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1 dzień temu · A cross section of the shore-end of a modern submarine communications cable. 1 – Polyethylene 2 – Mylar tape 3 – Stranded steel wires 4 – Aluminium water barrier 5 – Polycarbonate 6 – Copper or aluminium tube 7 – Petroleum jelly 8 – Optical fibers Submarine cables are laid using special cable layer ships, such as the modern René Descartes [], operated by Orange Marine.
6 godz. temu · A honey bee (also spelled honeybee) is a eusocial flying insect within the genus Apis of the bee clade, all native to mainland Afro-Eurasia. After bees spread naturally throughout Africa and Eurasia, humans became responsible for the current cosmopolitan distribution of honey bees, introducing multiple subspecies into South America (early 16th century), North America (early 17th century), and ...
6 godz. temu · Anti-Chinese sentiment in Korea was created in the 21st century by cultural and historical claims of China and a sense of security crisis caused by China's economic growth. [28] [29] In the early 2000s, China's claim over the history of Goguryeo, an ancient Korean kingdom, caused tensions between both Koreas and China.
6 godz. temu · Approach to Energy Anthropology. I approach energy anthropology as a scholar-practitioner, applying anthropological theory in practice and using practitioner experience to expand anthropological perspectives on critical issues (Wasson, Butler, and Copeland-Carson 2012b).My aim is to trace the development of thinking about energy within the discipline of anthropology, to seek explanations for ...
