hid

In the middle of World War II, a woman illuminated modern cryptography. The FBI then hid it from us.

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He did not study mathematics, nor did he enlist in the army: Elizabeth FriedmanShe simply fell in love with Shakespeare and that love embarked her on an adventure that led her to uncover Nazi spy networks in World War II, lock up Al Capone’s lackeys, and lay the foundations of the modern NSA. This is the story of how, with the only help of a pencil and paper, a poet from the American Midwest became one of the most important cryptographers in the United States. It is also the story of how they hid their work and we forgot about it for decades. Although she was the youngest of new siblings and grew up in a Quaker family in rural Illinois, Elizebeth graduated in English literature for him Hillsdale College of Michigan. Almost immediately she began working as a teacher. That seemed like it would be his vocation until Shakespeare crossed his path again. The Newberrya Chicago research library, was looking for an assistant. It was nothing too striking except for the fact that, it was said, an original by the Stratford-upon-Avon playwright was kept in the library’s holdings. That was enough for Elizebeth. It was there, working at Newberry, where he met George Fabyana millionaire convinced that Shakespeare’s plays had been written by Francis Bacon. It is not a very strange belief, for centuries the confusing past of the English poet has generated rivers of ink about who William Shakespeare really was. What had not happened until then was that an eccentric billionaire decided to put his fortune at the service of the idea. In 1916, at the age of 23, Elizebeth began working at the Fabyan think tank, a private laboratory, Riverbankwhere things as varied as genetic engineering or they worked on the development of weapons. Now, he would also have a team dedicated to finding the clues that Bacon ‘had left’ in works like ‘Hamlet’ or ‘Romeo and Juliet’. That Riverbank was surely one of the first modern cryptography laboratories. There Elizebeth met her husband, William Friedman. Together, and unintentionally, they would shape modern American cryptography and play a very important role in the next 50 years of American defense. ‘We few, we happy few, we band of brothers’ It all started because, in the middle of the First World War, the army decided to turn to Riverbank to help them with code breaking. It was such a great success that the Secretary of War signed them and took the couple to Washington, DC. Shortly after arriving, Elizebeth began working for the Treasury: the eighteenth amendment (the famous Prohibition) and alcohol trafficking networks were rampant throughout the United States. Elizebeth was terribly productive. It is estimated that, between 1926 and 1930, he deciphered an average of 20,000 smugglers’ messages a year, dismantling hundreds of ciphers in the process. And the Second World War. The role of American cryptographers “was not very important”, but among them the Friedmans shined especially. Elizebeth’s skills were already known and served to dismantle a complex network of Nazi spies in Latin America that tried to promote fascist revolutions and weaken the “backyard” of the United States. Despite this, resources were very scarce and recognition even less. Surely his most impressive work was the one that led to the arrest and imprisonment of Velvalee Dickinsonthe “doll woman”, a spy arrested in 1942 for passing all kinds of information to Japan (hidden in letters about patent leather dolls) during World War II. “His abilities were so unusual that he became indispensable,” he explained. Jason Fagone who has written a spectacular book on Friedman’The Woman who smashed codes‘. “She was called on repeatedly to solve problems that no one else could solve. A secret weapon.” However, and despite the publicity of these cases, the Friedman surname did not transcend. It was not an forgetfulness. Hoover, the famous and controversial director of the FBI, wiped the Friedmans off the map and awarded the merits of each of the cases to his Agency. Nothing surprising in a figure, that of Hoover, key in much of the American 20th century, capable of creating the largest research office in the world and, at the same time, using it as if it were his ‘private army’. Although Elizebeth’s work and that of her husband were the seed of what would later become the NSA, their figure was forgotten, relegated and, until very few years ago, remained unrescued in the drawer of history. In 1999 he entered the NSA ‘Hall of Fame’ and in 2002 a building was dedicated to him. It’s another one of those ‘hidden figures‘without which we could not understand today’s world. In Xataka | In 1925, procrastination was already a problem and someone found the definitive solution: the isolation helmet. In Xatka | Scotland remains almost a fiefdom in the 21st century: half of its land is owned by 421 owners

This is the city that linked China with the Mediterranean that one day an earthquake hid from the world

