# mechanics

Rows: 1. Files: mechanics.csv, mechanics.json (same rows).
Unit: per row, see the unit column.

Columns:
- value: measured value
- sigma: 1-sigma uncertainty, same unit
- source: publication (authors, journal, volume, page)
- year: year of publication
- field: field of measurement
- id: row id used on the Experiments page
- unit: unit of value and sigma
- quantity: what is measured
- grade: source grade (primary, secondary, recalled) and any published bound
- bound_low: lower end of a published bound, if the result is a bound
- bound_high: upper end of that bound
- recalled: yes: number taken from a secondary source, scored but not carried

Notes from the record:

Source of the data: the publications in the source column.

Licence: Values are numerical results quoted from the cited publications; the publications themselves remain under their publishers' copyright and licences, and the numbers are reproduced here for scholarly citation, each with its source. This compilation (the selection, the columns and the notes): licence to be set by the author; CC BY 4.0 proposed.

sha256 of mechanics.csv: cb81b0ac49a7137d227bd614b46485212244671832f4f611a33720cfb44f3f5b
Record file last written: 2026-11-07 19:45:40 IST.