no need to sink all ships, integrating the legal dimension into military strategy. The British ship HMS Blanche towing the French frigate Pique, after having captured it Aiming beyond Iran. It happens, chow we explainthat the case of Touska acquires greater relevance due to its journey and its connections. Your route from Asia to Iranwith stops in Chinese ports, has introduced a third actor into the equation, elevating the significance of the capture. In fact and as trump hintedthe possibility that it was transporting material linked to China has turned the operation into a broader message about controlling trade routes in a war environment, where each interception can have additional diplomatic implications. From blocking to economic tool. Applying this framework not only allows stopping traffic to a country, it also opens the door to appropriate resources that circulate in that system. This introduces an additional incentive into naval warfare and modifies the behavior of external actors. Who is it? From shipping companies, to insurers and states that operate on these routes, they must recalculate risks, which can translate in route changesincreased costs and greater uncertainty in international trade. Notice to sailors. There is no doubt, the immediate impact extends beyond the captured ship. The possibility of losing an entire ship, along with its cargo, changes perception of risk for operators who until now moved in a more predictable terrain. Countries that offer flags of convenience or companies that work in gray areas may find themselves dragged into complex legal processeswhich adds pressure to avoid any links to routes or destinations under blockage. The boomerang effect. Not only that. He United States movement It introduces a dynamic that it does not completely control, because by recovering this doctrine, it establishes a precedent that other actors can use in future scenarios. Here are names of powers with great maritime and commercial capacity, like chinawhich have the necessary volume to apply similar measures if the context allows it. This opens a new potential front where the maritime interdiction It can escalate beyond a regional conflict. The sea as a battlefield. Ultimately, the Touska case marks something deeper than the capture of a single vessel. It signals a possible transition towards a model where naval warfare combines military force and legal tools of the past to influence global trade. In that scenario where “pirate” jargon seems have a revivaleach operation is no longer isolated and becomes part of a chain of decisions that can be replicated in different parts of the planet, expanding the scope of conflicts and giving a twist to what was understood by the rules of the game at sea. Image | NAVCENT Public Affairs, Robert Dodd In Xataka | Now we know that the Iranian Air Force did to the US what Ukraine could not do to Russia with drones: an abysmal hole In Xataka | If the war resumes again, the US runs a risk unprecedented in the history of war: that the only one with missiles will be Iran.

US companies continue to pursue larger and larger AI models. Those from China continue to demonstrate that it is not necessary

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Until now, Alibaba had a great open model for programming. It is based on Qwen3.5-397B-A17B, but the problem is that it was gigantic with its 397 billion parameters and 807 GB of disk (and memory) size. The Chinese company has done something surprising and has announced these days the Qwen3.6-27B modelwhich in its quantized version weighs less than 17 GB. You would think that at that size he would be much worse than his older brother. But you would be wrong. It is proof that it is possible to give for much less. A dense model. Most large weight models open in 2026 use Mixture-of-Experts architecture (MoE): They have many parameters in total, but only activate a fraction of them when we use them. For example, the Qwen3.5-397B-A17B model precisely indicated that in its name: of the 397,000 million parameters, it only activated 17,000 million (hence the A17B) when using it. With Qwen3.6-27B we have what is called a dense model: the 27 billion parameters are activated in each inference. Although it is somewhat less efficient, it has clear practical advantages. For example, there is no need to configure an expert router, and quantization is more predictable and compact. The idea has worked, and the results prove it. The performance of this “small” AI model is even higher than a much larger previous version. Benchmarks don’t lie (too much). In SWE-bench Verifiedthe most popular benchmark for real programming tasks, Qwen3.6-27B achieves 77.2% score compared to 76.2% for the 397B model. In Terminal-Bench 2.0, which measures how well the model executes tasks in the command console, it achieved 59.3% compared to 2.5% for its rival. But in this test it achieves exactly the same score as Claude Opus 4.5, one of the best recent Anthropic models. That an “Open Source” model that can be easily used locally achieves something like this is unusual, but we must be cautious: the benchmarks are from Alibaba itself, and there is currently no independent verification, although who are wearing they seem be really satisfied with the. Even Alibaba is surprised. What is striking about this launch is that the company that launched it is promoting it above its most ambitious model until recently. Let them compare both versions themselves and recognize that the “small” is the most powerful It is significant. It’s like saying from the rooftops that the largest AI models have no competition, when they have just proven that this is not the case and that models like Qwen3.6-27B can be truly remarkable in behavior. 24 GB of VRAM is “enough”. Thanks to its small size, it is possible to use this model on relatively accessible machines. Thus, the 24 GB of video memory of the RTX 3090 makes these graphics cards a perfect alternative to install and use Qwen3.6-27B with excellent performance. Dense models do not do so well on MacBook or Mac mini with unified memory, and although logically not everyone has access to graphics cards with 24 GB of RAM, access to really capable local models continues to improve. The best essences, in small bottles. Alibaba is a steamroller of “small” AI models, and it demonstrated this in early March when launched several that ranged from 0.8B to 9B. Fortunately there are varied alternatives in that segment of “Small Language Models” (SLMs) and here we have reference examples like Gemma 4just released by Google. Microsoft with Phi-4 (which needs an update, like gpt-oss-20b/120b) or Mistral with Devstral 2 They are examples that Western companies are also making moves in this interesting field. But. According to benchmarks, Qwen3.6-27b is comparable in some benchmarks to Claude Opus 4.5, Anthropic’s most advanced model when it was launched in November 2025. That is surprising and confirms that open weight models from Chinese companies are, as Demis Hassabis saidbetween 6 and 12 months behind the most advanced models from Anthropic, OpenAI or Google. But to execute them a significant investment is still necessary, and although local AI models are very interesting in terms of privacy, if today one wants maximum speed and performance it still depends on commercial models in the cloud. In Xataka | Google will invest up to $40 billion in Anthropic because the new normal for AI is investing in your enemy

