cable

an underwater cable through the North Pole

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He 99% of international internet data traffic travels through fiber optic cables that run along the bottom of seas and oceans. There is a kind of Google Maps of underwater cables where you can see its trajectory to discover that, while there are areas that are true wastelands, in others there are tangles of cables that clump together. Precisely these areas are critical for potential accidents and attacks. Well, 90% of the capacity of the Europe-Asia cables happens through a region that is anything but calm: the Red Sea. In times of peace these cables work well, but in conflicts they are a real candy for sabotage: they are “abandoned” to their fate in the middle of nowhere, they are strategic and repairing them is not exactly easy or convenient. And in fact, in the case of these Europe – Asia cables it has already happened: in 2024 a Houthi missile impact a cargo ship in the Strait of Bab-el-Mandeb and its drifting anchor cut three underwater cables. Repair ships were able to enter four months later. In September 2025, history repeated itself. The Achilles heel is clear and Europe wants to solve it by detouring around the North Pole. The alternative route: Polar Connect. The European Union, through its resilience panel, has recommended building two Arctic cables to reach Asia by avoiding the Red Sea: one would go through the Canadian Northwest Passage and the other would connect Scandinavia with Asia by directly crossing the North Pole. The latter is precisely the Polar Connect. Said and done: the EU you have already labeled this cable as “Cable Project of European Interest” and has already prepared the first funds for its construction. The total estimated cost is around €2 billion and the operational goal is 2030. Behind the project is the Nordic research and education network NORDUnetNordic network operators such as GlobalConnect Carrier and the Swedish polar research agency. This summer probably they will do a study of the route. Why is it important. Because submarine cables are the roads that keep the world in which we live connected: corporate communications, cloud services, finance, streaming, security… and the fact that the majority of connections between Europe and Asia occur through a corridor in persistent conflict increases the risk of blackouts between both continents. This cable seeks to minimize geopolitical risk while reducing latency in data transmission. On the other hand, there is its strategic dimension: Meta, Google, Microsoft and Amazon now represent more than 70% of all submarine cable capacity consumed globally, compared to less than 10% a decade ago, according to TeleGeography data and GlobalData. Europe does not have any route of its own to Asia. How Polar Connect collects in your white paperthe three current options between Europe and Asia are the Red Sea, Russia or passing through the United States and none are under European sovereignty. The two new cables to connect Europe and Asia via the Arctic route. NORDUnet Context. The Red Sea and its surroundings have been an almost continuous hornet’s nest since at least the 1950s: the Suez crisis, the Six Day War, Yom Kippur… so as Roderick Beck, a cable industry veteran who is dedicated to finding telecommunications capacity for internet service providers, explains for The Verge: The industry looked for alternatives in the Persian Gulf, but it is not exactly an oil raft either: The United States attacks on Iran in 2025 also closed that route. That said, the geopolitical context in the Arctic is not neutral either. Historically to run a cable through the arctic was necessary a partnership with Russia, but since the war with Ukraine, the North Pole corridor lacks of western intercontinental connectivity. However, it will not be easy: others have tried it before and failed, such as Quintillion on the north coast of Alaska. They activated a section of cable, but the ice broke it twice and to repair it it is necessary either to have an icebreaking ship to repair the cable or to wait until summer. How do they want to do it?. He plan is connecting the Nordic region with Japan and South Korea via fiber optics under the Arctic Ocean with possible branches to North America. Regarding financing, at the end of 2024 were approved 44.6 million euros from the Connecting Europe Facility program for the first phases. Polar Connect will also have with advanced sensors for environmental and climate monitoring, so that it would function as a telecommunications infrastructure and an Arctic scientific research instrument. The project is complemented by Far North Fiber, another Arctic cable that would take the Canadian Northwest Passage route. Together they would form a network with mutual redundancy: when one fails, the other takes over the traffic. As it says the CEO of NORDUnet himselfValter Nordh: “both routes have strengths and weaknesses, which is why they complement each other well.” Yes, but. Designing, building and installing an underwater cable is not a small project, but the main problem that Polar Connect is going to face has already been glimpsed in the failed Quintillion project: the obstacle is maintenance. The ice cuts and the icebergs drag the seabed to depths greater than those that allow the cable to be buried in a phenomenon known as ice scour. If there is a break in winter, we have to wait until summer to repair it simply because there are no ships capable of breaking ice and laying cables at the same time. Alan Mauldin, research director at TeleGeography, one of the leading research companies in the sector, he says it bluntly: “We’ve seen a lot of (Arctic cable) projects happen. There’s a reason for that, right? It’s very complicated.” 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 | PxHere … Read more

studies a huge submarine cable with distant Ireland to stop being an energy island

