Particle physicist earned the 2026 Nobel Prize in Physics for his contributions to neutrino astronomy.
The post Neutrino Hunter Francis Halzen Wins Nobel Prize in Physics appeared first on Sky & Telescope.
Our basic understanding of core-collapse supernovae hasn't changed in decades. Large stars burn through all the fuel at their cores and start creating heavier elements in reactions that consume energy. The lack of energy from these reactions allows gravity to pull the interior of the star in on itself, collapsing it into a neutron star or black hole. The energy released by this process then blows the remainder of the star apart.
And, generally, that's right. But there's an entire busload of devils in the details. The statistics of supernovae that we've observed indicate that the model may be seriously incomplete. And on the theoretical side, there are still plenty of uncertainties, including over some of the basics, such as whether all core collapses actually result in a supernova.
A paper being released by Physical Review D provides what might be a potential explanation for the discrepancy: flavor-changing neutrinos. Neutrinos play a key role in our current models of supernovae, and right now, those models don't take into account one of neutrinos' most striking features: their ability to change identity.
© Ken Chen, Academia Sinica Institute of Astronomy and Astrophysics
Our basic understanding of core-collapse supernovae hasn't changed in decades. Large stars burn through all the fuel at their cores and start creating heavier elements in reactions that consume energy. The lack of energy from these reactions allows gravity to pull the interior of the star in on itself, collapsing it into a neutron star or black hole. The energy released by this process then blows the remainder of the star apart.
And, generally, that's right. But there's an entire busload of devils in the details. The statistics of supernovae that we've observed indicate that the model may be seriously incomplete. And on the theoretical side, there are still plenty of uncertainties, including over some of the basics, such as whether all core collapses actually result in a supernova.
A paper being released by Physical Review D provides what might be a potential explanation for the discrepancy: flavor-changing neutrinos. Neutrinos play a key role in our current models of supernovae, and right now, those models don't take into account one of neutrinos' most striking features: their ability to change identity.
© Ken Chen, Academia Sinica Institute of Astronomy and Astrophysics
A Meta está lançando um novo pacotão que combina suas assinaturas de aplicativos individuais com uso adicional de recursos de inteligência artificial. Chamado Meta One, esse pacote passou por testes no início deste ano, mas agora está disponível globalmente, com várias categorias para usuários individuais, criadores e empresas.
Há dois pacotes para usuários individuais: o Core, por R$32/mês (ou US$8/mês nos Estados Unidos), e o Premium, por R$97/mês (US$20/mês). Ambos incluem as assinaturas Instagram Plus, WhatsApp Plus e Facebook Plus, além de oferecerem um limite maior de geração de mídia com a Meta AI.
As assinaturas Meta One voltadas a criadores e empresas variam de R$60/mês (US$15/mês) a R$2.000/mês (US$500/mês). Elas também incluem as assinaturas individuais dos aplicativos da Meta, além de benefícios como um botão de seguir em destaque, selo de verificação, melhor posicionamento nos resultados de busca e monitoramento contra contas falsas que se passam por você.
Eis os planos:
A Meta afirma que a “experiência principal” em seus aplicativos e na Meta AI continuará gratuita, e os usuários ainda poderão adquirir as assinaturas para o Facebook, o Instagram e o WhatsApp separadamente, sem o pacote One.
A empresa também diz planejar aprimorar ainda mais as assinaturas com a inclusão de recursos de edição, óculos com IA e muito mais “ao longo do tempo”.
Apple (release notes, security, enterprise, developer):
Explore what’s new for visionOS 27.
See also:
Previously:
As previously announced, Apple has today released 2026's major annual updates for its operating systems, including iOS 27, macOS 27 Golden Gate, watchOS 27, visionOS 27, and tvOS 27.
Siri AI—a large language model-based and context-aware overhaul of the company's Siri voice and text assistant—is the flagship feature across all these releases except one (tvOS).
© Apple
Dados do mais recente balanço do Serviço de Alterações Climáticas Copernicus (C3S), partilhado pelo pelo Centro Europeu de Previsões Meteorológicas de Médio Prazo (ECMWF), mostram que agosto de 2026 foi, a par de julho de 2023, o mês mais quente de sempre desde que há registos.
