"Version: 20180401"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. Days, months and years -- 1.1. A first discourse on measurement, units and precision -- 1.2. What we see in the sky--stars, planets, Sun and Moon -- 1.3. What the solar system looks like -- 1.4. What a day makes -- 1.5. Discovering the l…
"Version: 20180901"--Title page verso.Includes bibliographical references.1. Standards of physical quantities -- 1.1. Introduction -- 1.2. The time and frequency standard -- 1.3. The length standard -- 1.4. The mass standard -- 1.5. From macro to micro2. Historical role of precision measurements of time and frequency for the development of physics -- 2.1. Introduction -- 2.2. Change from Ptolem…