Title Combien dure une seconde? : la saga des horloges atomiques / Tony Jones ; traduit de l'anglais par Alain Milsztajn ; préface d'Alain Milsztajn.

Publication Info.	Les Ulis : EDP Sciences, [2003]
	©2003

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Description	1 online resource (255 pages) : illustrations.
Physical Medium	polychrome
Description	text file
Series	Bulles de sciences
	Collection Bulles de sciences.
Note	Trad. de: Splitting the second : the story of atomic time. c2000.
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.
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.
Local Note	eBooks on EBSCOhost EBSCO eBook Subscription Academic Collection - North America
Subject	Atomic clocks -- History.
	Atomic clocks.
	History.
	Time measurements.
	Time measurements.
Indexed Term	TEMPS
	MESURE
	HISTOIRE
	HORLOGE
	ATOMIQUE
Genre/Form	Electronic books.
	History.
Added Title	Splitting the second. Français
Other Form:	Print version: Jones, Tony, 1955- Splitting the second. Français. Combien dure une seconde?. Les Ulis : EDP Sciences, ©2003 2868836283 9782868836281 (OCoLC)154116307
ISBN	9782759802128 (electronic book)
	2759802124 (electronic book)