impressive

We have already seen Yangwang U8 from byd float in a river. It is more impressive than we imagined

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Cars and water have never got along well. It is enough to go for YouTube to see what happens When a vehicle Try to cross a riverhowever caudalous it is: drowned motors, electrical systems failing and assured breakdowns. However, Byd has been demonstrating that there is an exception for more than a year. Is called Yangwang U8a high-end mastodontic SUV that has just starred in a curious scene in the e-journey organized by the brand in China: floating and moving naturally by a river. Yes, you can navigate. And it’s not just marketing. How can we see in a videothe U8 descends through a slope to the water, floats without difficulty and advances maneuvering gently. It is not something that is seen every day in a serial vehicle. According to Car News Chinathe system allows to navigate up to 3 km/Hy stay afloat for 30 minutes, thanks to an IP67 protection for the car set and IP68 in its key components. Technology at the service of survival. When the driver activates the water crossing mode from the central screen, the car begins to monitor depth, inclination and other parameters by sensors. If it detects adequate conditions, automatically enters emergency flotation mode. At that time, the suspension rises to its maximum level, the windows are closed, the air conditioner goes to air recirculation and the fans adjust its operation to improve the sealing of the vehicle. Even the sunroof automatically opens as an escape in case of emergency. A SUV that wants to step hard in its segment. Yangwang U8 is not limited to floating. It is a luxury SUV that aspires to mark a before and after in its segment. According to the official press note of Bydthe Premium Edition version presented in September 2023 includes technologies such as the E⁴ platform (the first in the world with four independent electric motors in production) and the Disus-P intelligent hydraulic control system. With these technologies, the vehicle is capable of performing maneuvers such as turns on its own axis (Tank Turns), stabilization in case of a puncture and an acceleration of 0 to 100 km/h in just 3.6 seconds. All this with a joint power of 1,200 horses and an autonomy of up to 1,000 km thanks to its plug -in hybrid system. An ambitious bet on the electric. Byd’s proposal goes beyond the engine and traction. Yangwang U8 can completely recharge from 30% to 80% in just 18 minutes with rapid 110 kW charging and offers external food (VTL) capacity of up to 6 kW, enough to feed electronic devices or tools for more than 24 hours. Inside, luxury is also present: Nappa Leather, Curves OLED screens, wood and a 22 -speakers Dynaudio audio system. Everything, topped with the intelligent Nvidia architecture and more than 500 calculation power tops for advanced assisted driving. This is not about adventures. It goes emergency. Although more than one has passed through the head to cross a lake with his car for fun, Byd clarifies that this function is not intended for recreational activities. Its purpose is to provide a useful tool in case of emergencies, such as floods or sudden floods. In fact, if the flotation mode is activated, the manufacturer recommends taking the vehicle to review as soon as possible, as China Car Channel also emphasizes. Images | Byd In Xataka | Volkswagen is determined to copy China to make its electric cars in Europe attractive: put a gasoline engine

400 kilometers loads in five minutes of ByD are as impressive as it is not very useful. At least they think of Mercedes

