“When it ends, tears of joy fall, you can’t contain them”

Next August 12 It will be the first time that many Spaniards see a total solar eclipse. This phenomenon had not been seen in mainland Spain since 1912 and since 1959 in the Canary Islands, so only Canarian people of a certain age have been able to see one without having to travel. For the rest, the only Spaniards who have been able to see one of these phenomena so far are the eclipse chasers. Those people who travel around the world only with the intention of enjoying the magnificent spectacle that the Moon gives when it steals the daytime prominence from the Sun by placing itself in front of it and blocking its light for a few minutes. One of those people is Leonor Ana Hernandezan amateur astronomer, scientific communicator and astronomical illustrator, who has been traveling for many years in search of new eclipses. His first time was in 1999, in Hungary. Since then she has seen four total solar eclipses and is overcome with the desire to travel in search of more. From each one of them he treasures something in his memory, a small detail that has remained engraved in his mind in a very special way. For my part, I have never seen a total solar eclipse. Yes, I have witnessed a partial one, but I have never seen the Sun set completely. This summer will be the first for me and the truth is that, after talking to Leo, as she likes to be called, I’m looking forward to the moment. The four eclipses of Leo For Leo it all started when she was a girl. “I loved astronomy and when my father found out that there was an association near where we lived he told me: daughter, at least I’ll take you there, with people who like the same things as you,” she remembers. “There I began to learn more and get informed about eclipses and of course, I read about the people who have seen themI saw images and thought that I would love to see what everyone describes, to experience that sensation of the lunar night in the middle of the day.” With that clear objective, he began to save until In 1999 he had his first opportunity. In fact, he made the trip to Hungary with colleagues from that association in which he had begun to develop his interest in eclipses. “As many of us as possible from the association organized a joint expedition to see the solar eclipse,” he recalls. “The experience marked me and at that moment I knew that whenever I could or life allowed me, I would try to travel to see more.” Seven years later, in 2006, it was his turn to see a new total solar eclipse in Türkiye. This time it was a more intimate trip, with only three people, and he also remembers it with great affection. “We decided to go to the top of a mountain and we were alone, there was pure silence,” he says with a smile. “That silence and that transparent blue sky that I saw left me extremely shocked.” Remember that the emotion was so much that I couldn’t stop crying. “When it was over, tears of joy fell down my cheeks, I couldn’t contain them.” For the next one he didn’t wait that long. In 2009, traveled to Chinathis time on an expedition with a large group of people. It was a complicated occasion, because it coincided with a monsoon that clouded the sky, completely covering the eclipse, which could have lasted six minutes. “We covered the telescopes with whatever we could: ponchos, hats, raincoats… The rain was brutal and we said: how could we have been so unlucky?” However, then something happened that Leo describes as almost magical. “It seems that the heavens heard us, there was a moment when it stopped, a clearing appeared, that clearing opened and we could see the black ball of the Moon,” he remembers. “It opened up enough that for a minute and a half or two minutes we could see it. Then it got cloudy again, but at least we could see something.” Even so, and despite all the beauty he saw in his first three eclipses, Leo is clear that remains with the total solar eclipse of the United States in 2017. For her it was very special because on this occasion she made the decision not to take photos, but to lie down and look at it and draw it. Leo, lying with the materials to draw the eclipse “I would stay with the one from 2017, because I made the decision not to take photos“explains Leo. “The time you spend with the camera makes you very angry, so I decided to take some testimonial photos, with the camera working alone, but I lay down and observe it, observe it, observe it.” In addition, he devised an action plan that began even before totality. “If you do not have eyesight adapted to the darkness, just like at night, you cannot see the subtle details of the solar corona, so I spent the previous minutes with sunglasses so that my eyes were adapted to a dark time.” Of course, when he looked at the Sun during the partial phase used approved glasses. He only used the sunglasses to look at the environment. Once the adaptation began, the materials were prepared. “I lay down, prepared my notebook and a piece of cardboard and captured a nebulous background with a circle to delimit the hole of the Moon, those They were the most beautiful and wonderful minutes I have experienced in a long time.“And the time came. “When you draw something you have to focus a lot on the details and that’s when your eyes really start to see,” she points out. “Normally we look, but we don’t see everything we can, because we go from one place to another in a more superficial way.” She focused on … Read more

TRAPPIST-1 was the most promising solar system to search for life. Now our joy is in a well