The post Agosto bate recordes de temperatura e marca o verão mais quente de sempre na Europa Ocidental appeared first on Tek Notícias.
Junto ao anúncio dos iPhones 18 Pro e 18 Pro Max, a Apple lançou também uma nova modalidade para seu serviço chamado AppleCare.
Trata-se do AppleCare One Family, que chega para permitir que integrantes de uma mesma família adicionem seus aparelhos a um pacote único.
Posts relacionados
Com o AppleCare One (agora rebatizado para AppleCare One Individual), vale recordar, é possível proteger três aparelhos em uma única assinatura — você pode adicionar mais aparelhos pagando mais — usando uma única Conta Apple em todos eles, sendo mais econômico que o AppleCare+ tradicional.
No AppleCare One Family isso obviamente muda. Nele, até seis integrantes da família (todos necessariamente integrantes do Compartilhamento Familiar) podem incluir todos os seus aparelhos elegíveis na cobertura — isso mesmo, sem limites de dispositivos.
Os reparos para quebra de aparelhos são ilimitados nos dois planos. A limitação fica para a quantidade de sinistros (perda ou roubo) cobertos: no AppleCare One você tem direito a até três no ano, enquanto que no One Family esse número sobe para até seis. O preço também é diferente, obviamente. O AppleCare One Family sai por US$50/mês, US$30 a mais que o plano individual.
Ainda não suportado no Brasil, o AppleCare One Family estará disponível a partir do dia 14 de setembro nos EUA.
Em meio ao evento “Surprise and shine”, a Apple confirmou que o iOS 27, iPadOS 27, macOS Golden Gate 27, watchOS 27, visionOS 27 e tvOS 27 serão lançados na segunda-feira da semana que vem, no dia 14 de setembro.
Em beta desde junho, os sistemas 27 reúnem uma série de novos recursos para a Apple Intelligence, além da nova Siri AI — vale lembrar, essas funcionalidades podem não ser compatíveis com todos os dispositivos em que os sistemas 27 estão disponíveis.
Em matéria de iPhone, um diferencial relevante para as gerações mais antigas é a implementação de um novo scheduler de CPU 1Central processing unit, ou unidade central de processamento. para gerenciar melhor as demandas de cargas de trabalho em iPhones a partir do 11, algo já visto anteriormente nos modelos mais recentes — além, claro, de melhorias mais amplas, como na velocidade de envio de arquivos no AirDrop.
No caso do macOS, o maior destaque — além da otimização de desempenho — é o fim do suporte aos Macs com processadores Intel.
Junte-se a milhões de empresas que usam as versões premium de apps como Gmail, Agenda, Drive e Meet. Com o Gemini integrado ao Google Workspace, você escreve, resume e organiza em segundos — e tudo continua funcionando de qualquer lugar, com apps completos e intuitivos para iPhone, iPad e Mac. Comece hoje mesmo com 20% de desconto nos 6 primeiros meses!
NOTA DE TRANSPARÊNCIA: O MacMagazine recebe uma pequena comissão sobre vendas concluídas por meio de links deste post, mas você, como consumidor, não paga nada mais pelos produtos/serviços usando os nossos links de afiliado.
Rivian is rolling out RivianOS 2, the biggest overhaul of its in-car software since the R1 first shipped. For the first time, it puts every vehicle the company sells on a single software stack.
The update, version 2026.31, started reaching eligible R1 and R2 vehicles today. It brings a rebuilt interface, Unreal Engine 5 graphics, real-time police and speed-camera alerts, and a deeper AI layer Rivian calls Unified Intelligence.
more…
Apple’s recent Vision Pro layoffs reached further across the company than initially disclosed, according to Bloomberg News’ Mark Gurman.
Last month, Gurman reported that Apple cut about 100 jobs from the Vision Products Group, largely by shutting down the headset’s gaming team and shrinking the unit that produces immersive video. Combined with reductions on Siri and related software teams, the changes affected more than 200 people. Apple said it was realigning teams to focus on new devices and AI, while creating some new roles and offering affected employees a chance to apply elsewhere.
Gurman now says the cuts also hit Vision Pro-related staff in other parts of Apple, including device security, audio engineering, Siri integration, testing, and visionOS. Because visionOS is expected to underpin upcoming smart glasses as well as the headset, the broader reductions affect shared software rather than Vision Pro hardware alone.
