Index

All articles

Fifteen long reads, grouped into six subjects.

Each group opens with the piece that sets up the mechanism the rest of it relies on, so start there when a subject is new to you. If you would rather do something than read about it, the tools are the other way in.

AI

The useful question about any of these systems is a narrow one: what job is it doing while it answers? A model predicts text. An agent wraps that in tools, memory and a loop. Neither is thinking in the way the marketing implies, and both fail in ways you can anticipate once the mechanism is clear. This section stays on mechanism and failure modes. It does not review products or follow weekly releases. The third piece turns to what other people make with these tools: how to tell a photo, video or voice was generated, and what to do first when one of them asks you for money.

Space

Three different things routinely get reported as one: announced, in build, and flown. Years and a great deal of money sit between them, and a headline usually describes only the first. What this section does is put a story back in the bucket it belongs to, then follow the cost structure to see how much longer the list of people who can reach orbit has actually become.

Energy

Almost every good headline in energy comes out of a laboratory, and between a laboratory result and something you can buy sit three gates: scale, yield and cost. The habit worth building is to ask which gate an announcement has actually cleared before deciding how excited to be. Fusion and solid-state batteries are the two clearest cases right now, one stuck in engineering and one stuck on the line.

Biomed

Coverage in this field routinely collapses two different claims into one: what a platform is capable of, and what a specific therapy has been shown to do. The first is potential; the second has to be earned disease by disease in the clinic. So this section stays on mechanism and limits. It assesses no product, and nothing here is medical advice; that conversation belongs with your doctor.

Chips

In computing coverage, the most valuable sentence is usually the one about limits. Quantum machines do hold a genuine advantage on a short list of problems, and nothing on that list resembles the work your laptop does. This section draws that boundary first, then follows it into the encryption question, where most of the alarming claims turn out to describe a machine nobody has built yet. The third piece comes back to the ordinary chip in your phone and explains what a 3nm or 2nm label actually refers to.

Crypto

Nothing in this section is about what to buy or when. It answers one question instead: when several parties do not trust each other and still need a record none of them can quietly edit, does this technology help? Most of the time the honest answer is that a normal database would be cheaper and faster. The last piece walks the smallest possible flow, so the abstractions turn into something you have actually done.

Five of these judgement methods are built into something you can use on the spot, over in Tools: a news check, an AI-answer check, a three-question crypto check, plus a fee calculator and a withdrawal network picker.