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If there is a historical myth in archeology, it is finding the lost city of Atlantis. However, throughout history a few have been found: from that of Thonis-Heracleion in Egypt to the Greek of Pavlopetri passing through Port Royal in Jamaica. None are Atlantis (in fact, for numerous historians and scientists It’s more of a philosophical allegory of Plato than something real), but the last city that has just been found, far from typical places like the Atlantic, has quite a few similarities. Of course, it is in a lake in Kyrgyzstan. The lost city of Issyk-Kul. More specifically, it was in the northwestern waters of Lake Issyk-Kul that an international archaeological expedition organized by the Russian Geographical Society (RGS), the Institute of Archeology of the Russian Academy of Sciences (RAS) and the Institute of History, Archeology and Ethnology of the National Academy of Sciences of the Kyrgyz Republic stumbled upon Toru-Aygyr, as reports the news of the SGR. For the investigation they used underwater drones and high-precision diving. The legends were true. Around the Issyk-Kul lake run several popular legends about its formation submerging a city that already existed, something that was historically reinforced by the local rumor that when the weather is good and the water is calm, remains of the city can be seen. Likewise, within the Catalan Atlas of the Mallorcan cartographer Cresques Abraham it is recorded on a map the existence of a monastery where were the remains of San Mateo. This lake has been one of the obsessions of the historian and archaeologist Vladimir Ploskikh, behind the aforementioned discovery. Satellite view from 1992. Wikimedia But what a lake. Issyk-Kul is a truly fascinating lake without having to resort to myths: its name in Russian and Kyrgyz is “hot lake” and it has merit being 1,609 meters high. The secret is How deep it is (average 270 meters, maximum 702 meters), it is slightly salty and subsoil geothermal activity. Is the second largest alpine lake in the worldonly surpassed by Titicaca and one of its peculiarities is its transparency: its visibility is such that it can be seen up to 20 meters deep in favorable conditions. The icing on the cake is that there is evidence that there the black plague began. Vilya Shoni,. Wikimedia A most advanced city. Finding a submerged city is not unusual, but among the peculiarities of Toru-Aygyr is that its ruins are in shallow waters and the good state of conservation of its constructions, with solid stone structures, clay bricks and even wooden beams. In addition, they reveal that it was an advanced infrastructure, with public buildings, brick homes and irrigation systems. More specifically, they identified remains from a medieval cemetery, large ceramic containers, pieces of a mill, an architectural element that points to the decoration of a building such as a mosque, a bath or a madrasa. After checking with archival materials, the team confirmed that they were looking at a city that handled silk, spices and metals in the transfer of these goods between China and the Mediterranean from the 2nd century BC to the mid-15th century. Stick with the final date, we’ll come back to it later. Elizaveta Romashkina. Russian Geographical Society. It is the missing link of the silk road. As concludes researcher at the Institute of History, Archeology and Ethnology of the National Academy of Sciences of Kyrgyzstan and head of the Kyrgyz expedition, Valery Kolchenko: “The monument we are studying is a city or a large commercial agglomeration located on one of the key sections of the Silk Road.” During the investigation, they found a second site corresponding to a Muslim necropolis from the 13th–14th centuries that still preserves vestiges of traditional Islamic rituals, a third with remains of medieval ceramics, a large entire vessel (khum) and more burials. Finally, a fourth location located in the western part, of which remains of structures remain. The team’s idea is to return to continue analyzing everything, but for now the remains already say a lot about the relevance of the enclave, which Chinese historical sources record, such as explains the head of the expedition, Maksim Menshikov. Why did it sink? aka the Pompeii effect. The presence of large ceramic vessels and millstones in their original positions reveals that the city was abandoned abruptly, without subsequent looting. Kolchenko clears us of doubts: it was an earthquake. “At the beginning of the 15th century, as a result of a terrible earthquake, the city was submerged under the waters of the lake. According to our assessment, at the time of the disaster the inhabitants had already abandoned the settlement. The tragedy can be compared to the story of Pompeii, although it is much less known to the general public.” After the earthquake, he explains that the region’s population drastically changed how they lived, going from a prosperous medieval urban civilization to nomads. This large earthquake caused the lake’s water level to suddenly rise, swallowing the city. The water enveloped the city in mud and sand, protecting it from erosion and exposure to oxygen. It is not Atlantis nor does it need to be. It goes without saying that Toru-Aygyr is not the mythical Atlantis, but comparing it is inevitable due to the legends that surround it, the records that remain of its existence over the centuries in different civilizations and of course, the large amount of treasures found and its prosperity: there lived an advanced, rich and living city that disappeared one day under the waters. In Xataka | The Atlantic has a ‘Lost City’ with the key to life on other planets. Now it’s in danger In Xataka | Eastern Atlantis: this is the lost continent that united Greece and Anatolia 35 million years ago Cover | Mikhail Preobrazhenskiy and Elizaveta Romashkina from the Institute of Archeology of the Russian Academy of Sciences