According to Gurman, the company has told employees that Vision Pro and visionOS are not going away. A redesigned successor, internally known as N224, is still not expected before late 2028. Near-term emphasis has shifted to AI wearables, including smart glasses code-named N50 that remain on track for next year. Those glasses are not expected to support the same immersive video or advanced gaming experiences as the current headset.
The moves follow the June departure of Paul Meade, who led Vision Pro and smart glasses work before leaving for OpenAI. People inside the Vision organization have spent months urging new CEO John Ternus to keep investing in the platform even as sales lag, Gurman reports. Colleagues who have discussed the headset with Ternus say he was skeptical from the start that a bulky, expensive enclosed device could reach a mass market. He is still said to support the glasses project, but Gurman reports he would consider walking away from head-worn devices as a category if they fail to catch on.
Apple has described the changes as limited and tied to evolving product priorities. Vision Pro launched in 2024 as the company’s spatial-computing flagship but never became a high-volume product, constrained by price and form factor. In-house immersive videos can cost millions to produce and have not proven cost-effective given relatively small active use. Apple now plans fewer internal productions and more third-party content.
MacDailyNews Take: Vision Pro should never have shipped in its initial or present form and it never would have shipped under Steve Jobs or, it sounds like, under John Ternus.
[This] is exactly what you’d expect to occur when a product is released too early to average users… Apple Vision Pro is a devkit for developers, not for average users, and should have been released as a devkit for developers. – MacDailyNews, March 26, 2024
There are a lot of people inside and outside of Apple who think the company should have waited on the Vision Pro, but it’s fairly easy today to see why Tim Cook released this beta (alpha?) devkit: He likely knew last year, or had a strong inkling, that Project Titan was a goner and there wasn’t much excitement in Apple’s pipeline. He’d need something to point to as “innovation” while he continued on his seemingly unending quest to iterate and monetize products invented by Steve Jobs’ Apple (a very different place) while continuing Apple’s retail store buildout. He also needed something to energize developers and, who knows, they might come up with a killer visionOS app while Apple toils on the long road to real lightweight spatial computing glasses and beyond.
More importantly, Apple last year had already come to the sad realization that they’d missed the generative artificial intelligence revolution and would need a distraction while they feverishly scrambled to catch up (the fruits of which — alongside what sound like disappointing partnerships which hopefully, somehow, preserve user privacy — we’ll hopefully begin to see at WWDC this June).
You have to feel for Cook. After a decade plus of being able to iterate and monetize Jobs’ inspired products and services and continue adding retail stores around the world to spectacular effect, and being lauded for it, he now finds himself in a place that requires actual vision to be able to see which path to take. And he’s not the guy. Even the guy who put him in the position knew it.
Tim’s not a product person, per se. – Steve Jobs
See also:
• Contrary to popular belief, Steve Jobs knew about Apple Watch – February 13, 2023
• Work on Apple Vision Pro began under Steve Jobs – August 23, 2023Beyond the fact that Cook can’t even execute a compelling live keynote address, his big send off, the “Apple Car,” [the idea of which was also germinated under Jobs] fizzled in ignominious failure.
See also:
• Scrapped Apple Car ‘a massive disappointment that will alter the course of the company’s history, perhaps for decades to come’ – Gurman – March 11, 2024
• Apple employees referred to doomed Apple Car project as ‘The Titanic Disaster’ – February 29, 2024So, despite myriad misgivings and protestations inside Apple, Cook pulled the trigger early on the Vision Pro. He had to have something to point to that would buy him some time. Even Apple’s rubber-stamping board of lackeys would wake up and start asking questions otherwise.
While Cook is hemming and hawing when faced with shareholders (virtually, of course, never again in person for as long as Cook remains), Apple is currently in scramble mode trying to catch up to rivals in generative AI, a technology the company seems to have completely missed while focusing instead on the not-ready-for-primetime Apple Vision Pro, visionOS, its now-canceled decade-long multi-billion-dollar electric vehicle boondoggle, replacing leather in iPhone cases and Apple Watch bands with overpriced junk in a quest to “save the planet,” forcing employees to endure a constant barrage of time-wasting zero-productivity DEI sessions, and myriad other various and sundry “initiatives” which Cook deems of import. – MacDailyNews, February 28, 2024
When you lose your visionary CEO and replace him with a caretaker CEO, this is the type of aimless, late, bureaucratic dithering that ensues. – MacDailyNews, November 21, 2017
Thankfully, blessedly, today is finally a Brand New Day for Apple!
