How to build an atomic bomb at home

Almost half a century ago, when there was obviously no internet and geopolitics revolved around The cold wara fact occurred that made alarms jump to society. Actually, that was the preamble of what would later be enhanced with the networks: use the public material and information available to anyone to develop weapons. With an exception: I was in Liza Build An atomic bomb In the house storage. How to become a legend. Year 1977. A little prominent student from Princeton University He surprised the world Entero (and to the FBI) ​​with an academic project that, under the revealing title of “How to build your own atomic bomb”, detailed to chilling precision the necessary steps to manufacture a functional nuclear weapon. Its author, John Aristotle Phillipsa 21 -year -old born in Connecticut, was the son of Greek immigrants and was studying without standing at all: he had repeated courses, he touched the suspense and was better known by Your pet costume of football than for their academic achievements. His transformation into an international figure came from the hand of an unexpected combination of obsession, stubbornness, ability to seek information and the challenge of impressing a legendary teacher. The academic challenge. Phillips faced a final task proposed by the famous physical Freeman Dysonwho taught in Princeton after having worked with figures such as Richard Feynman and Hans Bethe In some of the most complex projects of the twentieth century, including the development of the atomic bomb inside of the Manhattan project. Dyson had asked his students to work on nuclear proliferation, and Phillips, aware of his lack of academic brightness, wanted to stand out with a provocative proposal: to recreate the design of a bomb similar to that of Nagasakiusing only public sources. Dyson, surprised by the audacity, humorously accepted the challenge, promising an outstanding qualification if he succeeded, but also that he would burn the work after reading it. An obsession. For weeks, Phillips worked tirelessly between Princeton Library and his room, collecting Declassified Document Information of the National Technical Information Service, Physics textbooks, government communications and consultations with the Du Pont company about implosion principles. Without using a single classified source, he managed to assemble a 40 -page document where I explained step by step how to make a nuclear bomb. He delivered the work, obtained the maximum note and, far from being destroyed as Dyson had suggested, his project began to circulate from mouth to mouth until he reached the ears of professional physicists and media. A national celebrity. The dissemination of work attracted the attention of experts such as Frank Chilton, a physicist specialized in nuclear engineering, who said that Phillips design was Technically viablewith the exception of access to plutonium, the only obstacle to its materialization. The news It exploded in the media: The boy without an academic future became forever In “The A-Bomb Kid”a media figure that symbolized both unexpected brilliance and the dangers of dissemination without control in the nuclear era. Fame reached a critical point when several pakistani scientific assumptions approached Phillips to offer money in exchange for the document. The FBI intervened immediately: confiscated the work and a model that the student had built, and classified the material as sensitive information. The contradictory inheritance. Far from taking advantage of his sudden fame to continue in the academic or scientific world, Phillips published in 1979 with David Michaelis the book Mushroom: The True Story of the A-Bomb Kidwhere he narrated his experience and the journey of his unusual rise to fame. Over time, his awareness about the risks of nuclear proliferation led him to become an antinuclear activist, dedicating years to warn about the ease with which certain knowledge could fall into wrong hands. In fact, and in a turn of the events that no one expected, its trajectory finally resulted In politics: He was running as a Democratic candidate for the United States House of Representatives in 1980 and 1982, although that, without electoral success. The truth is that never He shone again as he did in that university project. A warning in full “era.” The history of Philips cannot be more relevant now that the world seems more convulsion that never. In fact, Aristotle’s case It marked a precedent disturbing: A student without access to classified materials managed to design, using only public sources, a functional nuclear artifact. In a global context where technological proliferation has only increased, its history continues to be used as an example in debates about information security, scientific education and ethical limits of knowledge. Although he never physically built the bomb, his work showed that the danger does not always come from professional spies or enemy governments, but also from curious minds with a long time, access to libraries … and a typewriter. Ironically, today there is no need for any of the three keys. Image | Rawpixel In Xataka | How to survive an atomic bomb (and why it is better not to run after the explosion) In Xataka | In 1940 USA offered 100 million dollars to Denmark for Greenland. NASA has found the reason: a secret city

