Article archive
Published news and blog articles, organized by category. Browse older coverage by month or search for a topic. Undated blog guides appear after dated news.
9,808 articles · Newest first
VQE Explained: Find Ground-State Energy with Qiskit
A practical tour of Hamiltonians, ansätze, estimators, and classical optimization—with an executable two-qubit example.
Grover’s Search Algorithm: A Qiskit Code Walkthrough
Build a two-qubit oracle, diffuser, and measurement loop—and understand where the famous quadratic speedup does and does not apply.
How Satellite Internet Works: The Starlink Stack
Starlink is not simply Wi-Fi beamed down from space. It is a moving network of phased-array terminals, low-orbit satellites, gateways, optical links, routing software, and a very large launch cadence.
The International Space Station: 25 Years in Orbit
A permanently occupied laboratory assembled piece by piece in low Earth orbit became the world’s most visible experiment in cooperation, maintenance, and life away from gravity.
The Voyager Probes and the First Miles of Interstellar Space
Two 1977 spacecraft turned a rare planetary alignment into a half-century experiment: measuring the edge of the Sun’s influence while carrying a message from Earth into the dark.
Shor’s Algorithm: How Quantum Computers Could Break RSA
RSA depends on factoring being hard for classical machines. Shor’s algorithm reframes factoring as period finding, then uses quantum interference to make the hidden rhythm measurable.
How Quantum Error Correction Works: Building a Stable Logical Qubit
Quantum computers cannot copy an unknown state, so they protect information indirectly: entangle many physical qubits, measure error syndromes, and decode without reading the logical qubit.
Quantum Entanglement and Bell’s Theorem: When Correlations Beat Classical Reality
Bell’s theorem turns “spooky action” into a testable boundary: quantum correlations violate every local hidden-variable model, yet still cannot send a faster-than-light message.
Federated Learning: Privacy Without a Data Warehouse
Federated Learning: Privacy Without a Data Warehouse · N43 N43 ANALYSIS AI · RESEARCH VIDEO N43 ANALYSIS · AI Federated Learning: Privacy Without a Data Warehouse A 52K-view IBM Technology episode explains how phones, hospitals, and edge…
Inside the Black Box: Mechanistic Interpretability
Inside the Black Box: Mechanistic Interpretability · N43 N43 ANALYSIS AI · RESEARCH VIDEO N43 ANALYSIS · AI Inside the Black Box: Mechanistic Interpretability A 291K-view Welch Labs episode asks what neural networks are really doing—and…
How AlphaFold Solved Protein Folding
How AlphaFold Solved Protein Folding · N43 N43 ANALYSIS AI · RESEARCH VIDEO N43 ANALYSIS · AI How AlphaFold Solved Protein Folding A 10M-view Veritasium film follows the protein-folding problem from impossible search space to AlphaFold’s…
How AI Sees Images: From Pixels to Concepts
How AI Sees Images: From Pixels to Concepts · N43 N43 ANALYSIS AI · RESEARCH VIDEO N43 ANALYSIS · AI How AI Sees Images: From Pixels to Concepts A 365K-view Computerphile episode on CLIP opens the black box of computer vision: how arrays…
The Promise of Small Language Models
Why capable models that run close to the user could make AI faster, more private, cheaper, and more specialized.
How Recommendation Algorithms Work
The hidden pipeline behind your feed: signals, embeddings, candidate retrieval, ranking, and the feedback loops that shape attention.
The Hayflick Limit and Cellular Senescence
Why normal cells stop dividing, how telomeres and stress trigger senescence, and what the science really says about longevity.
Autophagy: How Your Cells Eat Themselves to Stay Alive
The Nobel Prize-winning process of cellular self-cannibalism clears damaged proteins and organelles, protects against neurodegeneration and cancer, and links fasting to longevity at the molecular level.
Mitochondria and Aging: The Power Plants That Run Down
Inside every cell, microscopic energy generators produce the ATP that keeps us alive — and the reactive oxygen species that slowly wear us out. The decline of these organelles is one of the deepest roots of aging.
Epigenetic Clocks: How Old Is Your DNA?
DNA methylation patterns reveal a biological age that can diverge sharply from the birthday count — and the gap predicts mortality, disease, and the pace at which we decline.
Stem Cells and Regenerative Medicine
Stem cells are not a magic repair kit. They are a family of cells with different powers, risks, and clinical evidence—and regenerative medicine succeeds when biology meets careful delivery.
Caloric Restriction and Lifespan Extension
Calorie restriction is a powerful longevity hypothesis—but human evidence points to a narrower claim: improved health markers are more established than a guaranteed longer life.
How Calculus Shapes the Modern World
Calculus is the quiet operating system beneath motion, signals, optimization, and prediction—from orbital navigation to the models that make modern engineering possible.
Chaos Theory and the Butterfly Effect
Why a deterministic system can remain unpredictable, how Lorenz found it in a weather model, and what the mathematics says about prediction.
Parabiosis and the Young-Blood Problem
A stitched-together mouse pair changed how researchers think about aging—but the laboratory result is much narrower than the fountain-of-youth headline.
Metformin and the Anti-Aging Question
An old diabetes drug has become a longevity hypothesis. Here is what the animal models, human evidence, and TAME trial can—and cannot—support.
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