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[살아 있는 인류의 지혜]인도_3#42 인도_3Early Hinduism gained popularity through the epic tales of Ramayana and Mahabharata, highlighting the incarnations of the god Vishnu. These stories, dating back to around 500 BCE, signaled the rise of a dynamic form of Hinduism based on devotion and selfless action. Vishnu, along with Shiva, became central figures in Hindu mythology, overshadowing the creator god Brahma. Vishnu's ten avatars.. 더보기
[전지, 전자의 재료 과학]초산 비닐 수지#1_41 플라스틱 재료과학_1초산 비닐수지 및 폴리 비닐 알코올의 역사 The history of vinyl acetate and polyvinyl alcohol (PVA) began in 1912, with industrialization occurring in the 1930s. PVA was developed through German research, and Japan started large-scale production in the 1950s. Japan currently produces the most PVA globally, and this industry is closely linked to the production of vinylon. Exports of PVA are on the rise, .. 더보기
[살아 있는 인류의 지혜]인도_2#40 인도_2In ancient India, Brahman priests dominated religious rituals, but dissatisfaction led to a rise in ascetics practicing renunciation and self-denial. Key figures like Buddha and Mahavira embraced these practices, aiming for liberation from materialism and the cycle of rebirth. Ascetics sought inner spiritual fire through fasting and meditation rather than traditional sacrifices. Jainism prom.. 더보기
[동양 문학 작품의 이해편]중국_1#39 중국문학의 향기_1Chinese literature, with a history of over 3,000 years, has remained relatively unchanged. Geographically, differences between the northern and southern regions influenced literary themes. Philosophically, Confucianism, Daoism, and Buddhism shaped the internal drive for literary development. Additionally, the logographic nature of the Chinese language influenced literary forms, with po.. 더보기
[살아 있는 인류의 지혜]인도_1#38 인도에 대해서_1Ancient India boasted a sophisticated civilization that began in the early 2000s BCE along the Indus River. This civilization flourished around Harappa and Mohenjo-daro, worshiping various gods. However, about 1,000 years later, the Indus civilization declined as the Aryans conquered northern India. The Aryans established a religion and culture centered around rituals, using the Vedas a.. 더보기
[수소에너지 백과사전을 읽고]청소년 입문서_8#36 청소년 에너지 입문서[수소에너지 백과사전_8]The text provides an explanation of future hydrogen economies and eco-friendly technologies applied to ports and logistics systems. It introduces ports where hydrogen fuel cell-powered ships and trucks operate without emitting carbon dioxide, as well as the use of hydrogen forklifts and drones. California and Pyeongtaek Port are making efforts to transition into such env.. 더보기
[수소에너지 백과사전을 읽고]청소년 입문서_9#37 청소년 에너지 입문서[수소에너지 백과사전_9]South Korea's energy independence and the development of fuel cell technology are closely intertwined. In the past, South Korea faced challenges due to its lack of oil resources, but it is now focusing on renewable energy sources like hydrogen. Hydrogen fuel cells represent an innovative technology that can simultaneously generate electricity and heat, playing a crucial .. 더보기
[스마트팩토리(Smart Factory) : 스마트 제조] 책 보기#35 공학 대학원 강좌용[스마트 제조_13] Cyber-Physical Systems (CPS) are technologies that connect the physical and cyber worlds to automatically solve problems. By using the core technology of 'sensing,' CPS collects and analyzes real-world data to address issues and is applied in various fields. It is particularly used in factory operations to optimize machine placement and production flow, and virtual factorie.. 더보기

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