Honda appeared in a Japanese circuit with a Pokémon motorcycle. Actually hid an advance that goes far beyond the game

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A video game creature turned into a real motorcycle would not have to get too much attention. But when that creature moves alone on an official track, something changes. That was what happened on August 3 during the ceremony prior to 8 hours from Suzukaone of the most important events of Japanese motorcycling. Honda took a motorcycle designed as the circuit as the Pokémon Koraidon And he made it travel the exit line without driver, at low speed and for about ten minutes, in a showrun scheduled between 11:00 and 11:10. The motorcycle that Honda presented in Suzuka is not just a model based on the character that appears in the ‘scarlet’ delivery of the video game. To make it work, the company combined technologies that it had developed Years ago with your Asimo Robot and with the system Honda Riding Assistaimed at maintaining balance without human intervention and simulate organic movements. According to Nikkei Asiathe unit integrates sensors, cameras and communications to recognize the environment and adjust its movement. An experiment with more ambition than it appears. Honda did not design this motorcycle just to get attention during an event. The company presents it as An opportunity to improve equilibrium technologies and autonomous navigation, with an eye on the future of transport on two wheels. A Japan Automobile Manufacturers Association survey He points out that 26% of motorcycle buyers in Japan are under 40 years old. For Honda, advancing in autonomy and security can help reconnect with a generation that has moved away from motorcycles. The idea of converting a Pokémon into a real vehicle is not new, but until now it had stayed in static models or promotional elements. Toyota, for example, showed an almost real -size recreation of MiraidonKoraidon’s futuristic equivalent in video games. Honda was a step further. What Honda is played with a motorcycle that moves alone. The future of the motorcycle is to convince a new generation that does not end up. A safer and more assisted driving is one of the keys that manufacturers handle. Although this version of Koraidon is a punctual experiment, the technologies involved could move to commercial models, as happened with equilibrium assistance systems developed in the past. For now there is no clear road map to a product, but a declared intention: continue accumulating experience to apply autonomy to the two wheels. Although the show lasted only ten minutes, its message goes much further. Images | Suzuka Circuit (1, 2, 3) | Sling In Xataka | Lamborghini will only manufacture 29 units of its last supercar but you are not in a hurry: they were already sold before presenting

The walls of a medieval church of Álava hid figures of wild boars, turkeys and discs. No one knows what they do there