Goodbye Google Home, Hi Alexa

In Xataka we are released, today we launched on the Xataka YouTube channel “Domotize or die in the attempt”the new series of videos in which we are going to accompany our partner Ana Boria in The dream The nightmare of automate your entire house. Throughout the next few weeks we will accompany them to see the difficulties, problems, discussions and solutions that live in the process. And if any of you have tried to domote your home for yourself, you will know that although at first it seems very simple, the task can be complicated in a beautiful. And yes, I have said we will accompany them, because together with Ana we will meet their future husband Álex and their two beautiful cats, Light and Sia. In the first episode, they begin by making the first decision that will mark the rest of the domotization of their home: what voice assistant to use. A question that many have asked ourselves and for which he already has an answer. Ana has been using the Google Nest Minibut it’s fed up and it’s going to try with Alexa. The next step will be the installation of relays and the automation of the blind, will it be able to do it alone? We will see it in the next chapter of “Domotize or die in the attempt.” If you plan to domote your house or want to know to what extent it can be achieved that a house is 100% connected, you cannot miss this series in which you will know the process thoroughly. Image | Xataka In Xataka | Thus I automated all my house with artificial intelligence and an Open Source system

Thus Imagine Samsung the future of the connected home

Samsung has been one of the manufacturers who has decided Bet strong for artificial intelligence. We began to see it with Galaxy AI in its smartphones and tablets, but it was a matter of time that this technology was integrated at a deeper level in its appliances. And so it has been The idea of ​​”connected home” makes sense to the South Korean manufacturer if we imagine an ecosystem of devices and appliances that can communicate with each other. And with which we can interact through screens. Screens everywhere. Therefore, Samsung has decided to renew its high -end catalog and provide its most interesting functions for day to day. AI at home, how do we use it? The connected home is not a new concept. There are already devices that integrate with each other and with which we can interact through the voice or mobile, but Samsung seems to want to go one step further using artificial intelligence and screens as a catwalk Attend the World of Samsung 2025 In Frankfurt (Germany) it has helped me to verify that when they proclaimed their motto “Screens everywhere“They said it seriously. We started seeing Samsung’s first intelligent refrigerators years ago equipped with a big screenthe Bespoke French Door with AI Family Hub+, but now there are also screens in the washing machine and the dryer. Because? So that? Although it is a new version, redesigned, this new screen has been called Ai Home and that they have incorporated it into more appliances has a clear objective: Learn from our habits and routines so that we have nothing to worry about. Ai Home is smaller, we can find it in 7 or 9 inches (compared to 32 inches of the family hub), and is integrated into washing machines, dryers and refrigerators. It has the same functions that at first we saw in the Family Hub: Reproduce streaming content, consult information such as time, share images of the gallery, receive calls and provide all kinds of information related to the functions of the appliance in question and saw it for the first time in the Bespoke Ai Laundry Combo. This screen is the access door behind each appliance. It is the tool that users have to interact with the technology that is implemented in these appliances and that aspires to change the connected home paradigm. Or that is Samsung’s idea. How Samsung integrates AI in its appliances Since the celebration of CES 2025 we have seen that Samsung has announced several new appliances with artificial intelligence functions that promise some comfort to the user. The new washing machines of the manufacturer, for example, incorporate the technology AI Wash, which detects the type of garment tissue and the level of dirt through weight and load sensors and artificial intelligence algorithms. From there he decides What is the most appropriate washing cycle and the amount of detergent that is needed. The dryers, more of the same, with AI Dry the drying process is adjusted taking into account the weight of the clothing and the type of tissue. The processing of this information is generally made locally. These types of appliances have integrated microprocessors that are able to execute the necessary algorithms without doing it in the cloud. And, in addition, both appliances can be linked to Auto Cycle Link technology, so that we do not have to bother us to select any program. The dryer Receive the necessary information of the washing machine on the garments that has washed and adapts its cycle. The way in which artificial intelligence is manifested in refrigerators has a lot to do with how they are capable of Regulate the interior temperature In case of necessity. Either to adapt to the outside temperature or so that there is no problem if you need to be opening and closing the door for a while. Thus, temperature changes will not directly influence food. As in the washing machines and dryers, the user experience with this technology in the refrigerators is nourished mainly through the Ai Home. Thanks to the camera and the function Ai Vision Insidethe user can access a list of foods that have been registered when introduced and taken from the interior. Thus, for example, it is not necessary to be at home and look at what is needed in the fridge, it can be consulted directly from Smartthings. In the air conditioners and the vacurers we do not find the AI ​​Home, but they do not forget the artificial intelligence. These appliances include a function that, being linked to a galaxy watch, They detect when you have fallen asleep And then they activate their echo mode, which they call Windfree. Artificial intelligence provides a huge number of functions thanks to all the sensors that are integrated into these appliances with the intention of making the user more comfortable. In addition to promising more efficient consumption, so Savings in the Light Invoice It can be noticed quite a lot. And that consists of Energy Mode, a smartthings function that allows the user to access all the information related to the energy consumption we do with our appliances. In this way, it is much easier to have a global image of what our energy expense is, how we could do a more efficient consumption And what is the environmental impact we have. Is AI in homes something for everyone? It is clear that AI in homes goes far beyond being able to have colored bulbs and ask Alexa to turn on or off the light. Until now, if we stopped to think about a connected device ecosystem, the most logical thing is that a smartphone chain, smartwatch, computer and some Wearable further. Samsung’s proposal, in this case, expands this concept and expands it to a complete network of connected appliances where everyone offers functions based on artificial intelligence. None of this seems something “of the future.” But of course It is not available to everyone. At least, for now. Artificial … Read more

