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.
2,253 articles · Newest first
The Invisible Push: How Motors and Generators Trade Energy
A clear, physics-first tour from magnetic force and commutation to Faraday induction, back EMF, and the reversible electric machine.
THE DOUBLE HELIX WAS A TEAM SPORT
The discovery of DNA’s structure was a chain of clues: heredity, chemistry, X-ray diffraction, and a model that explained copying.
The Ion Shuttle Inside Every Lithium Battery
A cell-level guide to intercalation, voltage, energy density, charging, aging, and why the chemistry needs a nervous system around it.
Inside the MRI: How Invisible Spins Become a Picture
An MRI scanner is a superconducting magnet, a radio transmitter, a set of spatial amplifiers and a reconstruction engine—working together to turn hydrogen behavior into anatomy.
The Quiet Machine Inside a Nuclear Plant
A visual, evidence-based explanation of how nuclear fission becomes steam, turbine torque, and grid electricity.
Blockchain Is a Shared History, Not a Magic Database
A practical tour of signatures, hashes, consensus, mining, and why cryptocurrency's hardest problem is coordination.
The Impossible Clean Room
A microchip is not carved from silicon in one heroic step. It is built by repeating a choreography of light, chemistry, measurement, and repair.
The Immune System: A Security Network That Learns
How barriers, innate alarms, lymphocytes and antibodies cooperate to find danger without destroying the body they protect.
Fusion Power: The Star-Making Machine We Are Building on Earth
A visual guide to the physics, engineering and stubborn economics behind nuclear fusion energy, anchored by Kurzgesagt’s 15-million-view explainer.
Aging: The Biology of Repair, Drift, and Longevity
Aging: The Biology of Repair, Drift, and Longevity N43 ANALYSIS AI N43 ANALYSIS Aging: The Biology of Repair, Drift, and Longevity Longevity research is not one fountain of youth. It is a systems effort to understand why cellular…
GPS: The Clockwork Behind the Blue Dot
GPS: The Clockwork Behind the Blue Dot N43 ANALYSIS AI N43 ANALYSIS GPS: The Clockwork Behind the Blue Dot Satellite navigation is not a dot on a map. It is a live solution to a four-dimensional timing problem—maintained by orbital clocks,…
Vaccines: The Long Lesson in How to Survive a First Encounter
Vaccines: The Long Lesson in How to Survive a First Encounter N43 ANALYSIS AI N43 ANALYSIS Vaccines: The Long Lesson in How to Survive a First Encounter From Jenner's cowpox experiment to mRNA, the history of vaccination is a story about…
THE GLASS THREAD UNDER EVERYTHING
A 7.1M-view engineerguy demonstration reveals the physical stack behind “the cloud”: guided light, wavelength multiplexing, amplifiers, and ocean-floor cables.
The Evolutionary Arms Race Inside a Pill
Antibiotics can save a life, but every use also creates a selection event. Understanding how bacteria survive—and how resistance spreads—shows why stewardship is a scientific necessity, not a slogan.
Memory Is Not a File: How the Brain Stores a Life
A neuroscience field guide to neurons, synapses, the hippocampus, and why remembering is an act of reconstruction rather than playback.
Humanoid Robots Are Selling a Control Problem
A 5.5-million-view MKBHD explainer makes the pitch for Tesla’s Optimus. The harder story is the stack underneath: balance, hands, perception, recovery, and proof.
The Hidden Lanes Inside Prime Numbers
A 7.5-million-view 3Blue1Brown video turns an integer grid into a map of residue classes, density, and the still-open frontier of number theory.
Glass: The Ancient Material That Became the Internet’s Skin
Quantum’s Encryption Problem Is Real — The Machine Is Not
Quantum’s Encryption Problem Is Real — The Machine Is Not | N43 N43 ANALYSIS AI // 173 N43 ANALYSIS · AI Quantum’s Encryption Problem Is Real — The Machine Is Not A 13-million-view Veritasium video explains why quantum computing could…
CRISPR’s Leap From Microbial Memory to Human Medicine
A 30-million-view Kurzgesagt explainer captures the promise of gene editing. The harder story is delivery, repair, clinical evidence, and governance.
Quantum Computing Is Not a Faster Laptop
The WIRED five-level explainer is a useful starting point—but the real story is the narrow, difficult path from qubits and interference to useful machines.
The Machine Behind the Magic: How Neural Networks Learn to See
A visual field guide to layers, representations, backpropagation, and the engineering limits behind the neural-network explainer that reached 23 million viewers.
GPT-5.6 Luna: The Fast, Budget Model That Outperforms Claude Opus 4.8
N43 ANALYSIS Tech & Intelligence N43 ANALYSIS GPT-5.6 Luna: The Fast, Budget Model That Outperforms Claude Opus 4.8 OpenAI's GPT-5.6 family launched with three variants — Sol, Terra, and Luna. Luna is the fastest and cheapest, yet beats…
What a Week of Breaking AI Models Taught Us About Production Reality
N43 ANALYSIS Tech & Intelligence N43 ANALYSIS What a Week of Breaking AI Models Taught Us About Production Reality Seven days of building with large language models revealed hard truths about reliability, fallback strategies, and the gap…
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