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Cruces, Statues of saints, fresh with biblical scenes, representations of the Virgin Mary or the apostles, even devil figures twisting. Within a church one expects to find a wide range of Christian imagery, but when A few years ago Historians began to clean the oldest wall of The Church of ArbuloIn Álava, they found something very different. Under layers and layers of lime and paint began to appear something other: figures of the 12th century that show mysterious quadrupeds with claws, faced birds and wheels. Now the experts They wonder What the hell do they mean. In a place in Álava … More specifically in Arbulo, in the municipality of Elburghe stands An ancient church in honor of San Martín de Tours. Most of the temple we see today rose between End of the fifteenth century and the beginning of the XVI, but its builders left the remains of a previous building, from the Romanesque era. Despite its historical value over time the Church ended in a dilapidated state. At the end of the XX its roof deteriorated and began to leak water through the vaults, which among other things ended up the furniture. Rescue Restorers. The temple situation was so critical that it was closed Between 1999 and 2008 and by 2004 a restoration was launched that included the disenchanted of the walls. The specialists had good reasons to do so. As remember Historian Gorka López de Munain, from the University of the Basque Country (UPV), moisture forced to remove the altarpiece and disagree with the walls of the apse, which left the layers of paint accumulated over the centuries, including what seemed “strange motifs of reddish hue.” What kind of paintings? The experts appreciated several layers on the walls, but there was a specific one that caught so much the attention of López de Munain that he decided to dedicate A broad article in Of half avo. Which? The first, located in the Apsid wall and that in the absence of more detailed analysis the researcher date between the twelfth and thirteenth centuries, so it is associated with the primitive Romanesque temple. Today we know that their author (or authors) traced them using ocher pigments mixed with binder and that they did not remain too exposed. Before the XV they were already covered with a new layer of lime. And the big surprise arrived. The most curious thing is not, however, with what pigments were prepared, but what they were used for. In a Christian temple one would expect to meet symbols associated with that creed: crosses, representations of Christ and the Virgin, biblical scenes … not on the wall of the Church of Arbulo. Over there, In words of the UPV teacher, what appeared were representations of animals and geometric shapes “in a seemingly random disposition.” In a wide surface, of just over 24 square meters (m2), experts found remains that at origin had to decorate the head of the primitive church and have bullow the curiosity and imagination of historians. “In this first layer, reasons of great variety and formal wealth were painted: swine -siled quadr The article of Of half avowhich recognizes that the figures of the absidal wall of the Church of Arbulu “do not respond to the best known repertoires of their time.” “Something unexpected”. López de Munain is not the only one to which the images of the temple have surprised. In 2018, in An interview With eitb.eus, Isabel Mellén, of the project ‘Medieval Álava’, I recognized His enthusiasm. “What was painted, in our eyes, is something unexpected. What we hope to find in a church are religious paintings, with Christian scenes or symbology, but what is shown in Arbulo has nothing to do with all that,” collects the analysis of the Basque chain. Instead of pantocradors or crosses What they show The walls of the temple with thick strokes and reddish tones are beasts: birds, animals with pigs or wild boars, discs with radios, asterisk shape of lis flowers drawn with basic and rough lines … a peculiar iconography that leaves a question as fascinating as difficult to answer: What do you mean exactly? Questioning the story. From the outset and after clarifying how difficult it is to interrogate the images in search of meanings with the eyes of the 21st century, the researcher slides an idea: at least part of the figures seem to reveal a funeral connotation. For example, among the images rescued in Arbulo there are real turkeys, a recurring theme throughout the Middle Ages, loaded with polysemy and has been used regularly in mortuary contexts. “The fated birds painted in Arbulu inevitably evoke those that drink together of a crater or peck a cluster of grapes, common in the steles and romantic and very frequent tombst Point out The Basque researcher, who recognizes in any case that in the images of Arbulu the birds do not appear with other icons, such as drinks, so “its nature is difficult to identify” and “elusive”. Are there more meanings? Yes. In his analysis the researcher pays attention to other elements that have emerged on the Arbulu wall, such as eight radios albums. “Those wheels or radiated stars appear frequently in the discoude steles of both the Basque Country and of nearby regions,” Slide. Its meaning is also suggestive and invites you to look, rather than consecration crosses, to designs that can often be seen in medieval funeral steles. The tree figures have also led him to slide the hypothesis that they can be linked to the paintings of a historical character, Gastea de Arburu, of Gallic origin but buried in the region. But … why? The big question. Why paint a Christian temple with birds, solar disks and quadrupeds with claws, some with the appearance of wild boars? In An interview with The country López de Munain slides some theories, such as their creators wanted to represent on the walls what they saw in their most immediate environment or … Read more

A secret room in Peru hid some tubes. Now we know that elites ruled with hallucinogens 2,000 years ago