Thus an engineer ended up turning a plane into his own home

Can you imagine spending the rest of your life on a plane? Not flying, not going from one destination to another, but living inside it. Day after day. Like a real home, with all that implies. As CNBC points outthis was Bruce Campbell’s dream, a retired electrical engineer who currently lives in a Boeing 727 In the middle of a forest on the outskirts of Portland, in Oregon, United States. When a commercial plane reaches the end of its useful life, It is likely to end up dismantled. The most valuable components – like engines, airplane systems or landing gear – usually recover, but fuselage can be abandoned for years in one of the great world aircraft cemeteriesalthough there are recycling initiatives for aluminum and titanium parts. Bruce Campbell was not convinced by the idea that structures as complex and sophisticated as commercial aircraft ended up unscathed and forgotten in a desert corner. He thought that if they could no longer fly, at least they could remain useful in another way: as habitable spaces. With that idea in mind, in 1999 he bought the fuselage of a retired passenger plane, along with several of its internal components. According to USA Todaypaid for everything $ 100,000 (about 190,000 to the current change). A BOEING 757 converted at home But buying the plane was just the beginning. The next challenge was to move it to its new destination. To do so, the aircraft had to be partially disassembled and transported in truck to its farm on the outskirts of Portland. Once there, between trees and vegetation, piece by piece was assembled again. Today it rests on a support structure that connects with the landing train and wings. Bruce has maintained much of the original plane design, including some higher seats and compartments. Visitors access one of the emergency doors and, when touring the central hall, they find an inhabited space, full of everyday objects: a microwave, a table, a refrigerator and several computers. One of them especially attracts attention: a Apple Macintosh Se From the end of the 80s, where visitors can leave a message. One of the spaces that most attract attention is the command cabin, where several of the original controls used by pilots to keep the plane in the air are still preserved. The thrust levers, the controls and much of the instrument panel remain in place, almost as if the plane were ready to take off. In the rest of the interior, wiring and electrical systems are completely in sight, a detail that fits with the mentality of Bruce Campbell, an electrical engineer of training. Far from reserving its unique housing as a personal refuge, Campbell has more than two decades receiving visitors. To those who approach with curiosity, it offers a small tour inside the plane turned into the house, where he shares his vision and his way of life. It should be remembered that we talk about a Boeing 727a narrow fuselage aircraft whose production was extended between 1962 and 1984. It was widely used in medium -range domestic and international routes – with an autonomy of up to 4,720 km in its most advanced versions – and became one of the most popular models of its time. More than 1,800 units were manufactured, although many were removed in the 90s, when airlines began to replace them with more efficient models. Images | Airplanehome/Bruce Campbell In Xataka | Faced with the fear of losing a fortune, the US denies a button off its F-35. It has something worse: the control of the “blue line”

