Science and technology of the Han Dynasty
The Han dynasty (206 BCE – 220 CE) of ancient China, divided between the eras of Western Han (206 BCE – 9 CE, when the capital was at Chang'an), Xin dynasty of Wang Mang (r. 9–23 CE), and Ea...
Science and technology of the Han Dynasty - Wikipedia
Constructal Law Explained
Adrian Bejan, professor of materials science and mechanical engineering at Duke University, explains how constructal law underpins the natural organization and flow of everything in nature from rivers...
This will rock your world.
This will rock your world.
World smallest V12 engine
Apparently the builder's name is Yesus Wilder and he only used three materials to build the engine. Stainless steel, aluminum, an...
What's The Real Size Of Africa? How Western States Used Maps To Downplay Size Of Continent
The real size of Africa is much bigger than you think. The size of the continent on world maps has been downplayed in comparison to other parts of the world for hundreds of years.
Smallest Rube Goldberg machine: Seiko sets world record - YouTube
TOKYO, Japan -- Seiko used 1,200 mechanical watch parts—some smaller than one millimeter in size—to construct an incredibly intricate and elegant Rube Goldbe...
A Grand Theory of Wrinkles..
Reis constructed silicone test spheres and sucked air out of them. He noticed that under pressure, some of the spheres formed the dimples he wanted, but some formed squiggly, labyrinthine patterns ins...
Story of a silkworm
educational movie on sericulture for school sudents.
Physicists read scrolls scorched by ancient volcano
X-rays reveal writing on papyrus destroyed by Mount Vesuvius eruption in 79 C.E. The blast of hot air and rain of volcanic ash also reached nearby Herculaneum ..
The Quest to Create the Perfect Map
12 cartographic experiments that changed cartography.
Chinese armour - The Evolution of Chinese Armor 3: Tang Dynasty
Tang Dynasty revised video: http://www.youtube.com/watch?v=wGXk1PhUdYc The beast heads on the armor are believed to be the extra protection against axe and m...
Chinese architecture - Ancient Chinese Architecture
For higher resolution watch http://www.ntdtv.com / to watch more on youtube : http://youtube.com/user/NTDTV choose playlist and then Journey to the East Ar...
Chinese architecture - Video
Tom Carter's best-selling photography book CHINA: Portrait of a People is now available on Amazon.com. http://amzn.com/9889979942 http://www.facebook.com/chi...
Mechanical engineering
CollegeGrad.com - Career Videos, Mechanical Engineering Technicians. Mechanical Engineering Technicians assist mechanical Engineers in designing, developing,...
Chinese architecture
Tom Carter's best-selling photography book CHINA: Portrait of a People is now available on Amazon.com. http://amzn.com/9889979942 http://www.facebook.com/chi...
History of the Han Dynasty
The Han dynasty (206 BCE – 220 CE), founded by the peasant rebel leader Liu Bang (known posthumously as Emperor Gaozu), was the second imperial dynasty of China. It followed the Qin dynasty (221–...
History of the Han Dynasty - Wikipedia
History of paper
Paper was invented in ancient China during the Han Dynasty (206 BC – 220 AD) and spread slowly to the west via the Silk Road. Papermaking and manufacturing in Europe was started by Muslims living on t...
History of paper - Wikipedia
Papyrus
Papyrus /pəˈpaɪrəs/ is a thin paper-like material made from the pith of the papyrus plant, Cyperus papyrus, a wetland sedge that was once abundant in the Sudd of Southern Sudan along with the Nile Del...
Papyrus - Wikipedia
Traditional Chinese bookbinding
Traditional Chinese bookbinding refers to the method of bookbinding that the Chinese (as well as Koreans, Japanese, and Vietnamese) have used before converting to the modern codex form.It is also cal...
Traditional Chinese bookbinding - Wikipedia
Chinese ceramics
Chinese ceramic ware shows a continuous development since the moderndynastic periods and is one of the most significant forms of Chinese art. China is richly endowed with the raw materials needed for...
Chinese ceramics - Wikipedia
History of ferrous metallurgy
Ferrous metallurgy involves processes and alloys based on iron. It began far back in prehistory. The earliest surviving iron artifacts, from the 4th millennium BC in Egypt, were made from meteoritic ...
History of ferrous metallurgy - Wikipedia
Economy of the Han Dynasty
The Han dynasty (206 BC – 220 AD) of ancient China experienced contrasting periods of economic prosperity and decline. It is normally divided into three periods: Northern Han (206 BC – 9 AD)...
Economy of the Han Dynasty - Wikipedia
Agriculture in China
Agriculture is a vital industry in China, employing over 300 million farmers. China ranks first in worldwide farm output, primarily producing rice, wheat, potatoes, tomato, sorghum, peanuts, tea, mill...
Agriculture in China - Wikipedia
Sericulture
Sericulture, or silk farming, is the rearing of silkworms for the production of silk. Although there are several commercial species of silkworms, Bombyx mori is the most widely used and intensively st...
Sericulture - Wikipedia
Government of the Han Dynasty
The Han dynasty (202 BC – 220 AD) of ancient China was the second imperial dynasty of China, following the Qin dynasty (221–206 BC). It was divided into the periods of Former Han (202 BC &...
Government of the Han Dynasty - Wikipedia
Mechanical engineering
Mechanical engineering is the discipline that applies the principles of engineering, physics, and materials science for the design, analysis, manufacturing, and maintenance of mechanical systems. It i...
Mechanical engineering - Wikipedia
Chinese mathematics
Mathematics in China emerged independently by the 11th century BC. The Chinese independently developed very large and negative numbers, decimals, a place value decimal system, a binary system, algebra...
Chinese mathematics - Wikipedia
Chinese astronomy
Astronomy in China has a very long history, with historians indicating that they [the Chinese] were the most persistent and accurate observers of celestial phenomena anywhere in the world before the A...
Chinese astronomy - Wikipedia
Society and culture of the Han Dynasty
The Han dynasty (206 BCE – 220 CE) was a period of ancient China divided by the Western Han (206 BCE – 9 CE) and Eastern Han (25–220 CE) periods, when the capital cities were located...
Society and culture of the Han Dynasty - Wikipedia