AIHow AI Works

Category: Featured

Seven Chokepoints in the AI Chip Supply Chain

A walk down the chain behind one AI accelerator — design tools, foundry, scanner, memory, packaging, software, power — and why each link has no second source.

Antirez: Control the Ideas, Not the Code

Redis creator antirez says reading AI-generated code line by line wastes a programmer's day. What he proposes instead, and where the argument holds.

Google’s SensorFM: A Foundation Model for Wearable Health Data

Google Research introduces SensorFM, a foundation model trained on a trillion minutes of wearable sensor data from 5 million people to predict health outcomes.

How to Tell If a Photo, Video or Text Is AI-Generated

Detectors are unreliable and getting worse. How AI-content detection really works, which tools actually check a file, and the labeling laws now in force.

From Token to Transistor: What Happens When You Send a Prompt

Follow one prompt through the machine — tokens, matrix multiplications, the memory that everything waits on, and the chips built around a single operation.

Meta Launches Muse Spark 1.1, Its First Paid AI Model

Meta released Muse Spark 1.1, a multimodal agentic model with a 1M-token context window, priced at $1.25/$4.25 per million tokens via a new public API.

A Business Book as Slash Commands: Sahil Lavingia’s Claude Skills

Sahil Lavingia turned The Minimalist Entrepreneur into 10 Claude Code skills. What is inside the 9.5K-star repo, how to install it, and what it cannot do.

Sakana AI’s Smart Cellular Bricks Recognize Their Own Shape

Sakana AI, ITU Copenhagen and Autodesk built ~200 cubic bricks that figure out what shape they form — with no central controller and no position data.

Training vs Inference: Two Economies, Two Opposite Bottlenecks

Training is network-bound and paid once. Serving is memory-bound and paid forever. The crossover point, and why the 2024 chip-demand call was backwards.

What One AI Query Costs: Tokens, Bytes, Joules, Cents

One question, one model, one machine — costed end to end. Then four dials that move the same answer by more than 10,000x.