Kaspersky has everything to protect us on the Internet from home

When we sail online, we are exposed to certain dangers that are difficult to fight. We are already used to seeing how there are large -scale data leaks, as well as continuous attacks of Phishing. Even shopping online or making a bank transfer, there may be risks for our data or our security. There are tools such as VPNs that are designed to give an extra security layer to our Internet traffic, as well as antivirus or systems that warn us of possible dangers in our Wi -Fi network. Of course, few services join these tools and others like Kasperksy, especially in regards to your premium plan. Now we have a great opportunity to get him: a year he goes out for 39.99 euros. Kaspersky Premium – Annual * Some price may have changed from the last review A tool to improve our Internet safety Kaspersky’s premium plan is the best that the brand has. Generally, it is priced at 79.99 euros a year, but right now it is reduced to 50%, that is, it costs 39.99 euros for the first year of subscription. Besides, has no permanenceso we can prove the service the first year and, if we are not satisfied, we lower ourselves whenever we want. What can we expect from this plan? One may think that it is only an antivirus for our PC (or telephone), But the reality is that it is much more. It has a system that warns us if there is any software in our team that is tracking us in some way, as well as protection for webcam and microphone to prevent someone from fying at home. Another point where Kaspersky is very interesting is when protecting our passwords, since it allows us store them and synchronize them between devices. In addition, it also has a tester that detects data leaks on the Internet, warning us if our data is among them. This supply of the Kaspersky Premium Plan includes a free year of Kaspersky Safe Kids, a tool designed so that our children can navigate or use your equipment safely. It has GPS tracking, filters for websites and even a system to manage time and use they give to its devices. Kaspersky Premium – Annual * Some price may have changed from the last review To all of the above, we must add that it includes a VPN, a service that is useful both at home and when we leave. For example, if we are going to use a public wifi or that of a hotel, using a VPN will offer us high security in a network that can entail more risks of all kinds. All this converts Kaspersky’s premium plan into A tool to have a much safer Internet experience. And at a very attractive price. Some of the links of this article are affiliated and can report a benefit to Xataka. In case of non -availability, offers may vary. Images | Domenico Loia In Unspash (with edition), Kaspersky In Xataka | Wi -Fi, configuration fund guide: everything you have to know to improve your connection In Xataka | These are the two things I recommend doing if you want to improve the safety of your accounts and you are not sure how to start

A VPN is your ally to win at home security, but above all outside. This surfshark now has almost 90% discount

There is no exaggeration that is worth: we live on the Internet. Much of the day we spent connected, through the browser or other applications such as social networks. Internet is a very useful window, but also houses certain inherent dangers that are difficult to control. In fact, data leaks are the order of the day, such as The one that has suffered El Corte Inglés. If we want to pay in an online store or put our data on some Internet portal we are exposing ourselves to suffering attacks. This is even more delicate if we use A public wifi network Or that of a hotel, for example. The best thing we can do is use a VPN And this surfshark comes out now at a difficult price to reject: 2.19 euros a month. Surfshark Starter Subscription – Monthly * Some price may have changed from the last review Surfshark can be used on all the devices you want It is true that there are free options when looking for a VPN, But most offer a slow and limited service. The investment that Surfshark requires now is so small that it values ​​its service, since it allows us to enjoy a much safer experience on the Internet for very little per month. One of the most interesting points offered by this VPN is that it allows us use it on all the devices we want With the same account, whether computers or mobile phones. We can always take it on the mobile and, if we go on a trip, we will have it there in case we need to connect to a network of which we do not have any information. Surfshark VPN is included in its Starter Plan, which is the one that has the price at which we refer a little higher. This package, the most economical of the three you have, It also comes with another very useful tool: Alternative ID. This allows us to create a series of fictitious data in case we want to register on a website and we do not want to use our real information. This pack has a price right now 2.19 euros A month, which means that two years of the service leave for a total of 55.56 euros. It is a real discount, since without this offer the same period of time costs 439 euros. And there the thing does not end, Since surfshark also gives us three additional months. Some of the links of this article are affiliated and can report a benefit to Xataka. In case of non -availability, offers may vary. Image | Surfshark In Xataka | Why it is dangerous to connect to public wifis and what you should do to protect yourself In Xataka | The best solutions to protect your data and your company’s computer equipment