spent years searching for planets that could serve as a Earth 2in 2015 it happened. Thanks to the TRAPPIST telescope, we discovered an ultra-cool dwarf star which had three planets around it. They published the discovery in 2016, but a year later it was concrete that in the system there was a total of seven Earth-sized planets. It was clear: we had to continue investigating because there were options for one to harbor life. TRAPPIST-1 (because a way of naming the findings it is with the name of the telescope) became the “holy grail” of extraterrestrial life. The star is 40 light years away and three of its planets are estimated to be in the “habitable zone.” This is the segment with the ideal conditions for life to prosper. The initial enthusiasm was justified: they were small planets, they were not gas giantsand the star is so faint that the temperate zone of the system would favor those ideal conditions. Different climate models pointed out that only a small greenhouse effect would be needed for any of them to be able to house liquid water on their surface. but the same James Webb telescopewhat youit is giving us so much joyis the one who has unmounted almost completely the narrative of TRAPPIST-1 as a system in which to search for life. And in less than a decade, these planets have gone from being the most promising place in our cosmic block to being just another rocky exoplanet. James Webb lowering the soufflé There are multiple reasons why we look for extraterrestrial life. There are the philosophical reasons, the well-worn question of whether we are alone in the universe. Then the scientists, eager to find life to understand how much organisms can endure in other conditionsunderstand the origin and evolution of the universe and even compare ourselves with them. And the practices: experiment in other environments, get resources and to a new home. The telescopes with which we observe the system are good for that first exploration, but more recently the task was left in the hands of one of the most powerful we have, the James Webb Space Telescopeor JWST. The result of an international megaproject is not on earth, but on a satellite, which allows sharpness and detail of the observed objectives unattainable for terrestrial telescopes. And when we have pointed the JWST at TRAPPIST-1, the soufflé has been deflated. His work has focused on the inner planets, known as TRAPPIST-1b, c and d. The conclusion is thatTheir habitability is complicated due to the lack of atmosphere or one so “thin” that it would not protect the planet well against the star’s radiation, also implying surfaces so hot that they would not be compatible with life. Any hint of atmosphere that was initially observed is now practically ruled out. As we read in spacefrom the University of Arizona they comment that “based on the most recent work, the previously reported tentative hint of an atmosphere was likely just “noise” from the host star.” If the star itself gave us hope in the first place by not seeming to be a “killer” of planets, it has now moved to the other side of the spectrum. It is possible that this radiation bombardment allowed Extremophilic microbes will develop on those planets, but to do so they would have to have a denser atmosphere, something that JWST is not seeing. However, all is not lost. The Great Hope: TRAPPIST-1e Although d, c and d no longer look good, the great hope now falls on e, f and g. They are the planets located in a more temperate orbit, where the balance between radiation and atmospheric loss may be more conducive to having a denser atmosphere that allows life. Among them, astronomers consider TRAPPIST-1e to be the most promising. A few weeks ago, a article showed how JWST observed TRAPPIST-1e during four different transits at the time when the planet came closest to its star. The telescope’s near-infrared spectrograph recorded subtle changes in the light around it, which would indicate the presence of chemicals in the atmosphere. Their estimate is that the atmosphere is composed of a majority of nitrogen and methane, and not carbon dioxide as occurs on Venus or Mars. Now, is this the case or is it once again noise from the host star.” It is a possibility that they do not rule out, but as they comment, need more observations and analysis. The researchers are clear that “if TRAPPIST-1e has an atmosphere, it is habitable.” It is a bold statement, but the second part of the question is “is there an atmosphere?” For now, it remains an enigma, but the next step is what will allow researchers to rule out the planet as habitable or get excited again. What will they do? Observe the transit through the star of TRAPPIST-1e when it coincides with that of TRAPPIST-1b. This way, ‘e”s signal will not be contaminated with noise from its star and observers will be able to “separate what the star is doing from what is actually happening in the planet’s atmosphere. If it has one.” Therefore, there is a thread to hold on to, but it is better not to get too excited about a planet that is right here in the neighborhood of the infinite vastness of the universe. Images | IT/M. Kornmesser, NASA/JPL-Caltech In Xataka | The James Webb has broken another historical record: a supermassive black hole older than expected

WhatsApp finally has a quick and light application in Windows. Joy will last little

Meta launched WhatsApp for Windows and Macos In 2016. Since then, until 2022, the company had A slow and very little efficient customerfor a single reason: it was not a native application, but a web container based on WhatsApp Web, which implied slowness and enormous consumption of RAM. Better changes, changes worse. In 2022, WhatsApp on desktop made an praise leap forward, launching native messaging customers on both platforms and discarding the previous technology. According to Our own teststhe use of RAM in Windows went from 500 MB to 100 MB. The use of CPU making scroll, from 60 % to 20 %. Three years later, one step back, according to Windows Latest: WhatsApp beta (downloadable here) It is no longer native, it is a web container again that camouflages a browser. WhatsApp tricks and tips to hide you to the fullest and maintain your privacy Bad news. According to Windows Latest observations, made by analyzing the WhatsApp Beta processes in Windows Task Manager, Meta is using WebView2a technology that allows using the Microsoft engine within applications. Your own version of Framework Electrona standard in the industry. The bad news for the user in front of the application has nothing to do with using WebView2 in particular, but with abandoning the previous approach. This inefficient will be the new WhatsApp in Windows.Every time we open the new version, the application will have to load the web version internally, and in the background, an instance of the Microsoft Edge browser, on which Webview2 operates. Just as it happened with the version they developed from 2016 to 2022. It is very inefficient with respect to an application that uses Native Windows development platforms, such as UWP (Winui). In the absence of being able to prove it, Windows Delast tests demonstrate the step back, and are related to those made in Xataka in 2022. The new version of WhatsApp Web consumes 30% more of RAM than the version available until today in the Windows application store. It is a developing version that can be optimized more, but leaving the native approach has inevitable negative consequences. In Reddit Han accomplished that the new client consumes up to 1 GB of RAM. Goal explains why a native application is more efficient. When they launched the current client, goal created a website in which they explain the Benefits of a native application very clearly: “They provide greater performance and reliability, more ways of collaborating and functions that improve your productivity” “They are designed and optimized for your computer operating system” “They offer greater reliability and speed” Why use web apps instead of native. Being so clear the advantages of a native development, and even being defended by goal, why go back? The industry resorts to web -based applications for a very simple reason: unify developments and guarantee functions and compatibility parity between different operating systems. If a company builds a single website, you can easily adapt it to Windows, Macos, Windows, Linux and Android, as well as offer it in browsers. Optimization is sacrificed, but the deadlines are expedited and the size of the equipment required to move forward and maintain a project is reduced. Mark Zuckerberg himself said that IOS’s old Facebook app was bad because it was based on html. They went to native development and everything improved. The same In Android. Image | Antonio Sabán with Ia In Xataka | Every time someone tells me that his mobile is slow, I know where to look: the “paper” of WhatsApp

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