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“Probably, no.” With that forceful response, Andrew Cornelia, CEO of Mercedes-Benz High-Power Charging and therefore the head of the company’s recharge systems, explained his opinion on the Awesome recharge system presented by byd A few days ago. The answer has arrived in Plugged-in podcastthe radio space of Insideevs. There, Cornelia explained that the exercise for having such a rapid recharge under the arm obeys the need to give a backup to users than to the real utility of the same. The origin of these comments must be sought in the presentation of ByD a few days ago. The company confirmed that it has two cars ready and a load platform that allows recharging up to 400 kilometers of autonomy in five minutes. They get it, on paper, Delivering 1 MWh of sustained power. At the time we explain that it would be necessary to do to what extent it is true to recharge 400 real kilometers in five minutes. Keep in mind that the Chinese homologation cycle is much more lax than the European WLTP that, in fact, It does not completely reflect consumption From electric cars at highway speeds 120-130 km/h in the vast majority of European countries. With such a power, yes, the data is almost irrelevant because to fill 400 kilometers in five minutes it is possible that very little more time is needed. Of course, you have to have some conditions into account. The first is that, Assuming a consumption of 20 kWh/100 kma figure that is not especially good or exceptionally high, it would be necessary to fill the battery with 80 kW to make those 400 real kilometers of autonomy. This implies that a much larger battery is needed. Keep in mind that the loading power decays substantially when the battery goes from 80% capacity to protect from excessive degradation. The usual thing is that the cargo peak arrives, at least, after the first 10%. Therefore, filling 80 kW from 10 to 80% of the battery capacity would imply having about 115 kWh capacity under the body. In addition, the charger must be able to supply this power during those five minutes without resenting the least. The load should be, at least with a power of 960 kW. An absolutely unknown figure currently in European loaders. For Mercedes it makes no sense And they are probably right. Although those 400 kilometers of autonomy in five minutes sound especially good, what they say in Mercedes is that a stop to fill a gas tank involves stopping about 10-12 minutes on average. And that is where you have to point. In order to load that amount of kilometers, huge infrastructure is needed around each electric car. Byd will have to display your own loaders And only a few cars can assume that stream of electrical power. To get an idea, a Tesla Model and Juniper It has the capacity to recharge its batteries at 270 kW (about three times) and a Porsche Taycan, one of the models with the best figures on the market, “only” admits 320 kW of power in a recharge. With 320 kW of power, Porsche Taycan only needs 18 minutes to move from 0% battery to 80%. With that 80% battery, which has a useful capacity of 97 kWh, it should be able to make the aforementioned 400 real kilometers. If we add that the driver will never arrive with 0% battery to the load point … it is expected that with the appropriate charger the Porsche Taycan receives that amount of energy in 15 minutes more or less. According to Mercedes accounts, there is hardly any difference with what would take time to fill the deposit. In fact, I encourage anyone to think how long it takes to make a stop during a long trip with a combustion car. I do not talk about sitting down to eat, maybe or to ask for coffee, enough to go to the bathroom. I doubt that the driver has to “wait for the car” in that case, it is very likely that little by stretching his legs he has the battery ready to continue again. And we are not talking about 200 kilometers, we talk about replenishing 400 kilometers in just over 10 minutes. However, Mercedes gives relevance to the development of this type of rapid recharges. “It’s key,” says Cornelia in the podcast. “It’s an amazing advance, The industry will follow its example“, But stressed that” there is only a limited number of use cases in which such a fast recharge really makes sense (…) If you go to the cinema, you do not need a 1,000 kW load. You need something that lasts two hours. If you go to a cafeteria, you may want something faster, but it is still a 15 -minute stop to enter and leave. “ In spite of everything mentioned above and although Mercedes has recognized us That they prefer to focus on efficiency and low consumption or a greater and better density of their batteries, it is true that Byd’s advance is very interesting. First for the company that allows you to have an added value in the process of purchase of the next electric car of a potential customer, As the Tesla charger has meant in the United States. But, also because it offers support and security to the customer. You may never use it very counted throughout the useful life of the vehicle. What happens with these extremely powerful chargers is the same that happens with the Autonomies of 1,000 kilometers In an electric car (exist or not). In practice they are not necessary but help strengthen the security of those who adopt the new technology because blur your barriers With what it is to drive a combustion car. In spite of everything, one thing must be very clear. Until now, what is presented by ByD is an advance for China with two very specific models, it is not something that will reach Europe … Read more

We have discovered (again) the secret of Roman concrete. Is less impressive than it seems