Some time ago I bought this MSI laptop to work away from home. For this price it would do it again

The Black Friday is one of the best campaigns to buy a laptop, but occasionally – you are the store campaigns – we can also find even better discounts. In the Black Friday of 2023 I took the opportunity to buy the MSI Cyborg 15 for 949 euros, and now with the same configuration, but with twice as RAM, we have it in PCComponents for 999 euros. At this price I didn’t think about it: I would buy it again without a doubt. * Some price may have changed from the last review A thin laptop, with a good fan and great performance The MSI Cyborg 15 is a fairly powerful gaming computer that mounts a generous screen IPS of 15.6 inches and which offers a full HD resolution and a 144 Hz soda rate. Its design is quite striking, but we will find it in the rear, since it has a Good ventilation rack To prevent the computer from hot. The processor that we are in this specific version is the Raptor Lake i7-13620hand comes with no less than 32 GB of RAM and 1 TB of SSD; Two quite good figures taking into account the price of the computer. In addition, one of the key points of the MSI laptop is that all this is accompanied by a graphics card RTX 4060so you can play video games (even plaintiffs) without any problem. Also integrates some speakers that offer good power and that are heard quite wellincludes a port HDMI 2.1 and two ports USB-A and a port USB-C. It also comes with a webcam that offers an HD resolution and its keyboard is quite pleasant when writing or playing. To put some “paste”, it does not come with operating system, although this is common in this type of computers. In short, it is a computer that I have had a very good experience personally. I have used it more to work than to play video games, but it has certainly behaved phenomenal in both scenarios. I bought it just over a year ago and still functioning like the first day. You may also be interested in these accessories LOGITECCH G502 LIGHTSPEED Wireless gaming mouse, captor hero 25k, 25,600 dpi, RGB, reduced weight, 11 programmable buttons, long duration battery, powerplay-compatibile, PC, black * Some price may have changed from the last review Soundcore By Anker Space Q45 Wireless helmets Adaptive Active Noise, up to 98% Reduction Noise, 50 h Reproduction, LDAC HI-RES Wireless Audio, Control App, Bluetooth 5.3 5.3 * Some price may have changed from the last review Some of the links of this article are affiliated and can report a benefit to Xataka. In case of non -availability, offers may vary. Images | Andrej Lišakov in UnspashMSI In Xataka | Best laptops in quality price. Which to buy depending on the use and eight recommended models In Xataka | Best cheap laptops with windows and models recommended for less than 500 euros

Many Russians injured in Ukraine are not returning home. They are flying with the expenses paid to North Korea

