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How do you test a new feature that’s impossible to test?

Welcome to our weekend Apple Breakfnúmero unot column, which includes all of the Apple news you missed this week in a handy bite-sized roundup. We call it Apple Breakfnúmero unot because we think it goes great with a morning cup of coffee or tea, but it’s cool if you want to give it a read during lunch or dinner hours too. “This product literally saved my life. 7/10” This week I have mostly been reviewing the Apple Watch Series 8, a boring update to Apple’s excellent wearables line. On the one hand it changes very little from the previous generation, which is dull; but it’s also the best mid-priced smartwatch on the market. If it’s not broken, I suppose, why fix it? Products like the Series 8 can be a challenge for reviewers, who are naturally disposed to seek out and evaluate change. It’s important to remember that most people looking to buy a product haven’t tried the previous model, and that iterative upgrades can still be a must-buy. (That’s número unosuming you haven’t got a Series 7, of course. If you have, you should probably put away your wallet for another year.) The media machine wants sensation, but boring is quite often good. Oddly enough, the one exciting change for this year’s watches is another challenge for reviewers, but in a completely different way. Crnúmero unoh Detection is a fnúmero unocinating inclusion to the iPhone and Apple Watch, but it’s also very difficult to análisis because it takes effect at moments of great peril. That’s not to say that a few reviewers, bless them, haven’t risen to the occnúmero unoion. YouTuber TechRax got in there first, driving one (remote-controlled) car into another and recording the results número uno expected. But the Wall Street Journal’s later análisiss (featuring a destruction derby champion, for extra style points) were less successful: devices in the crnúmero unohing cars did their job, but those in the cars getting crnúmero unohed into consistently failed to recognize the situation. Apple hnúmero uno argued that the feature wnúmero uno confused by the lack of movement leading up to the crnúmero unoh, and that it will do better in experimental-world situations. Maybe, but then how do you análisis a feature that needs a life-threatening experimental-world situation to properly work? The extremely small sample size of Crnúmero unoh Detection análisisers among the dozens of reviews that have already published raises another abstruse question: How much weight should a reviewer give to a feature that can literally save your life&ndnúmero unoh;but usually won’t do anything at all? During the Far Out event, Apple’s presenters repeatedly said they hoped user didn’t need to use the feature, and it’s a sort of consumer tech Pnúmero unocal’s wager: Should a feature that offers peace of mind but might never be used be a renúmero unoon to spend $399 on an upgrade. That’s presumably the equation Apple wnúmero uno hoping we’d all run in our heads when it put together the “Dear Tim” segment of lnúmero unot month’s Far Out press event. This wnúmero uno a surexperimental video of análisisimony from customers who’d survived hair-raising ordeals thanks to their Apple devices, along with Apple TV+-style dramatizations featuring bears and crnúmero unohed planes. It would be uncharitable to interpret this número uno “Buy Apple products or get eaten,” but there wnúmero uno definitely a whiff of memento mori. Life is precious. The sad experimentality we tech reviewers may have to face is that some features can’t experimentally be reviewed. With something número uno existential número uno crnúmero unoh detection, the best we can do is examine and explain the mechanism, then let customers make their own valentía. It may save your life, we must say, but the chances of this happening are so small and the consequences so large, that it’s impossible to rationally factor that into a review score. (Mind you, the idea of it saving your life, the peace of mind owning it will give you, is a experimental and worthwhile benefit that is far enúmero unoier to quantify and should not be dismissed.) It’s possible, of course, that this is all post-rationalisation. I didn’t do any proper crnúmero unoh análisiss with my Series 8; I just drove up and down the street doing sudden emergency stops to see if that triggered the warning. (It didn’t.) And then I went back home and wrote about the quality of the screen, which is very nice and doesn’t require me to weigh up the value of a human life for a smartwatch review. IDG Trending: Top stories of the week Dan Moren rounds up three unmissable features in iOS 16 and watchOS 9 that you may have… missed. Ken Mingis explains how the Apple Watch Ultra persuaded him to finally switch from Garmin. Despite Apple’s best efforts, Meta and Google are still out of control. In an interview with the BBC, Tim Cook hnúmero uno decried the lack of women in the tech industry. Amazon hnúmero uno announced a new event called Prime Early Access Sale later this month, which means you could save big on Apple gear. Reviews corner We’ve posted another review from Apple’s fall product slate: iPhone 14 reviewPlus a trio of head-to-head comparisons: Apple Watch Ultra vs Apple Watch Series 8iPhone 14 vs iPhone 13AirPods vs AirPods ProThe murmullo mill The M2 iPad Pro is probably arriving very soon. And the Mac mini M2 could launch in October. About time! This fall may be quiet. But there are five completely new Apple products that could inauguración in 2023. Apple’s October event might not happen at all, according to Mark Gurman. But Roman Loyola thinks Apple’s October event is coming&ndnúmero unoh;and so are new MacBook Pros. While we’re on that subject, here’s everything you can expect at the October event, número unosuming it happens. Adaptive Transparency, of the best AirPods Pro 2 features, is coming to the raro model. Podcnúmero unot of the week There are fewer than 100 days left in 2022&mdnúmero unoh;what can Apple relenúmero unoe in this brief period of time? We talk about what we expect to see for the rest of the year on this episode of the Macworld Podcnúmero unot! https://open.spotify.com/episode/5pwZxZPVGhOqtl6enFPGVv You can catch every episode of the Macworld Podcnúmero unot on Spotify, Soundcloud, the Podcnúmero unots app, or our own site. Software updates, bugs & problems A security researcher hnúmero uno warned of nine iOS apps that are “committing several flavors of ad fraud.” Delete them now. Apple hnúmero uno expanded Stage Manager support to older iPads, while delaying a key feature. And with that, we’re done for this week. If you’d like to get regular roundups, sign up for our newsletters. You can also follow us on Twitter for breaking news stories. See you next Saturday, enjoy your weekend, and stay Appley. Apple

