| Description |
1 online resource (255 pages) : illustrations |
| Series |
Bulles de sciences |
|
Collection Bulles de sciences.
|
| Contents |
Préface; Introduction; 1. Le temps des astronomes; 2. Le temps des physiciens; 3. Le temps atomique; 4. Un temps planétaire; 5. Les secondes intercalaires; 6. Le partage du temps; 7. Une heure précise : pour qui pourquoi?; 8. L'avenir du temps; Appendice; Liste des sigles; Index; Table des matières |
| Summary |
For centuries, time was measured by the apparent movement of the Sun, in other words by the rotation of the planet Earth around itself. A few decades ago, physicists redefined a second through the fundamental properties of atoms. How? Whatever for? This work presents the history of this unit of universal time, the second |
| Analysis |
TEMPS |
|
MESURE |
|
HISTOIRE |
|
HORLOGE |
|
ATOMIQUE |
| Notes |
Trad. de: Splitting the second : the story of atomic time. ©2000 |
| Bibliography |
Includes bibliographical references and index |
| Notes |
French |
|
Print version record |
| Subject |
Atomic clocks -- History
|
|
Time measurements.
|
|
SCIENCE -- Time.
|
|
Atomic clocks
|
|
Time measurements
|
| Genre/Form |
History
|
| Form |
Electronic book
|
| ISBN |
9782759802128 |
|
2759802124 |
|
1281728446 |
|
9781281728449 |
|
9786611728441 |
|
6611728449 |
|
