China’s first supercomputer capable of 100 million calculations per second was the YH-1,which was independently developed by the Institute of Computer Science at the National University of Defense Technology(NUDT)bet...China’s first supercomputer capable of 100 million calculations per second was the YH-1,which was independently developed by the Institute of Computer Science at the National University of Defense Technology(NUDT)between 1978 and 1983.YH-1 played an important role in China’s national defense construction and national economic development.It made China one of the few countries in the world to successfully develop a supercomputer.Based on original archive documents,interviews with relevant personnel,and an analysis of the technological parameters of the supercomputers YH-1 in China and Cray-1 in the United States,this paper reviews in detail the historic process of the development of YH-1,analyzing its innovation and summarizing the experience and lessons learned from it.This analysis is significant for current military-civilian integration,and the commercialization of university research findings in China.展开更多
In this essay I introduce“Moving Crops and the Scales of History,”an experimental project that proposes a new method for writing global history.Crops are a very special type of human artifact or technological produc...In this essay I introduce“Moving Crops and the Scales of History,”an experimental project that proposes a new method for writing global history.Crops are a very special type of human artifact or technological product:living organisms literally rooted in their environments.Explanation of their historical trajectories therefore offers special challenges and opportunities.Working at the intersection of global history,agricultural history,and the histories of science and technology,“Moving Crops”develops the concept of cropscape to explore the dual nature of crops as rooted and moveable things,reconnecting local and global in history.展开更多
文摘China’s first supercomputer capable of 100 million calculations per second was the YH-1,which was independently developed by the Institute of Computer Science at the National University of Defense Technology(NUDT)between 1978 and 1983.YH-1 played an important role in China’s national defense construction and national economic development.It made China one of the few countries in the world to successfully develop a supercomputer.Based on original archive documents,interviews with relevant personnel,and an analysis of the technological parameters of the supercomputers YH-1 in China and Cray-1 in the United States,this paper reviews in detail the historic process of the development of YH-1,analyzing its innovation and summarizing the experience and lessons learned from it.This analysis is significant for current military-civilian integration,and the commercialization of university research findings in China.
文摘In this essay I introduce“Moving Crops and the Scales of History,”an experimental project that proposes a new method for writing global history.Crops are a very special type of human artifact or technological product:living organisms literally rooted in their environments.Explanation of their historical trajectories therefore offers special challenges and opportunities.Working at the intersection of global history,agricultural history,and the histories of science and technology,“Moving Crops”develops the concept of cropscape to explore the dual nature of crops as rooted and moveable things,reconnecting local and global in history.
