International System of Units (SI) with new definitions
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Handbook on the International System of Units (SI) published
The International Bureau of Weights and Measures (BIPM) has published a new handbook on the International System of Units (SI), which includes new definitions of the basic SI units.
The manual is available for download here (available in Czech language only) (PDF 2000 kB).
For news on units of measurement, please visit BIPM.