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The post Apple’s Vision Pro job cuts were broader than first reported appeared first on MacDailyNews.
In addition to cutting dozens of Vision Pro employees who worked on features like immersive video and gaming, Apple is laying off people who worked on Siri and AI, reports Bloomberg.
Apple is “largely shutting down” the Vision Pro team focused on gaming, and it is paring down the team that makes immersive video content. Approximately 100 employees who were part of the Vision Products Group have been laid off, with Apple also cutting 100 people from its Siri and software groups.
[…]
Despite the cuts to the Vision Products Group, employees were told that the Vision Pro and visionOS operating system are not being eliminated.
Apple told Bloomberg that it was realigning some teams in order to “evolve” the business to provide the best experience for users. “While we will create new roles as part of this change, it will also impact a limited number of existing roles,” Apple said.
The job cuts are tiny in relation to the overall company, which had 166,000 full time employees in September 2025 (the last time Apple disclosed its headcount). But as John Ternus prepares to take the CEO job just over one week from now, the timing seems designed to get some unpleasant work out of the way and let the new boss come in with clean hands.
It’s hard to find good people, Apple has plenty of work that needs doing, and it just reported a record quarter. Maybe they don’t need more immersive video content, but it’s not clear to me why the other employees couldn’t be reassigned. And I’m really wondering what’s going on with the general software group, where they’re getting rid of legends like Keith Stattenfield:
So, I posted yesterday on an another place that I had been just laid off at Apple after 37 years. ( Surprise! I got laid off. It was unexpected. I am still coming to terms with it. Yes, I will be ok. ) And I mentioned some of the things I’d done, and mused that I’d thought I’d finish out my career in a few years having passed along the knowledge to younger engineers. Alas, that’s going to get left unfinished.
I felt much the same way, because I’d also hoped to slowly ease into retirement instead of being given options that led me to retire a few years early.
Laying off anyone working on anything related to Apple Vision Pro is a gross strategic blunder, because it signals a lack of confidence in the product. Put them to work fixing bug backlogs if you don’t want them working on what they were doing, but don’t lay them off and let that show up in the press, that’s fucking amateur hour shit.
[…]
And the same goes for the Software Engineering layoffs, which don’t seem to be reported much upon because the layoffs have been described as “Apple Vision Pro, Siri, and software” where perhaps people don’t get that the latter is how Apple refers to the Software Engineering (SWE) org. There are so many bugs that should be fixed, that users encounter in their everyday lives, just reassign people to work on them. It’s stupid to lay people off when they could do that.
Plus, maybe retaining that institutional knowledge would help forestall future bugs.
Previously:
Update (2026-08-25): Louie Mantia:
Laying off employees who were working on a product that largely “failed” in the market is extremely hurtful to those employees, because the product’s failure is not their fault. They were directed to do that work. Apple should find new places for every single one of the employees who worked on Vision Pro. They owe it to the people who they directed to work toward the goal of making and maintaining Vision Pro. They can afford to do that.
Apple didn’t even work that hard to take care of the iPod employees who were once half the company’s revenue. In the end they basically gave Nest a free engineering team.
Update (2026-08-28): See also: ArsTechnica.
Update (2026-09-02): Hartley Charlton:
Recent layoffs of Apple employees working on the Vision Pro were broader than previously thought, Bloomberg’s Mark Gurman reports.
[…]
Gurman reports that people inside the Vision Pro group have spent months lobbying new CEO John Ternus to stay the course on the platform even as sales continue to underwhelm. Colleagues who have discussed the headset with Ternus say he was skeptical of it from the start, seeing it as too bulky and too costly to reach a mass audience.
Interestingly, since visionOS apparently runs on Apple’s upcoming smart glasses, the wider layoffs impact software shared across both product lines rather than the headset alone.
I was recently informed that I am being laid off from my position at Apple. It was unexpected, especially coming right after WWDC, where several of the projects I led and features I contributed to were announced.
[…]
You can find my resume here.
Previously:
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