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Spain may have emerged as one of the EU states that more and better have understood and adopted the energy transition towards renewables, but there is an unquestionable geographical reality: The Iberian Peninsula is an energy island which has a problem called France. A bottleneck that prevents Spain from exporting its enormous surplus of solar energy, so the European Commission wants to correct it with ambitious connection goals for 2030. How? Looking at the sea that surrounds the peninsula in search of partners “to lend a helping hand” to solve this limitation: across the Mediterranean with two gigantic connections to Italy and also towards the Atlantic, with a cable between Spain and Ireland. The future cable between Spain and Ireland. The planned route would link the northern coast of Spain, specifically Asturias, with the southern coast of Ireland, with an estimated length of between 1,000 and 1,100 kilometers, as collects The Energy Newspaper. Although there is no defined route yet, the infrastructure will have to navigate considerable depths in the Bay of Biscay and the Celtic Sea. Go ahead that the agreement signed between Spain and Ireland It is a Memorandum of Understanding to study the feasibility of an underwater electricity cable within the framework of the WindEurope 2026 congress held in Madrid signed by the Spanish vice president Sara Aagesen and the Irish minister Darragh O’Brien. Why is it important. Because both Spain and Ireland share a structural problem: they are one of the least interconnected electricity markets in Europe and are classified as “energy islands” by the EU, which limits their ability to export renewable surpluses and reinforce their security of supply (friendly reminder: the blackout). From the point of view of energy security, more interconnection means less dependence on imported fossil fuels and more resilience in the face of shortages. This cable would diversify Spanish export routes, a detailed priority objective in REE Electrical Planning. The energy logic of the project rests on the complementarity of renewable resources: Spain would export solar surpluses and Ireland would provide electricity generated in its offshore wind farms. Both technologies have generation profiles decoupled in time, so the exchange is technically valuable to stabilize both electrical networks: when the sun shines in Spain, it can power Dublin, when Atlantic storms sweep the north, its wind turbines can sustain Spanish industry. Context. Spain currently has barely 3,000 MW of interconnection capacity, which represents a ratio of 2%, according to REE dataon its installed mix of approximately 150 GW. That is to say, it fails to meet the minimum target of 10% set by the EU for 2020 and has to work a miracle to reach the 15% planned for 2030. This chronic deficit limits the capacity of the Spanish system to export the growing surpluses of wind and solar energy. The project arises at a time of maximum urgency for energy independence after the gas crisis. Recent war conflicts have led the EU to accelerate the processing of large electrical interconnections between European markets as a tool for collective energy security in search of self-sufficiency with its own resources. Initiatives like the plan REPowerEU They have these cross-border interconnections as one of the levers with absolute priority. Map of transmission and storage projects. ENTSO-E Main connections in Spain. A brief summary of the very few electrical connections of the Spanish state with other EU states: Existing: Spain–France (Pyrenean land interconnection), with a current capacity of approximately 3,000 MW through the Pyrenees and Spain – Portugal, through various bidirectional land high voltage lines that make up the Iberian market. Under construction or approved: the submarine cable of the Bay of Bizkaia between Spain and France, scheduled to enter service in 2028, will add 2,000 MW of additional capacity with France. The wire Fontefríabetween Portugal and Galicia, will provide about 1,000 MW of exchange. Projected (under study or preliminary phase): Apollo Link between Spain and Italy, of 2000 MW and entering service in 2032. Iberia Link between Spain and Italy of 1,200 MW. Trans-Pyrenean land connection through Navarra and Aragon, blocked by the French government. How are they going to do it?. Technically, the project would be executed using a high-voltage direct current (HVDC) cable, the standard technology for long-distance underwater interconnections, due to its lower energy loss in transportation compared to alternating current. There are direct and operational precedents of a similar scale, such as the recent Celtic Interconnector between Ireland and France. After signing the Memorandum of Understanding to study the viability of an underwater electricity cable that links both states, the project must be technically and economically evaluated jointly by Red Eléctrica and EirGrid, the operators of both states. They will then present it to the European authorities for possible inclusion in the list of Projects of Common Interest (PCI), which would give it access to European funding and accelerated administrative procedures. ENTSO-Ethe association of European network operators, publishes every two years the Ten-Year Network Development Planthe technical reference framework to prioritize and evaluate this type of projects. Yes, but. The project is in its earliest phase, which means that it has everything ahead of it and a submarine cable is a major technical and economic infrastructure. A cable of more than 1,000 kilometers in length implies an estimated investment that would exceed 2,000-3,000 million euros, a construction period of several years once approved and logistical challenges in North Atlantic waters. Furthermore, the route through Asturias would require reinforcing internal transport networks to cross the Cantabrian Mountains to connect with the large solar generation centers in the interior of the peninsula. 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 | ENTSOE

There are many wireless alternatives to the HDMI cable. The problem is that none of them work as well as the HDMI cable.