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Long before the Inca Empire will dominate the Andes, the Chavín civilization (Active between 900 and 650 BC) had already established a complex cultural network that covered common agricultural techniques to shared forms of architecture and art. In fact, one of its most emblematic centers was Chavín de Huántara stone ceremonial monument located 430 kilometers north of Lima, whose architecture, symbols and mysterious acoustic They have intrigued To archaeologists for more than a century. That intrigue has given way to a fascinating discovery. Visionary rituals. Yes, now and through A studynew excavations and detailed chemical analyzes have revealed that a fundamental part of its social hierarchies system was based on deeply transformative rituals, enhanced by powerful hallucinogenic substances such as vilca (natural source of DMT) and wild tobacco species. These rituals, restricted to small private spaces within the ceremonial complex, were not designed for collective access, but constituted exclusive experiences for selected individuals, possibly Priests or spiritual elitesthus reinforcing the symbolic power and the established social order. Psychoactive and architecture. As Archaeologists tellthe analysis of the carved bone tubes found in several closed secret chambers has shown that they were used to Inhale substancesoffering direct evidence of the ritual use of these psychedelic drugs. Unlike the community practices observed in other Amazonian cultures, Chavín rituals were intimate, regulated and surrounded by an aura of mystery, probably destined to consolidate authority spiritual of certain individuals within a vertical structure of power. Complementing these practices, the investigators say that the temple architecture was designed to intensify the experience: Marine shell trumpets and rooms designed to amplify the sound point to a complete sensory strategy, where music and reverberation contributed to generating altered states of consciousness. Far from being mystical entertainment, these ceremonies were, According to scientistsideological tools of social cohesion, capable of inspiring the inhabitants to voluntarily collaborate in the construction of temples and monuments without the need for physical coercion. A system of avoided violence. There are much more, since one of the most suggestive findings in the study is the apparent absence of direct coercion in the Chavín Organization. The efficacy of rituals to legitimize hierarchies seems to have replaced the need for systematic repression or organized war. In this way, this delicate ideological balance was not eternal. Towards 500–400 AC, archaeological indications point to a prolonged period of Internal violenceprobably linked to a transition from a theocratic order to more secular forms of organization. This change would have undermined the symbolic bases of religious authority, leading to a progressive collapse of the social structure that the Chavín had maintained for centuries. Religion and inequality. Finally, For archaeologiststhe Chavín case demonstrates how inequality can be institutionalized, not only through force or economy, but also through deeply internally internalized beliefs. In the work they explain that the supernatural experience induced by hallucinogens became a way to naturalize The hierarchies and justify the concentration of power. The legacy of the Chavín, however, endures as a bridge between more egalitarian cultures and the sophisticated imperial structures that would arise centuries later, providing keys on how beliefs, architecture, psychoactive substances and power in the deep history of the Andes would be articulated. Image | Daniel Contreras In Xataka | Machu Picchu is 600 years old and was the great treasure of Peru. We have just discovered a 3,500 years old In Xataka | In 1594 a Jesuit described a secret tunnel near Machu Picchu. We have just confirmed the Inca underground labyrinth

Almost 20 years ago a telescope captured a “cosmic tornado.” Now, thanks to James Webb, we know he hid a galaxy behind

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Appearances often deceive. A unbridled eye could well confuse one of the planets in our solar neighborhood, such as Venus, with a distant star. We could also see an image taken by a telescope and think that the two objects that most attract attention on it are part of the same cosmic phenomenon. This is precisely what happens in the last image of the James Webb space telescope (JWST). A cosmic tornado. While the new image seems to show a huge nebula filled by a star on the tip; What we really see It is the combination of the emanations expelled by a nascent star, called Herbig-Haro 49/50, and a galaxy located far behind in the plane. Herbig-Haro. The calls Herbig-Haro objects They are produced by the form of a star formation, specifically they are the result of the expulsion of matter during this process, matter that can accumulate in regions several light years away from the birthplace of the star. This matter “cools” emitting light both in the visible spectrum and infrared. Herbig-Haro 49/50 (HH 49/50) It is one of these objects. The appellation of “cosmic tornado” received it after the Spitzer space telescope observed it in 2006. The image did not allow to distinguish with certainty what type of object we saw at the tip of this cosmic tornado. A distant galaxy. The new image of James Webb allows us to see this luminous object with great definition, showing us the small details of a distant spiral galaxy. In its bluish center are the oldest stars. In its spirals of more reddish tones the galactic dust and areas of intense star formation would be concentrated. Comparison between the image of the Spitzer Space Telescope taken in 2006, and the last Inagen captured by the James Webb. NASA, ESA, CSA, STSCI, NASA-JPL, SSC Back to the foreground. But, let’s return to Herbig-Haro 49/50, the foreground of the image. The cloud of matter we see is within our galaxy, about 625 light years from our solar system. What we see are waves of bright hydrogen molecules, carbon dioxide and dust grains loaded with energy, red and orange tints in this false color photo. This formation is found in the Chamaeleon I cloudy complex, one of the regions with the formation activity of closer stars in our galaxy. Experts estimate that this “jet” of matter moves between 100 and 300 kilometers per second. And what about the star you are emanating? Astronomers believe that it is about cederblad 110 IRS4, a protoestrella Located at 1.5 light years From this cloud and visible in the image of the JWST, below right. Cederblad 110 IRS4 is a class I protoestrel, that is, it is in a rapid accumulation phase of matter. A combined image. The new image captured by the JWST is a combination of several snapshots taken by this telescope fruit of international collaboration. To create it Observations were combined of two of the instruments of James Webb, Nircam (Near-Infrared Camera), And Miri (MID-INFRAED INSTRUMENT). In Xataka | These real images were unthinkable before the Webb Telescope: they are planets orbiting other stars to 130 light years Image | NASA, ESA, CSA, STSCI