It seemed difficult for China to compete with the US as a global tourism power. And yet it’s happening

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Although tempers have cooled after the war in Iran and the doubts about what impact it will have on the sector, in general international tourism is experiencing its ‘roaring 20s’. Families have come out of the pandemic break wanting to pack their bags and get to know new countries, something that has not taken long to be noticed by the UN tourism observatory, which last year registered an increase of 4% in the flow of international travel, as in the World Travel and Tourism Council (WTTC), which estimates that the sector represents almost 10% of global GDP. The increase, however, has not been equally strong around the world. What’s more, WTTC itself has noted important differences in the two large economies of the sector, the US and China, which could precipitate a surprise historical. I like to travel. The world has emerged from the pandemic with a desire to travel. Many. It is a trend that has already been noted in 2024when pre-COVID levels were recovered, and has continued to consolidate over time, which explains, for example, that Spain is bordering on the historical barrier of the 100 million travelers a year or that Japan gives clear samples of saturation. According to the latest calculations of the WTTC, 2025 was “the best year in history for the sector”, at least as far as economic growth is concerned. Its contribution to world GDP exceeded 10.7 billion eurosabout 10% of the global economy, and supported almost one in ten jobs worldwide. These are compelling data not only because of their scope, but also because of the trend they show: in general the tourism sector is growing more than the international economy. The US slows down. The ‘photo’ is not, however, equally good in everyone. The WTTC technicians have noticed a weight loss in the main economy tourism on the planet, the American one. Although the country governed by Trump remains “the largest travel and tourism market in the world”, the truth is that it is losing market share. The data is resounding: while the sector grew at 4.1% overall, in North America that percentage was four times lower (1%). In fact, it was the “slowest growing region in the world.” The balance was even worse in the US, with an increase of 0.9%. A key fact: 5.5%. “In 2025, eighty million more people took international trips compared to the previous year, although they chose other destinations. The number of American visitors decreased by 5.5% compared to 2024 and spending by international visitors decreased by 4.6%, reaching $176 billion,” they point out those responsible for the WTTC. His analysis joins others that in recent months have warned of a setback in the flow of foreign tourists arriving in the US and the loss of attractiveness in key markets. For example, the country’s Department of Commerce registered in 2025 a drop of 20.9% at the entrance of visitors from Canada. In 2024 it had already registered a decline, but of only 1.3%. Why is it important? For what it means for the American tourism industry. And for its implications in the sector worldwide. As the WTTC reminds us, today the US continues to be the economy that more money moves thanks to tourism and travel, with a notable advantage over the second On the list, China: the US moves at 2.63 trillion dollars while the Asian giant is around 1.75 trillion. How has the US achieved that weight in the sector? Thanks to two legs: the local market, the trips that Americans make when traveling from one city or state to another, and the arrival of foreign visitors. If we look at the latest reports from the US Travel Association and the WTTC, the first leg continues to respond well. In 2025, Americans they accounted for 87% of the country’s tourism business and increased their contribution to the sector. Their spending was 14.3% higher than pre-pandemic levels. Things change, however, when we look at the arrival of tourists from other countries: their flow was reduced by around 2.3% and their spending indicators are also not good when compared to those the country managed before COVID. Losing “hook”. This loss of attractiveness among foreigners coincides with a hardening of the conditions to enter the US and news about arrests in airports, which even led some European embassies to give guidelines to its citizens to avoid surprises with their visas. Another key factor was the international policy deployed by the White House, which strained relations with countries such as Canada and Denmark. The decisions made by the Trump administration soon gave rise to campaigns that advocated boycotting American products, something that was felt in tourism. In January WTTC itself warned Washington that if it finally approved the new requirements it had on the table for ESTA authorization applicants, which included a thorough review of tourists’ online activity, it risked losing just over a third of its visitors. “34% of those surveyed say they are less likely to visit the United States in the next two or three years if the changes are implemented,” he warned. China on the prowl. It is not just that the US sees its market share in international tourism shrink, it is that everything indicates that China will take advantage of this situation to cut positions. “While the US contracts, China grows at a dizzying pace,” explains Gloria Guevarapresident and CEO of WTTC to Bloomberg. “If this continues, in three or four years it will reach the US.” In another interview A recent interview with USA Today even went further and warned that, if the current situation continues, China will end up “replacing” the US as the world’s main tourist market in a matter of four years. today the gap Between both markets it is enormous (the US sector contributes 2.63 trillion dollars and the Chinese 1.75), but Beijing is growing at high speed. WTTC estimates that its tourism sector is growing at a rate of 9.9% and that, unlike what … Read more