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That the tangle of cables in our homes is well organized is something that it makes us obsessed for years. Normally, when we talk about cable management we usually refer to the workspace, but we also can be a problem in our salonswhere there are cables that no matter how much we try to replace them, they are still there. One of them is HDMI. Although there are technologies to be able to watch content on a television or projector without having to pull a physical cable, HDMI cable is still the best and sometimes only option. Alternatives to HDMI cable HDMI cables have the drawbacks of any cable: they limit mobility, cause visual clutter and, depending on the device we want to connect, it is very likely that we will need adapters. Fortunately there are technologies that allow us to do without it. Chromecast and Airplay Google TV Streamer, formerly known as Chromecast They are the most popular and well-known options since they have the support of large companies such as Google and Apple. More and more televisions integrate both systems, so it is no longer necessary to purchase a separate device. In the case of Chromecast classic, technically not a wireless solution, But it does allow us to launch the content we want to see without having to use one expressly to connect the mobile phone to the TV. Miracast Smart View on a Samsung mobile. Image: Xataka Home One of the solutions that has tried to replace HDMI is Miracastusually known as Mirror screen or Smart View on Samsung phones. It is a protocol that works through Wi-Fi Direct It allows two devices to detect each other and we can mirror the screen of one on the other. This point is important since it only works in mode mirroringthat is, that clone screen contentit does not extend it or play a video from an app like a Chromecast does. With Miracast, if you want to watch a video that you have saved on your mobile on TV, you will have to leave your cell phone on and the same video playing on it. The advantage is that it is a cross-platform standard and allows you to send FullHD video with almost no latency. That’s when it works well, because Connection problems are quite common. Wireless HDMI Kits If you can’t (or don’t want to) run an HDMI cable to a display or projector, a solution may be to use a wireless kit. It consists of an emitter that sends the AV signal wirelessly to a receiver, which will be connected to the destination device, such as the TV. There are quite a few options available at relatively affordable prices, such as this one from UGREEN that costs less than 60 euros or a little more expensive, like this one from VENTION for 119 euros. The problem with these types of solutions is mainly the interference and, above all, latency. In addition, they have limitations such as lack of HDR support and many do not support 4K video. HDMI is still necessary Although there are alternatives without cable, they are just that, alternatives, not substitutes. Yes, there are proposals that improve HDMI, such as GPMI standard developed by an organization of more than 50 Chinese companies. This interface promises transfers of up to 192Gbps and supports 8K video, but even if it manages to displace HDMI You still need a cable. There are no wireless alternatives that improve the performance and stability of a physical HDMI cable, especially in scenarios where latency is key such as competitive video games. Whether on the console or the PC, the cable will always be the preferred system in this case. It is also best if you are interested in obtaining the best video and audio quality, for example when connecting a home cinema system, and you prioritize connection stability. Of course, you have to choose the cable well and the port to which we connect it to get the most out of it. Image | Xataka In Xataka | The curse of hotels are TVs that do not allow you to use the HDMI port. The solution is obvious: hack them

Chips connected by laser instead of cable. It seems like science fiction, but it aims to revolutionize data centers

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If you have ever mounted a PCSurely one of the points on which you have had to pay the most attention is the connections. Because understanding the power of the processor, the GPU or the speed of the RAM is “easy”, but the motherboard is what allows us to interconnect all these components with ‘highways’ in which the data speed can be maximum. In the data centers and serversthis is the same: the better the connections between chips and equipment, the lower latency, higher bandwidth and better performance. These connections are made physically, but there is a French startup that wants to change the rules of the game with NVIDIA. As? Connecting the chips by laser. Chips connected by laser and NVIDIA taking out the wallet Improving interconnection speed is no small feat or a whim. NVIDIA has begun manufacturing its next generation platform, the one named Vera Rubin. It is a system that can be combined with others to multiply benefits. That union, as we say, is physical, but there comes a point at which physics is no longer enough. When that arrives, NVIDIA wants to be ready and, a few days ago, Reuters reported on a $4 billion investment by NVIDIA in two companies that are aggressively researching new technologies to help increase that interconnection speed: Lumentum and Coherent. This is a rack and the nightmare of those of us who hate cables. Specifically, that of the Wikimedia Foundation. Well, imagine that a large part of those cables go outside because the systems are connected by electricity Another of the companies in which they have invested is Scintil Photonics. It is a French startup that this in the testing phase of a technology that, if the industry adopts it, will mark a before and after in this connection on a team scale. The LEAF Light Evaluation Kit is, as detailed, the first dense wavelength division multiplexing single chip to go from theory to practice. It’s like another language, I know, but it’s basically what we were talking about: an optical chip interconnection system instead of copper. And that is the main advantage. With copper reaching physical limits of speed and density, optics are emerging as a solution when connecting clusters of thousands of processors. Each chip has an optical system that is responsible for emitting and receiving light, and in that light goes the data that is currently traveling through cables. The one from the French company it is not the first chip based on photonic communication, but they claim that their technology reduces the energy necessary for them to work by 50%, as well as latency. Results? Well we’ll see. The startup’s CEO, Matt Crowley, has commented that he has “six or seven companies interested in implementing the technology by 2028,” but that due to confidentiality agreements, he cannot name names. The Scintil Photonics prototype The complication in this will be that they get supply of the photonics systems, since the data center racks are built with the idea that they are scalables. That is, it is no longer just power, but how many tens of thousands of units you can interconnect, and a bottleneck in the manufacturing of any of the parties involved in optics would be equivalent to a lack of supply for their customers. At the moment, some prototypes have already been served to select companies for testing, but certainly, using light pulses instead of electrical signals is something that is very interesting in superclusters focused on huge data centers that can scale without the limitations of the physical connection. Images | Victorgrigas, M.I.T., GlobeNewswire In Xataka | Huawei no longer competes: it is building its own parallel reality