Filipino rice wine hid a superfood. In the waste we discarded, specifically

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It is often said that one can be a treasure for another. We have found a new example of this phenomenon, in the Philippines. The country responsible for golden ricea transgenic version of the food devised to replace the vitamin A deficiency, now brings us another product related to this cereal, a “loaded” product of nutrients. And this time with a more “artisanal” process. By -product, but food. A group of researchers has discovered that a material discarded in the Fermentation of the Tapuy, a traditional rice wine of the Philippines, are loaded with antioxidants. The compounds found in the You readwhich is what this residue is called, they were studied in the laboratory resulting in a rejuvenation of the animal models used in the study. The Tapuy. The Tapuy is a drink produced in the Philippines, the result of rice fermentation. The process uses, in addition to rice, a fermentation initiator called Bubod. The resulting residue, You readit has been the main object of the investigation, and is mainly composed of the waste of fermented rice, yeasts and other microbes. The study responsible for the study analyzed how various types of crops resulted in different types of You read. Optimizing nutrients. The team thus found a way to optimize the fermentation process, a specific crop that implied some You read Loaded nutrients. The result contained an abundance of polyphenolscompounds with antioxidant capacity that we can also find in products such as The wine or the chocolate. The team tested the different formulas feeding with them the worms of the species Caenorhabditis Elegans. They observed that an initiator of fermentation with high concentrations of the species Rhizopus oryzae, mucor indicus and Saccharomyces cerevisiaeIt was associated with an important increase in the life expectancy of these animals. They also observed that the worms fed with this residue produced more viable eggs. The details of the research were published in an article in the magazine Discover Food . Of animal to humans. There is still an important step to give, and it is to study how these results can translate into benefits in humans. The worms of the speciesC. ElegansThey are often used in medicine as animal models by some key characteristics such as transparency allows us to see more clearly the biological and biochemical processes in the animal. However, it should always be remembered that what works in animal models does not have to work in humans. Among other reasons because our diet is very varied and the multiple interactions between compounds can dilute their benefits. In Xataka | Some scientists have proposed to solve the big question: is it more “healthy” white wine or red? Image | Phương Nam Gạo / Manila Athenaeum

Some Amazon made in the US hid a fantastic option for privacy. Alexa +’s arrival will disappear

