In 2026, Marvel and Mattel are both releasing projects designed to capitalize on people's love for iconic animated heroes from their childhoods. Masters of the Universe has put a live-action He-Man on the big screen, and the second season of X-Men '97 is about to fling some of Charles Xavier's mutants into an apocalyptic future. Both projects were clearly made by people who love the source material, and they are similarly filled with nerdy Easter eggs meant to get hardcore fans hyped up. X-Men '97 and Masters of the Universe are both nostalgia plays, but the biggest difference between the two - and arguably the reason one of them hasn't been …

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I turned off Siri on the Mac years ago and never looked back. Similarly, I found Apple Intelligence so fruitless I never engage with it. But the new Siri AI coming to macOS 27 Golden Gate has at least got me slightly rethinking things.

I'm still early in testing Siri AI, as I've only had access to it in the macOS 27 developer beta for little more than 24 hours. It's also in an early preview state on the dev beta, so there should be lots of runway for improvements before it releases later this year. I don't even know if it's done indexing my files and folders on our review unit M5 MacBook Air and M5 Max MacBook Pro. Unlike on the iOS 27 dev …

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Three years ago, when the women's World Cup kicked off in Australia and New Zealand, my social feeds were in a strange place. Twitter had just transformed into X, newcomer Threads was seemingly ascendant, and places like Bluesky had yet to garner much momentum. It left me with an odd, and admittedly silly, dilemma: I had nowhere good to post dumb jokes during games. And now, as the next World Cup is set to begin across Canada, the US, and Mexico, not much has changed.

There were a lot of problems with Twitter even when it was at its most popular, but it also introduced a new kind of live experience for many. Its real-time nature and huge au …

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Electricity demand from AI data centers is pushing everyone — including automakers like GM and Ford — into the energy storage business.

People often speak metaphorically of the heartbeat or pulse of a city, but according to the authors of a new paper published in the Proceedings of the National Academy of Sciences, cities do indeed have an "urban pulse"—an indication of urban "metabolic activity" that can be measured to suss out telltale patterns. And those patterns could help inform future public policy around urban planning.

The precise definition of urbanization has shifted over the centuries. Zhe Zhu of the University of Connecticut and his fellow authors adopted a broad version for their study. It features fundamental "processes of concurrent change in at least six dimensions, including demography, economy, infrastructure, environment, governance and culture," they wrote. "Together they give rise to outcomes, measurable results of the process, such as population growth, urban land expansion, GDP growth, and innovation." Their chosen metrics reflect this dynamic view: Cities are not static grids but "living, adaptive ecosystems."

“For decades, we had just been capturing the outcome of urbanization—a house that’s been built, or a road expansion,” said Zhu. “But you don’t really see the dynamics within an urban area. This is going to be a very impactful tool influencing not only top-down policy decisions from governments but also bottom-up decisions from everyday people navigating their cities.” One day we may be able to check a neighborhood's "urban pulse" while house-hunting, for instance, or while scouting potential locations for a new business.

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Introduction: “Convenient Notation” In Dirac’s Principles of Quantum Mechanics published in 1930 he introduced a “convenient notation” he referred  to as a “delta function” which he treated as a continuum analog to the discrete Kronecker delta.  The Kronecker delta is simply the indexed components of the identity operator in matrix algebra: [tex]\delta^j_k =\left\{\begin{array}{lcl}1&\text{ if }...

Abstract This article will build on the hints about treating the complex numbers as a branched surface, briefly described and pictured in section 4.2 of https://www.physicsforums.com/insights/views-on-complex-numbers/#The-Radish. Using a particular set of conventions, all the problems described in https://www.physicsforums.com/insights/things-can-go-wrong-complex-numbers/  can be removed, and the rules described there as applying only to reals generalized to complex numbers. A...

Introduction Series play a decisive role in many branches of mathematics. They accompanied mathematical developments from Zeno of Elea (##5##-th century BC) and Archimedes of Syracuse (##3##-th century BC), to the fundamental building blocks of calculus from the ##17##-th century on, up to modern Lie theory which is crucial for our understanding of quantum theory....