China wants to lay a cable from Chile to Hong Kong. And in the process, it has put Chile in a storm against the US

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Next March 11, Chile will have a new president. Gabriel Boric will no longer be in charge of the country and José Antonio Kast will land in the presidential chair. And he arrives just to take care of a morrocotudo mess: the submarine cable that China is deploying from Valparaíso to Hong Kong. And, evidently, the United States does not like this situation one bit. To the point that he considers it dangerous for his safety. In short. On February 20, the United States revoked the visas of three Chilean officials. The reason? Concern about an underwater cable that will connect Chile and Hong Kong. It’s not so much the cable, but who is ‘pulling’ it: China. As they point out in Mercopressit was the outgoing president who managed the agreement to deploy this cable through a concession decree signed on January 27, which allowed the company China Mobile to install, operate and exploit the cable. 48 hours later, that act was annulled citing “technical errors” and the Boric Administration commented that the project was in the evaluation process. The United States, however, wasted no time and banned the visas of the Minister of Transportation and Telecommunications, the Undersecretary of Telecommunications, and the Chief of Staff of Subtel (Chile’s Undersecretary of Telecommunications). The storm it had just started. political war. Marco Rubio is the Secretary of State of the United States and accused Chilean officials for having “knowingly directed, authorized, financed and supported activities that compromise critical telecommunications infrastructure.” You may be wondering what the United States cares about what Chile does, but Rubio continued by pointing out that this decision “undermines regional security in our hemisphere.” “Which hemisphere” is not the question, but what is happening now. Because Chile has responded that the accusation is “absolutely false” and describes the United States measure as “unilateral,” also pointing out that it is something that goes against Chile’s sovereignty. China has not stood by and, through its embassy in Santiago de Chile, accused the United States of acting in a hegemonic manner, ignoring Chile’s sovereignty to carry out these projects in its territory. If you look closely, the cables from the American continent pass through the US except for Google’s Halaihai, at least directly Cross-fire. Brandon Judd is the US ambassador to Chile and has sided with his government… going a little further in the accusations. Affirms which had already warned the Chilean authorities of what would happen, describing the agreement with China as an intrusion into Chilean telecommunications systems carried out by “malicious foreign actors.” And, as we said, it will be next March 11 when the new president will take office with a pending task: solving a monumental ballot. From the Foreign Relations Department of the incoming president, it has already been saying that “everything possible will be done to ensure that foreign policy allows for the best possible relations with all countries.” A 0º, neither cold nor hot. Influence. Leaving domestic and foreign politics aside, the cable is known as Chile-China Express and is estimated to measure almost 20,000 kilometers. It will link the Chilean city of Concón and reach Hong Kong. The budget is about 500 million dollars and its importance seems key because it would represent the first transpacific data route that would completely avoid routing through North America. From China Mobile it is pointed out that this cable will allow establish Chile as “the central node of the computing power network between China and Latin America.” Now we begin to understand what it is that “undermines regional security in our hemisphere” to which Marco Rubio referred. If completed, it will be a cable deployed by China and in which the United States will have no say, but which reaches the American continent. And we say that it is an important ballot for the new president because the United States injects a lot of money into Chile, being its main foreign investor, but China is the main trading partner of the country. A cable is going to put Kast between a rock and a hard place. Not only in telecommunications. In the background, we have a United States that is looking at the wolf’s ears. In recent months, and at an accelerated pace, China has been moving its chips. It has done this in developing countries on the African continent through energy deals, infrastructure construction, agreements to mine strategic elements and expand its automobile market. But he is also doing it in America. When the United States turned its back on Mexico with tariffs, China was there to offer to open factories. He is carrying out energy projects on American soil, he has interest in some of the strategic ports of the continent and is rolling out infrastructure, such as a railway line that, if completed, will link South America from east to west. The cable between Hong Kong and Chile is just one more piece of a puzzle that Beijing is weaving, which has already torn off with the works. And Washington only sees one thing: the wolf at the doors. 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