During the last months, there have been times in the Ukraine War North Korean soldiers They have been the closest to ghost troops. Actually, and as usually happens in the contests, participants figures vary according to the sides, so we may never know the exact number of “shipments”. That said, and if there was any questions of The ties forged in the Cold War for both nationsin parallel, an unprecedented event is happening. Russian soldiers are not returning home, they are going to Pyongyang. From the battle front to Korea. From the beginning of the war in Ukraine, Thousands of Russian soldiers have returned home injured or with physical and psychological sequelae. Many of them have participated in state rehabilitation programs in sanatoriums distributed throughout Russia. However, an increasing number of military have had another destination. This group, secret until very recently, It has been sent to North Korea To receive medical care and rest, which marks a new chapter in the growing cooperation between Moscow and Pyongyang. Recovery with expenses paid. In The Guardian had cases of soldiers like Aleksei (fictional name), who, after suffering a shrapnel wound in the leg, requested a stay in a state sanatorium. The man hoped to be sent to one of the traditional rehabilitation centers in the Black Sea or the Altái mountains, but in the absence of availability, his unit in the distant Russian East offered him an unexpected destination: North Korea. Aleksei, like others, approached a two -hour flight from Vladivostok to Pyongyang, followed by A trip to a sanatorium in Wonsanon the eastern coast of North Korea. There, he spent a week with two other dozen Russian soldiers, in an environment that, although he says that clean and well maintained, lacked the specialized medical care he expected. The “healer” role of North Korea. He Shipping Russian soldiers injured to North Korea has not been publicly promoted through the Russian government, images of visits have not been disseminated. However, in a recent interview, Russia’s ambassador to Pyongyang, Aleksandr Matsegora, confirmed that “hundreds of Russian soldiers” have been treated in Sanatorium and North Korean medical centers. Not just that. The diplomat stressed that Accommodation, food and care services were totally freeand that when Russia tried to compensate for North Korea for expenses, North Korean authorities felt “offended” and rejected any payment. An exchange that is part of that close military and political collaboration between the two countries that we have been countingand that has intensified since the beginning of the Russian invasion of Ukraine in 2022. Rest without treatment. Aleksei told the British environment that during his stay in Wonsan he had access to swimming pools, saunas and recreational activities such as ping-pong and card games. But as we said, he noticed several limitations. Namely: he did not receive the expected specialized medical treatment, the meals “were tasteless and had little meat”, it was forbidden to leave the enclosure at night or interact with the local population, and Alcohol was extremely difficult to get. Aspects that, As the New York Times pointed outthey contrast with the image of the traditional Russian sanitariums, who usually offer a combination of physical therapy, rehabilitation and rest in natural environments. Be that as it may, for Aleksei, The experience was “different from the expected”and you are not sure if I would accept to return in case of a new offer. The doubt and strategic background. Some analysts have suggested that these soldiers’ shipments could have a hidden purpose beyond the rehabilitation itself. Like what? He Institute for the Study of War (ISW), based in Washington, has indicated that the arrival of Russian troops with an experience of fighting North Korea It could be an opportunity to train and share tactics with the North Korean armyunder the appearance of rest and recovery. The possibility of greater cooperation in this area reinforces concerns about the growing military alignment between Moscow and Pyongyang. A summer camp for Russian children. It The New York Times had exclusive. In parallel to the arrival of Russian military in North Korea, Pyongyang has also begun to receive children of Russian soldiers who died in the war. Russian President Vladimir Putin first mentioned the initiative in June 2023thanking North Korean leader Kim Jong-un organizing a camp for these children in the Songdowon complex, near Wonsan. This center, which already received Russian visitors before the war, has now become a symbol of the bilateral relationship. In fact, the Russian media have widely covered these trips, Showing images of children posing in front of statues of North Korean leaders. The Times said that even a young participant described the experience as a “total digital detox”highlighting the strict discipline of North Korean children, who were marching in training and continued with military precision. In short, the presence of Russian soldiers in North Korea seems to symbolize that growing convergence between both nationsin a context of international isolation. As military and economic cooperation between Moscow and Pyongyang intensifies, these exchanges could represent more than simple rehabilitation, consolidating a new geopolitical dynamic in the 21st century. Image | Office of the President of The Russian Federation In Xataka | Russia gave animals, artillery and raw to North Korea. His last gift places his army at another level: space In Xataka | Thousands of North Koreans came to fight with Russia. The question now is where they have gotten two weeks

The appliance that consumes the most energy at home after heating: the water heater

