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Mission › Honesty & Transparency
Honesty & Transparency

Measurement Language Discipline

Kronos reserves measurement verbs for measurements; a value from a solver is computed, predicted, or targeted — never measured, achieved, or demonstrated.

Verbs carry evidence

The verb attached to a number tells the reader what kind of evidence stands behind it. 'Measured', 'achieved', 'demonstrated', 'observed' claim that hardware produced the value. 'Computed', 'predicted', 'simulated', 'targeted', 'designed for' claim that a model produced it. Kronos keeps these vocabularies separate, and checks pages for slips.

VerbLegitimate for
measured / observedhardware data only
achieved / demonstrateda real machine result
predicted / simulateda model output
targeted / designed fora design goal

The mechanical check

This is not left to good intentions. Our build process scans page text for achievement verbs attached to design values and flags them. A sentence that says the breeder 'achieves Q_sci 3.424' fails the check; 'is designed for Q_sci 3.424' passes. Automating the discipline means it holds even when a human writer is in a hurry.

Achieved on hardwarenot yet — no machine builtQ_engineering (net electric)design target onlyQ_scientific = 3.424 (breeder)simulated design pointPhysics model verifiedreproducible, published

It sounds pedantic until you notice how much of fusion's credibility problem comes from a single wrong verb — a simulation described with an achievement word, repeated until everyone forgets it was a simulation. Guarding the verbs guards the truth.

Content reviewed August 2026 · design-and-simulation stage