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

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It has been at the bottom of the sea for more than two decades, forgotten. But now, finally, the TAT-8, the first fiber optic cable that crossed the Atlantic and connected us to the Internet, is being removed from its place. And to understand the importance of this, it is worth telling its story, since perhaps the Internet would not be as we know it without this cable. The cable that started it all. On December 14, 1988, AT&T, British Telecom and France Telecom developed TAT-8, the acronym for Trans-Atlantic Telephone 8. It was the eighth transoceanic cable system between Europe and the United States, but the first to use optical fiber. Before him, transatlantic cables ran on copper, with very limited capacity. With the TAT-8, voices and data traveled converted into pulses of light through glass threads thinner than a hair. Just like account Wired in its report, at the inaugural event, writer Isaac Asimov connected by video call from New York with audiences in Paris and London to celebrate, in his own words, “this inaugural voyage across the sea on a ray of light.” Why was it so important? When it came into operation, the Internet was still too technical a concept for the general public. But the TAT-8 literally built the highway on which everything later circulated. The curious thing is that in just 18 months it already reached its maximum capacity, so this forced new cables to be laid as soon as possible, especially after the outbreak of the world Wide Webelectronic commerce and in a context in which the Internet became increasingly relevant. By 2001 the TAT series had already reached 14. Disconnection. Just like account In the middle, in 2002, the TAT-8 suffered a breakdown, and repairing it was not worth it, it was that simple. With more modern and higher capacity cables already operational, it made no sense to invest in their recovery. It went offline and was abandoned at the bottom of the Atlantic, where it has remained for more than two decades. Now they are taking it out of the sea. According to collect Wired, a specialist company called Subsea Environmental Services is physically recovering the cable with its vessel MV Maasvliet. It is one of the few companies in the world whose entire business consists of recovering and recycling retired submarine cables. The operation involves dragging a flat hook across the seabed, waiting hours until tension is felt in the cable, and then hoisting it aboard meter by meter. The workers they explain As the ocean floor is an increasingly crowded space, and recovering old cables frees up routes for new ones. What is done with the remains. The TAT-8 is not thrown away. Fiber optic cables contain high purity copper, steel and polyethylene, all recyclable materials with market value. Copper, especially, is a valuable resource and may become scarce in a few years. And according to the International Energy Agency, in less than a decade could be scarce if the industry does not find new sources. On the other hand, the steel of the cable will end up being converted into fences, and the plastic, processed in the Netherlands, will be transformed into pellets to manufacture non-food packaging. In fact, just as they count At Wired, you may soon be using shampoo in a bottle made from remains of the first fiber optic cable to cross the Atlantic. Sharks. Curiously, the TAT-8 is at the epicenter of one of the legends that has lasted the longest in this sector: that sharks bite internet cables. Just like share In the middle, it all started with a test prior to the TAT-8, the Optican-1, which ended up failing due to problems in its insulation. A Bell Labs engineer appeared at a conference with shark teeth that had supposedly been removed from the damaged cable. The story spread instantly. As well as point At the time, AT&T even included four pages on protection against shark bites in its press kit for TAT-8. Actually, there has never been consensus about whether the sharks really caused that damage. Subsequent tests in aquariums, where they were starved to see if they would bite into wires with electric fields, did not yield any clear patterns. At least the outcome of all that testing and debate was positive, as engineers added a layer of steel between the insulation and the fibers, which improved the cable’s overall resistance to abrasions and damage of all kinds. Cover image | What’s Inside? In Xataka | In 1901, a Spanish man had one of the ideas of the century: invent the remote control before television

when you need to buy the most expensive cable and when the 5 euro one is worth it