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It does not fail. It seems mathematical. From time to time, the world rediscovers the Roman concrete and hallucin with the durability of a material that allows the Pantheon of Agrippa to have 2,000 years standing (while modern concrete cracks within a few decades). Incidentally, almost with the same regularity, there is some scientist or engineer who claims to have found the key secret that this is. The last occasion He has touched the Massachusetts Technological Institute And, as usual, the story is not exactly what it seems. What does the study say? MIT researchers They have studied Small pieces of lime that are usually found in Roman concrete: the ‘calcium oxide’ clasts. These types of structures have been studied a lot in romas infrastructure located in maritime contexts and, for years, has been related to some “self -regime” capacity of the material. Understanding what it means. According to some scientiststhe water that would enter through the concrete cracks would drag the calcium ions of the Classos in a process that would end up calcitating and sealing the cracks. The work of the MIT of recent days, also studies those clasts in the terrestrial concrete and theorizes that they are the result of the Romans added living lime to the mixture of the concrete (instead of the dull lime – calcium hydroxide – key of the Puzolenic reactions). Beyond that, researchers They made several mixtures With living lime and verified that, according to their theory, in these new mixtures lime clasts were generated (and was calcited that repaired the cracks). As Brian Potter saysthe discovery is interesting at the historical level. But, despite the attempts to sell it as something revolutionary, it is potentially useless. Useless? Yes, useless. When talking about Roman concrete, a lot of mistakes are usually made, but there are two recurring: the first, As Manuel F. Herrador always reminds usStructural concrete professor at the University School of the University of Coruña, is “the survivor’s bias.” The idea of ​​the extraordinary quality of Roman concrete comes from studying, precisely, the best structures they did, which have best been preserved. On the other hand, most of what the Romans built has already disappeared completely and cannot be studied. The second error. We are comparing ‘churras with merinas’ at a functional level. For being clear, with the Roman concrete we could not make a tenth of the things we do with modern concrete. The clearest example is reinforced concrete (that is, the mixture of concrete with reinforcement steel). These materials allow us to solve many of the structural problems presented , We have to pay a cost. The most obvious: the structures run before. We make the concrete we want to do. This is perhaps the most important to consider when we talk about Roman concrete: we do not “concrete to the Roman” because we do not want; Because it is not worth what we want to get. The same potter It puts examples (the Hindu temples and Buddhists built to “last more than 1000 years”) that show that current science and technology allow authentic virguerías. The question is if we want to do them in a world that changes so quickly and not, no matter how much we like the Romans, we do not want. Luckily: that allows us to go much further. In Xataka | Glass is a more everyday material but its physics does not. We are not even clear if it is really a solid In Xataka | Cheaper, durable and ecological: a new material with the help of ruthenium wants to change the rules of green hydrogen Image | Renzo Vanden Bussche *An earlier version of this article was published in January 2023