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In recent times Amazon launched three models of his family with an interesting option that yes, was only available in the US and in English: local processing of voice recordings. That prevented users from They had to send those recordings to the Amazon cloud and supposed an interesting improvement in privacy. That option will soon stop being available. Less privacy. The products that allowed this feature, explain In The Vergeit was the Echo Dot (4th generation), echo show 10, and echo show 15. As of March 28, those devices of the Amazon Echo family will stop being able to process the audio locally on the device itself. Thus, all audio clips will end up transferred to their servers to be processed in their cloud infrastructure. AI as an excuse. In Ars Technica They indicate how Amazon has explained in an email to this publication that the change is due to the new use of AI models in Alexa+. Specifically, they assure, By continuing to expand Alexa’s capabilities with generative functions that depend on the processing power of the safe cloud of Amazon, we have decided to stop supporting this function. Alexa+ in sight. After this decision is the launch of Alexa+the new version of this voice assistant that will now be enhanced by AI models. To process these models, however, the power of the Amazon cloud is needed, which according to the company makes it impossible for requests to be processed at home as happened so far. Voice recognition. The new AI system that will govern these devices will also have more advanced options to recognize the voice of who is using it and thus be able to respond more precisely and contextually, something that the company calls Voice ID. This characteristic forces Amazon to eliminate the privacy function that was present before, although very limitedly: it is likely that many users of these models did not even know that such privacy characteristic was available. It doesn’t matter if you don’t want to in your echo. Users of these devices will not be able to avoid this sending of audio clips even if Alexa+will not use: Amazon will also send those audios even if they do not use said service with ia. The Alexa+ service based on AI models will be included in the Amazon Prime subscription. Another condemnation for privacy. Apart from that special option, the Amazon Echo family devices allow to control certain privacy options like him time that the recordings were stored If they reach their servers. Controversies of the past. In April 2019 it was revealed how Amazon employees listened recordings with the excuse of improving the service. That made The controversy will jump And in fact they already had problems with the suspicion about privacy When Alexa began to be available in Spanish. Amazon promises to protect that data. In that email to Ars Technica Amazon also assured that “Alexa’s voice requests are always sent to the Amazon security cloud, which was designed with security protection layers to keep customer information safe.” They also point out that there will still be various controls to refine that way of managing user data. In Xataka | The announcement of the new Alexa hides an awkward truth: the silent sunset of the Solo-Voz interface

A drawing by Leonardo da Vinci hid a hidden map. The work has revealed the secret tunnels of a castle of the 20th century

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Year 1460. Francesco Sforza, the Duke of Milanhe made a decision: he needed a real residence according to his status. Thus, the nobleman seized the ruins of a medieval fortress in northern Italy and, for several years, supervised its reconstruction until it became a huge and majestic residence. Since then, The Sforza Castle took a legend accompanied: Under its foundations, Francesco would have devised a whole secret network of passageways. We had the solution in a picture of Leonardo da Vinci. A sketch as a map. As we said, Leonardo da Vinci’s monumental work continues to reveal secret centuries after his creation. The latest: a team of researchers from the Polytechnic University of Milan, in collaboration with Codevintec and Castillo itself, discovered that the rumors were true. In other words, There is a network of hidden tunnels under the Sforza castle in Milanand have been found based on a sketch of Da Vinci himself dating from the fifteenth century. Apparently, archaeologists used advanced technology to map the subsoil of the structure, such as terrestrial penetration radars and laser scanning, so that they not only confirmed the existence of the passages documented by Da Vinci In the so -called Codex Forster I At the end of the 15th century, but also They found indications of a more extensive system of underground corridors. History and function of tunnels. As we said at the beginning, Sforza Castle was rebuilt by Duke Francesco, although subsequently embellished by his successor, Ludovico Sforzawho apparently hired and He commissioned Da Vinci for the decoration of the castle, including the room Delle Asse, and designing an equestrian monument in honor of Francesco. During that process, the artist left detailed records of a system of underground tunnels and passages that, until now, had not been physically identified. In fact, It is believed that these structures were used for military purposesalthough there were also more personal and ceremonial passages. For example, one of the discovered tunnels connects the castle with the Basilica of Santa Maria Delle Graziewhere the iconic painting “The Last Supper” is located, as well as the tombs of the Sforza family, which suggests possible private access to the mausoleums of the nobility. Plus: Historians have raised the possibility that Ludovico Sforza use this tunnel to visit his wife’s tomb, Beatrice d’Ete, buried in the basilica. Technology and future research. The truth is that the finding not only expands the understanding of the castle’s architecture, but also opens new opportunities for the digital reconstruction of the site. Moreover, with the aim of developing a “digital twin” of the Sforza Castle, researchers plan to integrate the technology of augmented reality, allowing visitors to virtually explore these inaccessible spaces and know previously unknown historical details. “The objective is to create a digital model that not only represents the current appearances of the castle but also allow to explore the past, recovering historical elements that are no longer visible,” he settled in A statement Franco GuzzettiProfessor at the Polytechnic of Milan. And all thanks to Da Vinci and his ingenuity. Image | Sailko In Xataka | Leonardo Da Vinci established “The Tree rule” 500 years ago. Now we have discovered that he was wrong In Xataka | A Saudi prince paid $ 450 million for a Da Vinci box. The problem is that it may not be Da Vinci

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