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You go to a store like Amazon and type ‘HDMI cable’ in the search engine. The results show a lot of options and all, at a glance, they are almost identicalyes. Yes, there are braided cables, cables of different lengths, or you can even find cables of other colors, but there doesn’t seem to be much difference between them all. Despite this, there are very cheap cables and others that cost more than 20 euros. Your first impulse may be to go for the cheapest one that has the meters you need. Ideally, you should spend a moment on the details, since the cheapest ones are usually HDMI 2.0, while the most expensive ones are HDMI 2.1. What does that mean for you? Let’s take a look at it so you know if it’s worth investing a little more or if one of these cheap cables works for you. Choosing an HDMI 2.1 cable In short, HDMI 2.1 cable is better. The main difference between this and HDMI 2.0 is that it has greater bandwidth (more than double, in fact). In practice, this means that the cable can handle and transport more information per second. Since we are talking about an HDMI cable, we are referring to image and sound. Precisely because it has more bandwidth, this cable can move higher resolution at higher hertz. It is the right one if you plan to see 8K resolution content (although for commercial 8K content there is still) or if you are looking to play something at 4K at 120 Hz. The latter is what leads many people to go for one of these cables because it is the way to get the most out of a PlayStation 5 or one Xbox Series X. To the greater bandwidth of this cable, we must add some technologies such as dynamic HDR or others that are also great for video games and that are not present in HDMI 2.0. The most important one is called VRR (either Variable Refresh Rate), which basically makes the console or PC and the TV “agree” so that the image does not jerk. We have two examples of VRR with two technologies that are usually present in many monitors, such as NVIDIA G-Sync or AMD FreeSync. There is also ALLM, which makes the TV’s Game Mode activate automatically when you connect the console. This is very convenient because it will save you from doing it manually every time, but it is great when playing because reduce latency. That is, it minimizes the time that passes between you pressing a button and the action being displayed on the screen. For competitive games it is key. If you have a good sound bar for TV at home and you want to connect it via HDMI, then choosing an HDMI 2.1 cable may be a good idea. Here comes into play what is called eARCwhich allows you to command uncompressed audio in the highest quality from the TV. Where is the “but”? So that all these things that we tell you are worth something, It is necessary that both the TV and the console or PC are compatible. You can use the cable if they are not, but you will have spent more money and you will not be taking advantage of it. The good thing is that check if your TV or monitor has HDMI 2.1 It’s not difficult. Choose an HDMI 2.0 cable The best cable doesn’t have to be what you need. The HDMI 2.0 cable has less bandwidth, as we said above, but it is still more than enough for 4K and 60 Hz content. This combination, today, is the most common when playing with all consoles. Plus, it still supports HDR. For this reason, it can be great for consoles from previous generations (PlayStation 4 or Nintendo Switch, for example) or for a TV Box. Another asset that this HDMI 2.0 cable has: the price. Generally, this type of cable It is significantly cheaper than HDMI 2.1. That, which is great for our pocket, also allows us to buy one of better quality without having to spend a good pinch. Because yes, the quality of the cable or connector matters (a lot). And the distance, because the longer the cable is, the more likely it is to suffer losses or interference. What is the main drawback of this cable? May it become obsolete soon. If you don’t plan to change your TV or console right now, HDMI 2.0 is perfect. Now, when you switch to a newer device that supports HDMI 2.1, you will have to buy a new cable if you want higher resolution and more fps. In other words: if renewing consoles or TVs in the short or medium term is on your mind, buy an HDMI 2.1 directly. The good and the bad of both options, face to face HDMI 2.1 HDMI 2.0 THE GOOD 🟢 It reaches up to 8K and 60 Hz (or 4K and 120 Hz) and has exclusive technologies It’s cheaper and still capable with 4K and 60 Hz THE BAD 🔴 It is more expensive and you will not get the most out of it if your TV is not compatible It will soon become obsolete if you plan to renew your TV or console. Ideal for: Play at higher fps and higher resolution with a PS5 or Xbox Series X and to play audio in the best quality Consoles from past generations or watch movies, series and football if you don’t have an 8K TV We do the math to see which one can compensate you more. Both options have their advantages and disadvantages, so now let’s see which one may interest you more depending on which cases. Here it will depend a little on what you are looking for, but especially on What TV or monitor are you going to use the cable for?. The advantages in resolution, Hz and technologies of HDMI 2.1 are obvious, … Read more

the new life of your Cable Car

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This week, January 20, 2026, works started to dismantle one of the symbols of Madrid. They are, however, the first step to modernize it and adapt it to current security standards. With more than 50 years Behind them, the Madrid Cable Car is being taken down. The reason is a comprehensive renovation of the infrastructure. In fact, the cable car will remain alive but The iconic image will no longer return of the blue cabins supported by cables that seemed to flex too much. Because those cables with more than half a century behind them are being dismantled. The project includes a completely renovated cable car. Fewer cabins, faster journeys and, of course, the obligatory announcement that we will have the AI ​​monitoring possible incidents. It is a turning point in a story that was born at the end of the 60s. A cable car to nowhere Year 1969. Gento continued running on the Real Madrid wing and Gregorio “Hacha braba” Benito brought order to the center of the defense. But the team’s best years in Europe had passed. Gárate, Ufarte, Adelardo and Luis Aragonés would lead Atlético de Madrid to become League champion the following year and a few years later to brush with glory in Heysel before that great shot hit the net by one of those Germans with an unpronounceable name. The 60s gave way to a new decade and Madrid began to breathe a certain air of change without yet letting go of its most traditional signs of identity. Carlos Arias Navarro, then mayor of the city, turned the city upside down to get anywhere by car. Urban highways such as scalextric from Atocha and the proliferation of parking lots honored the rich Madrid tradition of drilling holes in the ground and always keep some work active. But, unlike motorized vehicles, in 1969 Madrid inaugurated a mass of iron that allowed people to fly above what would later become the M-30 and unite the Argüelles neighborhood with the Casa de Campo, then open to traffic and the classic setting for Sunday picnics. The plan seemed perfect to spend a day with the family eating tortillas away from the hustle and bustle. A completely isolated hill that, really, has no services at hand. What then led to building a cable car to nowhere in a city that was in full ferment and whose neighbors seemed eager for new plans? They count in elDiario.es that, really, the current Casa de Campo station was nothing more than an intermediate stop to get to the Amusement Park and the Zoo. That 1969, in fact, an attempt was made to inaugurate the first of these attractions together with the Cable Car, taking advantage of the festival of San Isidro, patron saint of the city, but the flying cabins had to wait because some neighbors tried to stop the project, claiming that the passage of these vehicles did not respect their privacy since they could see the interior of their houses. The Casa de Campo Cable Car station is linked to the Lake, the Amusement Park and the Zoo by roads that run through the interior of the urban park. But then you had to walk through pine trees to get to the recent Amusement Park, which is located just over a kilometer from the end of the cable car. To get to the Zoo it is necessary to double the distance. And the project contemplated joining both spaces with the cable car in a monorail that never came to fruition. If it had left, one of the city’s wealthy neighborhoods would be linked by air to two of the municipality’s great leisure attractions at that turn of the decade. The project, however, was stopped. Since 1969 it has been in operation with the same infrastructure, its cables have remained active for more than 50 years and it is estimated that it has transported more than eight million people. In 2022, a review temporarily paralyzed the facility when it was considered that it was not completely safe and in 2023 it was temporarily closed indefinitely. Now, the Madrid Cable Car seeks to write a new page in its history. This week the works for its dismantling began but a renovation project is already underway, so that the cabins can fly again for almost three kilometers above the Parque del Oeste and the Casa de Campo. They will do it with new cabins and renewed cables from Switzerland. With artificial intelligenceof course, which according to the Madrid City Council will help control incidents. Spaces that will weigh a ton with seats to transport a total of 10 people per trip. The challenge, they say from the City Council, has been to put new material in a space that was designed 60 years ago, they collect in The World. If everything goes ahead as planned, the flying cabins will return to the Madrid sky next year. They will do so after a five-year hiatus and almost 60 years after the first travelers covered that walk that, one day, should have linked the Argüelles neighborhood with the Madrid Zoo. Photo | FDV on Wikimedia and Madrid City Council In Xataka | Madrid wants to put 110,000 tons of weight on the M-30. And the challenge is not technical: it is not to collapse the road

