Listening to the Heart Without Touching It What if your heart could be monitored without a single electrode stuck to your skin or a smartwatch strapped to your wrist? Researchers at Xi’an Jiaotong-Liverpool University and their collaborators have been exploring a fascinating frontier: using radar waves to eavesdrop on the subtle vibrations of your heartbeat…
Waiting-Only Broadcasts Turn Hard Verification into a Solvable Puzzle In a world where billions of devices whisper to one another at once, the question of whether a distributed protocol behaves the way we intend becomes almost a public-transport puzzle: too many moving parts, too many possible paths, and a clock that never stops. The new…
Across the modern enterprise, the dream of an AI assistant that can answer a question by stitching together clues from Slack threads, meeting transcripts, PRs, documents, and even customer notes is no longer a sci‑fi fantasy. It’s a living, breathing ambition that tech teams chase as eagerly as product managers chase a roadmap. But the…
What online video grounding asks of a machine Every second, a streaming video unfurls a story. In a world of surveillance feeds, live sports, and endless social clips, there’s a practical itch: can a computer listen to a spoken query like a human would and point to the exact moment in the stream where it…
The Echo Chamber Effect, Amplified Imagine a voting system where, as you cast your ballot, you’re simultaneously shown the running tally. Not just the final results, but the live, dynamic shift in votes. That’s the core question explored in a fascinating new study from the University of Chinese Academy of Sciences, led by Yanting Wang….
In the AI economy, data is more than a collection of numbers; it’s the soil in which models root themselves. The more diverse, clean, and relevant the soil, the more robust the plant. But unlike gold or real estate, data lives inside the training pipeline, changing with shifts in tasks, models, and even the regulations…
In the world of signals—think audio clips, medical scans, or the data streaming from a sensor array—there’s a quiet mathematical trick that helps us keep information intact even when pieces of it go missing. It’s not magic. It’s a framework of vectors that, when arranged just so, lets you reconstruct the whole from partial glimpses….
Step into a photo and explore a world that stretches on forever. This isn’t science fiction; it’s the reality offered by Yume, a groundbreaking new AI model developed by researchers at the Shanghai AI Laboratory and Fudan University. Led by Kaipeng Zhang, this system allows users to navigate a dynamic, realistic virtual environment generated from…
The sea of tiny satellites circling Earth has swollen into a living, busy highway. Mega-constellations promise broadband and global connectivity, but with every new plane of satellites the airspace above us becomes messier to manage. The risk isn’t just a single malfunctioning craft drifting out of orbit; it’s a potential cascade—a version of the Kessler…
Dissecting a Decentralized Network: The Floodsub Protocol Imagine a vast, ever-shifting network of computers, each exchanging information independently. This is the world of peer-to-peer (P2P) systems, where decentralization reigns supreme. One critical component of these systems is the ability to publish and subscribe to information efficiently — the backbone of countless applications, from chat rooms…
In the grand chessboard of mathematical foundations, the 20th century left behind a puzzle with two faces: a dream to ground all of mathematics in finitary, rock-solid certainty, and a theorem that quietly torpedoes that dream for any sufficiently rich system. Gödel showed that a system as humble as Peano Arithmetic cannot prove its own…
WR 31a and the Curious Loops of Light Highlights: Polarization loops hint at a hidden companion; a rare post-LBV may host a binary. A multinational team tracks light’s geometry to test whether WR 31a dances with another star. WR 31a, also known as Hen 3-519, sits in a peculiar twilight of stellar life — a…
Climate change is not just rising temps; it’s a map of dangers and opportunities that pushes people to move not for adventure but to survive. When drought tightens the land, when floods erase roads, and when fighting erupts in fragile regions, communities become travelers navigating a landscape that shifts from week to week. A new…
The hidden drama of many high-energy formulations isn’t in the chemistry alone but in the tiny corners where materials meet: the grain boundaries, the surfaces, the junctions where TNT, the infamous explosive, brushes up against HMX, another energetic crystal. A new modeling framework from researchers at Purdue University, Lawrence Livermore National Laboratory (LLNL), and Los…
Why Your Java Project Might Be Hiding More Than You Think Software developers often rely on third-party libraries to speed up building applications. These libraries are like ready-made Lego blocks—pieces of code crafted by others that you can snap into your project instead of building everything from scratch. But what if some of these Lego…
The cosmos is a vast relay race where the past trails behind the present in the form of light and gravity. The cosmic microwave background (CMB) is the oldest relay baton, a whisper of the universe when it was barely 380,000 years old. Lensing maps from Planck and other ground-based experiments crowd the track with…
Why Feeling Matters More Than Seeing for Robots Robots opening doors, pulling drawers, or twisting knobs might sound like a mundane chore, but it’s a surprisingly complex dance of touch, prediction, and adaptation. At the heart of this challenge is the robot’s ability to understand and manipulate objects that aren’t rigid or fixed — things…
Curves in algebraic geometry are not just lines or loops; they carry a symphony of possible shapes and the ways they can map into simpler spaces. A new mathematical picture helps us see how many distinct voices a general k-gonal curve can sing, and how those voices fit together into a grand choir. The study,…
Imagine a universe where gravity doesn’t just curve space, but also whispers secrets about its deepest workings. In the realm of theoretical physics, a subtle twist on gravity in a three-dimensional universe – a universe with only one spatial dimension plus time – is shedding light on the enigmatic nature of black holes. Researchers at…
Knots Beyond Ropes and Shoelaces Knots are everywhere — in shoelaces, sailing ropes, DNA strands, and even in the fabric of the universe. But mathematicians don’t just tie knots; they unravel their secrets. One of the most fascinating ways to understand knots is through knot invariants, special numbers or polynomials that remain unchanged no matter…