icon of elegance with her most impressive gala dresses

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No doubt, Caroline of Monaco She is an international style icon, an example of exquisite elegance and a worthy heir to the sophistication of her mother, Grace Kelly. Today, on the occasion of his 68th birthdaywe remember your gala dresses and festive outfits with which she has marked her own style among the royals at events like festivals of the Principality or meetings with other Royal Houses; see, for example, the dinner of pre-wedding of Kings Felipe VI and Doña Letizia. 115 © GTRES Deep neckline On March 23, 2024, Carolina de Monaco once again caused a sensation in the traditional Rose Dance which, that year, was inspired by the disco music of the 70s and 80s. For the occasion, and being ‘unfaithful’ to her main brand, Chanel, she opted for an elegant black sequined dress with a pronounced neckline by Lanvin, which We had already seen him previously. 215 © GTRES In midi length For the Rose Ball on March 25, 2023 that was inspired by Bollywood, Princess Caroline shined with a silver dress with reddish trim, which was midi length and suited her wonderfully. © Getty Images Feathers and volumes In May 2004, the Monegasque princess attended the pre-wedding dinner of the current Kings of Spain, an event in which she showed off her characteristic elegance with a long dress signed by her great friend Karl Lagerfeld for Chanel, a brand for which she continues to be faithful today. Specifically, it opted for a striking design with floaty white tulle body decorated with feathers and black skirt with an opening and a slight train that captured all eyes. Finished off with XL earrings and an envelope clutch. 415 © GTRES The most original skirt For the Rose Ball on July 8, 2022, Carolina de Mónaco wore a semi-transparent printed dress that had a original skirt with balloon puffsby Chanel. He accompanied it with an elegant black jacket. © Getty Images In the footsteps of Doña Letizia In 2018, Princess Carolina made an impact with a vStella McCartney’s asymmetrical red look that Queen Letizia had already worn before. It is a fabulous piece with a cape effect to which she added white gloves, metallic sandals and maxi rhinestone earrings. Behind us we see Beatrice Borromeo dressed in a delicate Armani design in champagne tone with a bateau neckline and transparent sleeves decorated with rhinestones. – Carolina de Monaco looks at Doña Letizia’s most iconic red dress 615 © GTRES In blue During the evening celebrations for Monaco’s National Day on November 19, 2024, Carolina opted for a fabulous blue sequin dress. He accompanied him clutch model knot from Bottega Veneta. © Getty Images impeccable godmother In the summer of 2015, the Princess served as the perfect and stylish godmother at the wedding of her son, Pierre Casiraghi, with the aristocrat Beatrice Borromeo. For the religious wedding celebration, she opted for a fabulous Chanel dress with spaghetti straps and trapeze silhouette studded with sequins that added a tulle skirt adorned with feathers and matching long semi-transparent mittens. – Carolina de Monaco also proudly shows off her gray hair © Getty Images The most original As it could not be otherwise, in 2017 she attended the traditional Rose Ball, and she did it again arm in arm with her inseparable Karl Lagerfeld, organizer of the event and in charge of signing her look. On that occasion it was starring a striking black and white dress that added voluminous tulle ruffles on the sleeves and bottom of the skirt, a design that will go down in history for being a very different choice from all the previous ones. – From Charlotte to Carolina of Monaco: what would their looks have been like at the Rose Ball? © Getty Images Sequins and stars In October 2018, she attended a gala at the Monaco casino dressed in an impressive and timeless black sequin dress, a model with a ‘V’ neckline, long sleeves, a fitted body and a skirt with a slight train. decorated with a star on the chest. She wore it with some dangling earrings and, to add a touch of color, she added a red clutch bag. © Getty Images Strategic transparencies In October 2019, she attended a party at the emblematic Monaco Casino wearing a high-impact dress. It was an impressive creation by Chanel, its leading brand, belonging to the spring-summer 2014 Haute Couture collection. It had a crew neck, short sleeves, a straight silhouette and a long skirt, and was made in a delicate tweed semi-transparent with metallic threads embroidered with thousands of light white feathers gradient effect that ends in an original tail. She completed it with a cream-colored handbag, also from the French house, and large jewelry decorated with pearls, including dangling earrings that illuminated her face. © Getty Images Floral embroidery In 1996, the Princess of Monaco attended the celebrations for the 50th birthday of King Carl Gustav of Sweden, and she did so with a fitted design that highlighted her spectacular figure. It was a long-sleeved piece with a bateau neckline in a taupe tone decorated with delicate floral embroidery. Despite She is not very fond of wearing tiaras, on that occasion she wore 2: the Cartier Pearl Drop (her favorite) crowning her updo and the Diamond Fringe as a necklace. – The Hannover princesses who have worn the floral tiara © Getty Images Metallic tones In October 2012, the wedding of Guillermo and Estefanía de Luxembourg took place, at whose previous dinner Carolina dazzled – literally – thanks to a dress belonging to the fall-winter 2011/2012 collection of the Chanel Haute Couture line. It was a fitted piece with a ‘V’ neckline filled with sequins in metallic tones that formed a geometric pattern in the purest 1920s style, although, without a doubt, the most spectacular thing was on the back, which was exposed. She accessorized with sparkly Christian Louboutin shoes, a black clutch and, again, the Cartier Pearl Drop tiara, as well as the … Read more

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