There is an invisible chip in every USB-C cable that decides whether your phone charges fast or slow: almost no one knows it exists

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There is a small and notable chip in our USB-C cables. This is the so-called “e-Marker”, which is especially important. The reason is simple: when we connect a cable to a device, it is responsible for indicating to those devices whether the cable supports more or less transmission or charging speed, for example. USB-C chaos is a little less chaos. USB-C connectors completely dominate the market, especially after European regulations that require them to be used to charge mobile phones and other devices. Although they have become the Swiss army knife for connecting all types of devices and peripherals, it is not easy to know what we can do with a cable when we connect it to our mobile phone or laptop, for example. And that’s where the e-Marker chip (Electronically Marked ID chip) comes in, a fundamental yet invisible component of the connectivity of our devices. In Xataka We criticize the EU a lot with its obsession with regulating Big Tech. There are at least two examples that justify this obsession A chip to identify everything. The official specification of the USB-C standard clearly indicates the mission of this chip, which is responsible for showing what capabilities the cable in question has. The document that talks about this chip is the one dedicated to USB Power Delivery, the power delivery function through these cables. Specifically, the identification data includes: Manufacturer and model of the cable. Signaling protocol: that indicates the maximum transmission speedthat is, if it is a cable with USB 2.0 support, or USB 3.2 of one generation or another (Gen 1, Gen 2, etc.). Active construction (in long cables there may be chips that regenerate data signal to act as a kind of repeater) or passive construction (they do not alter the data signal). How much power does the VCONN pin (intended to power accessories) consume? Whether the cable can support 3A (standard) or 5A (required for powers from 100 W to 240 W). Latency (signal delay over the cable). RX/TX directionality (how the high-speed cable pairs are configured). SOP Controller Mode: Whether the cable controller can communicate independently with the charger or device Hardware/firmware version. One of the sections of the USB Power Delivery specification that talks about this chip. Source: USB.org An active safety mechanism. The e-Marker is not only official, but is a mandatory part of the USB Power Delivery (USB-PD) specification dictated by the USB Implementers Forum (USB-IF). This chip acts as an active safety mechanism, and during the power negotiation phase, the chip tells the charger “I am a cable certified to support up to 100W” (for example). If the charger does not receive that digital confirmation, it will assume that the cable is basic and cheap, restricting the flow of power or data transmission. Does your phone charge slowly or is the transfer using pedals? In fact, if a USB-C cable does not have an e-Marker chip, most device drivers will automatically treat it as a USB 2.0 cable. That means that even if the cable is physically capable of more, the speed will be limited to 480 Mbps maximum, and charging will also be slower. With 3A you can reach 60 W at 20 V, so even so this section is not so affected and it also depends on the charging capacity of the charger. {“videoId”:”x8dmqaj”,”autoplay”:false,”title”:”One USB-C TO RULE THEM ALL- the European Union approves a single charger for mobile phones”, “tag”:”webedia-prod”, “duration”:”54″} The rails. High-speed cables (USB 3.2, USB4, Thunderbolt) have multiple pairs of copper wires designed to transmit data in parallel. The e-Marker tells the device “I have all the threads necessary to activate dual lane mode.” If this confirmation does not arrive, the transfer speed is again limited. The e-Marker on long cables. Another function of the e-Marker, as we said, is to identify the length of the cable. At high transmission speeds the signal degrades very quickly, and the e-Marker is responsible for notifying you, allowing the device (mobile phone, computer) to adjust the signal strength to compensate for potential data loss. Support for alternative video modes. Another option that this chip enables is to indicate what video connection standards the USB-C cable in question supports, and if, for example, it has the necessary bandwidth for 4K or 8K resolutions. There are “readers” of the information provided by the e-Marker chip, although they are not cheap: this one from ChargerLAB costs about 140 euros. Two key pins. The “brains” of a USB-C connector are located on two specific pins known as the configuration channel (CC). These pins (CC1 and CC2) allow, for example, the orientation or reversibility to be detected. Since the connector is reversible, the device needs to know which side you inserted the cable to activate the appropriate data pins (TX/RX). When connecting it, the side will be identified, and based on that the rest of the pins are switched for transmission. The other pin of the configuration channel becomes Vconn to power the e-Marker chip. In Xataka | Mobile phone manufacturers first stopped including the charger with every purchase. Your next threat is clear: the USB cable (function() { window._JS_MODULES = window._JS_MODULES || {}; var headElement = document.getElementsByTagName(‘head’)(0); if (_JS_MODULES.instagram) { var instagramScript = document.createElement(‘script’); instagramScript.src=”https://platform.instagram.com/en_US/embeds.js”; instagramScript.async = true; instagramScript.defer = true; headElement.appendChild(instagramScript); – The news There is an invisible chip in every USB-C cable that decides whether your phone charges fast or slow: almost no one knows it exists was originally published in Xataka by Javier Pastor .

