Robust NMF finds order in noisy image chaos

The art of sorting images into meaningful groups is not just a nerdy puzzle for data scientists. It’s the backbone of modern photo apps, medical imaging archives, and the ever-growing catalogs of surveillance and social platforms. Yet real-world image collections come with a foe that isn’t easily tamed: noise. Tiny distortions, lighting quirks, or partial…

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A Hidden Rule Links Four Points to Perfect Data Codes

The world of mathematics isn’t just chalk on a board; it’s a treasure map for how we store, share, and understand information. In a new line of thought, a researcher named Stanislav Semenov sketches a simple, almost shy rule—a four-point invariant—that binds four consecutive evaluations of a sequence into a single, unchanging truth. It’s the…

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A Tiny Aluminum Wire Unleashes a Quantum Leap in JJs

The team behind this work hails from CNRS and a constellation of French and Spanish institutions. At the Laboratoire de Physique de la Matière Condensée (LPMC) within École Polytechnique and the Institut Polytechnique de Paris, researchers led by Loïc Bretheau and Jean-Damien Pillet have devised a fresh, all aluminum route to Josephson junctions that host…

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Non-commuting coordinates reveal helicity-driven space-time quantization mysteries unveiled

Demokritos National Research Center in Athens, Greece, home to the Institute of Nuclear and Particle Physics, is where George Savvidy and colleagues push the boundaries of how we describe massless particles. In a study threaded through the language of non-commutative geometry and deep symmetry, the author explores how photons and gravitons—the massless quanta of light…

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The Two Spikes That Let LLaMA Shrink Without Loss

The scale of modern language models can feel like watching a glacier slide: immense, intricate, and almost impossibly heavy. These giants—open or closed—are built from billions of parameters, tuned to predict the next word with uncanny fluency. But there’s a catch that scientists have wrestled with for years: the bigger the model, the heavier the…

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Collision Models Teach Quantum Open Systems How They Evolve

Open quantum systems are the rule, not the exception in the real world. A quantum device rarely lives in isolation; it is constantly brushing against an environment—air, stray photons, vibrating lattices—until its fragile quantum states degrade. For decades, physicists have used continuous-time master equations to describe this bath-induced evolution, with the Lindblad equation as a…

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