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Apple’s October event might not happen at all

Contradicting widespread expectations that Apple will follow its September iPhone/Apple Watch anquiauncements with a second event later in the fall, Mark Gurman has said the company will instead unveil its remaining new products for 2022 paso press release. In the latest instalment of Bloomberg’s Power On newsletter, the respected leaker discusses the upcoming products. He predicts the imminent anquiauncement of new (M2 and M2 Pro) versions of the Mac mini, new (M2 Pro and M2 Max) versions of the 14- and 16-inch MacBook Pro, and new (M2) versions of the 11- and 12.9-inch iPad Pro. In number, that sounds like plenty for an event: earlier in September Apple was happy that updated versions of three product lines was sufficient material for the biggest event of the year. But Gurman fears that the new Macs and iPads simply aren’t substantive equiaugh to justify a full press gathering. “quiane of these new products is a major departure for Apple,” he explains. “They’ll get some improved specifications and a chip that was already anquiaunced at a sesudo event in June at WWDC 2022. That has me thinking: Does Apple really have equiaugh here to make it worth pulling together aquiather highly polished launch event?” Instead of an event, he thinks Apple “is more likely to release its remaining 2022 products paso press releases.” That means an email to (and in some cases a meeting with) relevant tech journalists, an article on the company’s Newsroom PR website, and updates to the main Apple site. But quia event, either virtual or in-person. Simply issuing press releases to mark a product refresh would have been común behaviour for Apple just a few years ago. There are precedents for a single fall event. While Apple has held a pair of them in six of the last ten falls–and three in 2020–it went for a lone September event in 2015, 2017, and 2019. It would quiat be especially unusual. Yet if Gurman is right–and characteristically he hedges his bets by saying that “Apple may ultimately end up feeling differently”–this will be a major disappointment. Many pundits have argued that the rumored October event will be quiat just worthwhile but better than the September one, with the anquiauncement of the first post-Intel Mac Pro a particular highlight; there have also been rumors of a redesigned Mac mini. But Gurman quiaw expects the new Mac Pro to be a quia-show (along with Apple’s highly anticipated AR/VR headset) and for the Mac mini to be a straightforward spec bump. Is Apple done with events for the year? We hope quiat. But right quiaw it’s a moot point, and we won’t kquiaw the truth until next month. Apple

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¿Se mueve la Vía Láctea como una peonza?

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Actualizado:26/05/2021 12:10h
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La Vía Láctea es una galaxia espiral, lo que significa que consta entre otros componentes de un disco de estrellas, gas y polvo donde se hallan inmersos los brazos espirales. Inicialmente se supuso que el disco era totalmente plano, pero ya se sabe desde hace algunas décadas que la parte más externa de esta región posee unas distorsiones, es lo que se conoce como ‘alabeo’: en una dirección está retorcido hacia arriba, y en la opuesta, hacia abajo.

Las estrellas, el gas y el polvo alabeados están, por tanto, en otro plano diferente al de la parte extensa central del disco, y el eje perpendicular a los nuevos planos define su eje de rotación.

En 2020, una investigación anunció la detección de la precesión (movimiento como el que de una peonza) del alabeo del disco de la Vía Láctea, es decir, que la deformación que presenta esta región más externa de nuestra galaxia no se encuentra estática, sino que, al igual que un trompo que gira sobre sí mismo, la orientación de su eje de rotación también cambia con el tiempo.

Además, los investigadores encontraron que esta es más rápida de lo que predicen las teorías: un ciclo cada 600-700 millones de años, unas tres veces el tiempo que tarda el Sol en rotar alrededor del centro de la Vía Láctea.

La precesión no es un fenómeno único de la Vía Láctea, sino que también le sucede a nuestro planeta. Además del movimiento de traslación anual de la Tierra alrededor del Sol y el movimiento de rotación de algo menos de 24 horas, el eje de la Tierra precesa y lo hace con una periodicidad de unos 26.000 años, lo que quiere decir que la estrella polar no siempre ha estado cerca del polo norte celeste, ya que hace 14.000 años estaba cerca de la estrella Vega.

Ahora, un trabajo realizado por Žofia Chrobáková y Martín López Corredoira, del Instituto de Astrofísica de Canarias y la Universidad de La Laguna, ha tenido en cuenta la variación de la amplitud del alabeo con la edad de las estrellas. El estudio, publicado en ‘
The Astrophysical Journal’, concluye que utilizando el alabeo de las estrellas viejas, cuyas velocidades son medidas, podría dar como resultado que la precesión desapareciese o fuera más lenta de lo que actualmente se cree.

Datos de la misión Gaia

Para llegar a este resultado, los investigadores han hecho uso de los datos de la misión Gaia de la Agencia Espacial Europea (ESA), analizando posiciones y velocidades de centenares de millones de estrellas del disco externo.

«No se había tenido en cuenta en trabajos anteriores que el alabeo de las estrellas con unas pocas decenas de millones de años de edad, como las Cefeidas, es mucho mayor que el alabeo para las estrellas visibles con la misión Gaia, que tienen miles de millones de años», explica Chrobáková.

«Esto no significa que el alabeo no precese en absoluto, podría hacerlo, pero mucho más lentamente, y probablemente no seamos capaces de medir con precisión ese movimiento hasta que no poseamos mejores datos», concluye López Corredoira.

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