ride a 15 kilometer long cable car

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Mexico City is one of the most massive cities on the planet. Also hell when it comes to transportation. It is about one of the most congested cities in the world because you have to take the car for absolutely everything, but the Government found a solution: the cable car. What we have associated with ski resorts and tourism is in Mexico the artery for thousands of people to move much more quickly and economically. After a line of almost 12 kilometers, Mexico City is preparing something worthy of China. A new 15 kilometer cable car that will become the longest in the world. In short. If someone controls cable cars, that is Doppelmayr. This Austrian company is the largest manufacturer of cable cars in the world and is the one that, as we read in EFEis going to be in charge of the new longest cable car in the world. In total, 15.2 kilometers in length for Line 5 of the Cablebus of the Mexican capital. This line will have twelve stations, will interconnect the suburbs of Álvaro Obdal, Contreón and Beni Contreón and it is estimated that it will be able to transport 3,000 passengers per hour and direction in the 642 cabins it will have. The project will have a cost of about 400 million euros and something that draws attention is the start-up: 2028. It is one of the advantages of this transportation system. While railway lines, subways or roads require years of planning and construction, laying cable car cables is faster and easier. The longest, but not the only one. Those 15.2 kilometers are impressive, but they are not that far from other lines that already operate in Mexico City. Without going any further, Doppelmayr has laid more than 25 kilometers of cable between three lines that operate in different parts of the city and they are already building a Line 4 of 11.4 kilometers in length. In addition to Cablebús, there is Mexicanable (that came before), with another 13 kilometers deployed. Mexicable is the system of the State of Mexico operated by a Mexican company, while Cablebús is from CDMX and operated by Doppelmayr. Advantages. Aside from the short development times from when the project is approved to when it starts operating, the cable car is a relief for daily traffic. The first thing is that it is a simple way to connect the suburbs with the most central parts. Areas that are poorly connected today will be able to access a continuous route with other areas. In areas where the orography is complex and the roads are collapsed, it is a real transportation alternative. And, although it does not have the capacity of the metro, it is affordable transportation and, as we say, any help when it comes to decongesting the city is welcome in a city where Mexicans spend, on average, a hundred hours in traffic jams. There is also a reduction in CO₂ emissions into the atmosphere. The intangibles of ‘Cablebús’. Although they are not perfect and are sensitive to extreme weather conditions, such as strong winds or storms, there is something less visible, but equally important: the state of mind with which the user arrives at their destination. One of the problems that CDMX faces is that the population is geographically far away and disconnected. Travel times from peripheral areas to employment, education or health centers can be up to an hour and a half when the cable car would take about 45 minutes. This reduces the inequality gap, which is measured not so much in money as in hours and opportunities lost by living so far away. A study of the United Nations Office for Project Services measured the benefits of two Cablebús lines, specifically what they called: generalized travel costs. They are everything that a passenger absorbs beyond the price of the ticket, and the conclusion is that traveling by cable car saves 466 million hours in 20 years, 102,000 tons of CO₂ into the atmosphere and users arrive more rested where they need to go. Also safer as they are not exposed to traffic accidents. And, in the end, although they are not a magic solution, in certain cities, especially where the terrain is not a help, cable cars seem like a support for decongest the brutal daily traffic. When lines 4 and 5 are completed (by 2028), Mexico will have about 50 kilometers of public cable car. Images | Government of Mexico City, Joke 2021 In Xataka | Mexico spent a fortune building its Mayan Train to attract tourists. Things are not going as expected.

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