China already knows how to keep a fleet of drones in the air indefinitely. The problem is that there are too many problems

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Wireless charging in everyday devices It is a resource that provides comfort. In other areas, wireless and remote charging implies a much more powerful advantage: supremacy over a rival. That is precisely what China is testing, how to maintain a drone fleet flying almost indefinitely thanks to a microwave charge injected from a ground system. And they are not the only ones. In short. A few days ago, Chinese scientists from Xidian University published a peer-reviewed article in the journal Aeronautical Science & Technology in which they presented a system microwave emitter that could send energy to an array of antennas installed on the top of a drone to charge the vehicle’s battery in mid-flight. The most important thing is that it works while the ground vehicle and the drone are moving, which eliminates the need for a stationary charge that would make no sense from a strategic point of view. Image of Xidian University How it works. For the system to work, and as we read in SCMPthe researchers integrated a GPS positioning system that allowed a drone and a ground vehicle to be aligned. On the ground there is the microwave emitter and the drone has a series of antennas at the bottom that collect the energy. In tests, the system kept fixed-wing drones in the air for up to 3.1 hours at an altitude of 15 meters. The great challenge was maintaining the alignment between the drone and the ground vehicle to maximize the load, but once the obstacle with the GPS system was overcome, the drone can stay in the air depending only on the vehicle’s fuel. On the other hand, we are approaching it from the point of view of indefinite autonomy, but such a system would also allow drones to have less battery (which, in the end, adds weight) and have more carrying capacity. The BIG asterisk. Defense analysts liken it to a “land-based aircraft carrier” in which an armored vehicle on the ground is both the command and power node, monitoring, charging and providing logistical support to the drones in a manner similar to that of a aircraft carrier It is the lifeline of manned fighters. However, the system has a huge problem: it is extremely inefficient. The Xidian team estimates that the efficiency of the microwave ‘cannon’ is between 3 and 5%. It’s… ridiculous, which means that the vast majority of the energy emitted is simply wasted. Why not a laser? It’s the big question. A laser system is more precise and has a longer range, which opens the doors to other types of missions. However, being a beam of light and not directly the energy that we launch, the laser is very sensitive to interference such as fog and dust. Also, think of the laser as a precision rifle and the microwave as a shotgun: any turbulence or bump in the road would affect the beam, but microwave energy has a wider range of action. China is not alone. Chinese analysts point out that it is a promising concept, but also something that is very far from being able to be applied to satisfy an immediate operational need. What it is, is one more step to find that way to get those drones that are appearing to be a very valuable element on the battlefield, as the wars in Ukraine and Iran, unfortunately, are demonstrating. The advance is important because Xidian has time working in the theoretical framework of the technology, but it is now that they have carried out a successful field test. Now, they are not alone, since the American agency DARPA is experimenting with radio frequency and laser to charge drones remotely, and in Germany, Rheinmetall is also developing wireless charging platforms for unmanned ground vehicles, although in this case, the drones are perched on a platform. In Xataka | Sending electricity without cables seemed like a thing of the future. DARPA has done it again, and the test has turned out better than expected