If you believe that everything that influences your electrical invoice is air conditioning or heating, think about it again. There is an appliance that is making a mella much more silently and that, probably, you had not noticed. In situation. In recent months, the price of electricity in Spain He has experienced fluctuations important, with a significant increase in January 2025. The electricity rate reached 68.41 euros per MWhreaching a quota that was only remembered three years ago. This increase is not accidental, since it is mainly due to the increase in the price in the wholesale electricity market and the return of the VAT to 21%. In addition, the Finish of the Iberian Exception In August 2024 it has contributed to this increase. However, the solution is not only to use less heating or turning off lights, which also, but certain appliances are raising the price of the light invoice. The one you least expected. The water heater You need a lot of energy To warm up, redundancy, large amounts of water. Despite having transformed people’s daily lives and facilitated domestic tasks, their use has inevitably increased energy consumption in homes. In data. To make it easier to understand, an average consumption per person is around 800kwh per year, so in a house of four people and a 200 -liter deposit we would be talking about spending an annual total of 3,200kwh. All this, monetarily translated would be about € 600 a year only by the water heater. How can we save? To start, you have to look at the things we do wrong, such as adjusting the temperature to very high levels that raise the price, as at 60 ° C or more, when in reality a temperature between 50 ° C and 55 ° C is more than enough. Also, regular maintenance must be carried out to avoid the accumulation of tartar in resistances. This accumulation hinders heat transmission, which forces the system to consume more energy to heat the water. Another advice is to take advantage of the lowest demand schedules, improve the insulation of the tank and opt for alternative systems such as heat pumps or thermal panels. These options can generate important long -term savings. The alternatives. The latest technologies mentioned are going to analyze them more carefully. On the one hand, The thermal energy that uses the solar radiation to heat waterwhich makes it an option for homes with sufficient sun exposure, allowing to reduce the dependence of electric heaters. On the other hand, aerothermia, which takes advantage of The energy contained in heating aircooling and hot water, has become popular for its high energy efficiency. However, these options have a fairly high initial investment plan, but over time they are profitable and contribute to reduce carbon emissions. Knowing how and why we use energy at home is important to save money and take better advantage of our appliances. In fact, the latter has transformed and improved our daily lives, but it is also important to be more aware of how we consume energy to take care of both our pocket and the environment. Image | Unspash Xataka | The best way to heat the house: we analyze the spending and energy efficiency of heat pumps and heating

Starliner astronauts will return home 287 days later. Another ship change has forced to modify the plans

NASA has decided to advance the return of the CREW-9 mission and, with it, that of the Butch Wilmore and Suni Williams astronauts, who left for the International Space Station on June 5, 2024 in the Boeing Starliner ship. Despite Elon Musk and Donald Trump messagesreason is not political, but operational. A few days of advance. If new delays on their trip, Butch and Suni will not return will return home on March 19. Taking into account that they were launched to space for a week, it is nine months after planned. But if we stick to The last date that NASA managedastronauts will return with a few days of advance. Context. In June 2024, Butch Wilmore and Suni Williams left towards the ISS aboard the Starliner space capsule, Boeing’s alternative to the Crew Dragon ship of Spacex. It was the first manned trip of the Boeing spacecraft, and it was assumed that the last certification test before starting to transport astronauts regularly to the International Space Station. However, shortly after its launch, The Starliner experienced serious problems in its propulsion systemwhich forced to suspend his return. The situation lasted several months until NASA decided that the ship returned empty. This accident left astronauts at the space station and forced NASA to find a different solution for its return. What they are waiting for. Once the destiny of the Starliner, Wilmore and Williams decided, they became part of the permanent crew of the ISS. They work in the experiments in orbit and the maintenance of the station. They have even made space walks: Wilmore has two on this mission, and has become The woman with more hours of extravehicular activity. So that they could return, NASA He booked two empty seats on the Crew-9 mission of Spacex. The Crew Dragon ship in which they will return to Earth has been coupled to the ISS since September Station maintenance. And the CREW-10 mission is not yet ready. Another change of ship. The CREW-10 mission was supposed to take off in a new Crew Dragon ship, called C213, which has not yet flown to space. However, a technical incidence, apparently related to the ship’s batteries, forced to delay its first flight at least until the end of April. Instead of continuing to delay the calendar (and with it, the return of Wilmore and Williams), NASA has opted for a logistics maneuver: Reassign to the CREW-10 mission an already tested shipthe C210 ‘Endurance’, which was preparing to fly with the private axiom-4 mission in spring. Thanks to this ship change, Crew-9’s return not only is not delayed, but is ahead of a few days. New dates. NASA plans to launch the CREW-10 mission on March 12, 2025, which would allow the CREW-9 to return on March 19 with Butch Wilmore and Suni Williams on board, along with their companions Nick Hague (NASA) and Aleksandr Gorbunov (from the Russian agency Roscosmos). This change of dates responds, as we have seen, to a technical and operational issue, but explains why Elon Musk and Donald Trump published on social networks that Spacex would rescue the two astronauts “abandoned in the ISS” as soon as possible. A propaganda narrative of what was really happening after the curtain. Image | Suni Williams during a space walk (NASA) In Xataka | It is not that Elon Musk has managed to introduce its influence on NASA. Is that he has entered sweeping

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