What is mechanical engineering in ancient China? 簡單機械是一切複雜而重大機械的基本要素。任何複雜的機械都是由幾種簡單機械組成。從力學意義上說,簡單機械有四種:槓桿、滑輪、斜面與螺旋。 Mechanical Engineering in Ancient China
The Compass and Ancient Sailing The “south-pointing needle” is a magnetic pointing device. When combined with directional markings, it forms a compass. The invention of the compass had a decisive effect on the development of human civilization. The Compass and Ancient Sailing
Mechanical Engineering in Ancient China Machines in ancient China included the following eight categories: simple, vehicle and animal-drawn, hydraulic, wind-powered, weaponry and thermal, time keeping, earthquake detection and automated, and flying machines. Mechanical Engineering in Ancient China
古代中國如何探索飛行? 人們發明創造的種種飛行機械,都為人類實現自由飛翔作出了先驅性探討,也奠定了人類飛行機械的諸多經驗基礎。 Mechanical Engineering in Ancient China
古代也有自動機械嗎? 候風地動儀是東漢科學家張衡於公元132年發明。大家公認這是世界上最早關於地震儀的文字記載,用它可以測定震源的方位。 Mechanical Engineering in Ancient China
古人如何計時? 古代中國人發明的計時機械是古代最為複雜的科學機械。它的特點是既與觀察天象結合,又能報告時刻更數,故此又稱其為天文鐘。 Mechanical Engineering in Ancient China
古代有哪些先進的武器? 中國古代武器種類繁多,較有機械意義的武器如弓弩、炮車為數不多。炮車原是發射石塊的武器,自從火藥發明之後,砲字就寫為「炮」了。 Mechanical Engineering in Ancient China
哪些機械離不開水? 水力機械大致有三種含義:一、將水位升高的機械,如農田中常見的刮車、筒車、龍骨水車等;二、利用水流能量來作功的機械,如水磨、水碓、水排等;三、利用水的浮力或壓差以達到某種功用的機械。 Mechanical Engineering in Ancient China
中國古代有哪些車? 古人或因受到滾動圓木、紡輪、陶輪和玉質圓形物滾動的啟發,約在公元前2000年,中國出現了原始的車。 Mechanical Engineering in Ancient China 指南針
Physics in Ancient China “The innate laws of things,” physics, are, as the ancients said, “the hows and whys of things.” Knowledge of them was highly valued by the great scholars and renowned officials in the past. Physics in Ancient China