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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Les télécommunications au premier millénaire av. J.-C. au Levant / Telecommunications during the first millennium BCE in the Near East

Leibovici, Jacques 16 November 2010 (has links)
La survie d’un État dépend de la capacité de ses dirigeants à être informés et à communiquer leurs décisions, puis de contrôler leur exécution. L’information dans l’Antiquité circulait par courrier mais aussi par transmissions de signaux sonores et/ou lumineux. Après une étude documentaire des récits attestant la transmission d’informations par signaux lumineux et sonores au Levant au premier millénaire av. J.-C., nous avons démontré que les logiciels utilisés pour la conception des réseaux actuels de télécommunications peuvent suggérer des sites relais utilisés pour cette transmission. Les limites techniques des moyens de l’époque sont des paramètres déterminants. Nous en avons déduit des modèles de réseaux. Enfin ces hypothèses ont été validées sur le terrain. / The survival of a State depends on the capacity of its leaders to be informed and on their successes to communicate their decisions, then to control their executions. The information in the ancient times circulated by mail, but also by transmissions of sound and/or light signals.After a documentary survey of stories attesting the transmission of informations by light and sound signals in the Near East during the first millennium BCE, we tried to see if the software used for telecommunications networks design and planning can hint repeater sites used for this transmission. The limitations of the technology at that time will determine parameters. Models of networks have been deducted. Finally these hypotheses have been validated on the ground.
2

Illuminating the Late Mesolithic: residue analysis of 'blubber' lamps from Northern Europe

Heron, Carl P., Andersen, S.H., Fischer, Anders, Glykou, A., Hartz, S., Saul, H., Steele, Valerie J., Craig, O.E. January 2013 (has links)
No / Shallow oval bowls used on the Baltic coast in the Mesolithic have been suggested as oil lamps, burning animal fat. Here researchers confirm the use of four coastal examples as lamps burning blubber-the fat of marine animals, while an inland example burned fat from terrestrial mammals or freshwater aquatics-perhaps eels. The authors use a combination of lipid biomarker and bulk and single-compound carbon isotope analysis to indicate the origin of the residues in these vessels.

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