95% of intercontinental internet traffic goes through submarine cables. China has just proven that it can cut them at 3,500 meters

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The world is connected through the “invisible”, almost omnipresent and seemingly omnipotent internet. But it turns out that 95% of data traffic runs through cables that, although not visible, are very tangible: the submarine fiber optic cables that run around the world. This strategic infrastructure is inherently vulnerable due to its vast extent in unmonitored environments. Until recently, threats were limited to random accidents in shallow waters, but sabotage are the order of the day. In this scenario, China has just marked a technical milestone that is a warning to sailors: has tried successfully a submarine cable cutter who plays in another league. Thus, it is capable of cutting with high precision and operating at depths of up to 3,500 meters. The tool. The system that China through its Haiyang Dizhi 2 scientific vessel is an electro-hydrostatic actuator (EHA), a compact device that integrates the hydraulic system, the electric motor and the control unit in a single piece, a combo that as explained The South China Morning Post allows you to get rid of the external oil pipe common in this type of system. The Ministry of Natural Resources of China explains for the Chinese media that last Saturday, April 15, its first mission in deep waters was carried out. This is not the first deep underwater cable cutter we have seen from China, in fact it has them to cut even deeper seabeds: the China Naval Scientific Research Center (CSSRC) and the State Key Laboratory of Deep Sea Manned Vehicles also developed a little over a year ago a vessel that uses a diamond coated grinding wheelcapable of operating at depths of 4,000 meters. Why is it important. We have already glimpsed in the intro that currently, practically the entire of intercontinental data traffic travels over submarine cables. He Center for Strategic and International Studies gives an example of its importance: in the financial environment, approximately 22 trillion dollars move per business day through these systems. Any disruption can unleash chaos on entire countries, leading to digital isolation, collapsing financial systems, degrading military capabilities… much more than a simple cyberattack. Underwater cables are inherently vulnerable due to their exposure and with these types of systems not even depth is a guarantee. Furthermore, repair at a depth of 3,500 meters is slow and expensive, requiring specific vessels that are not plentiful. context. Since 2024, China and its vessels have become common suspects in cases of alleged sabotage. Two examples: is in the Baltic and is in waters near Taiwan. These events have generated growing concern in NATO on the security of these essential undersea cables from hybrid warfare tactics. China, for its part, justifies this development as part of its scientific research and deep-sea mining program through the Chinese Academy of Sciences: the ability to cut cables is necessary for the recovery of stuck equipment, cleaning marine debris, and preparing the seabed for deep-sea mining. However, it is inevitable to think about the duality of its functions. chow they do it. In 2020, a team of engineers from Lishui University, in the coastal province of Zhejiang, opposite Taiwan, developed a device for cutting underwater cables by drag (one of several patents in recent years made in China) and in the patent application The team said that “The traditional cutting method requires first detecting the position of the cables, then excavating and recovering them to cut them. The process is complex, a lot of expensive equipment is needed, and the cost is too high. A fast and low-cost cutting device for submarine cables is needed to perform this task.” These new tools seek to solve this as they operate directly on the cable on the seabed without the need for extraction. In the 30-day mission of the Haiyang Dizhi 2 vessel, in addition to testing the cutting tool, they also tested an autonomous underwater vehicle called Hai Ma, recovered 16 self-developed measurement probes and deployed China’s first deep-sea winch with 11,000 meters of coaxial cable. Yes, but. The fact that there are patents and tests on tools to cut marine cables at great depth and efficiency does not mean that they have been used in these incidents, although it does indicate an interest in cutting them. China has a known official position, as we saw last year when a similar tool came to the fore. At that time Liu Pengyu, declared that the device is used in marine scientific research and that both the United States and several European countries have similar technology. Likewise, it highlighted the importance that China gives to protecting underwater infrastructure and its commitment to the international community to protect them. In Xataka | The submarine cables belonged to the teleoperators, and now the big technology companies are controlling them In Xataka | The first great Atlantic submarine cable that connected us to the internet says goodbye for a simple reason: it was too expensive to repair it Cover | seatools and CCTV

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