I think the most important modern invention is the I With the Internet, we can do many For example, we can shop, learn knowledge, listen to music, and watch movies The Internet makes the world We can meet and talk to friends and relatives far away without spending a lot of We can also post our blogs online so our friends can know what we are doing by visiting our websites like QQ S Internet makes our life more exciting and
The meaning and characteristics of the invention Invention is different from the scientific discoveries, inventions mainly created in the past is not something found primarily reveal the existence and properties of the Invention is novel and technological achievements, not merely objects of imitation or duplication of existing programs and previous measures have been A technical achievement, and if the existing technology system can be found in the principle, structure and function of the same things, you can not be called Invention not only to provide an unprecedented thing, but also to provide more advanced technology than ever before, something that, in principle, structure, especially functional benefit is better than existing Always have both inherited the invention to create, in general, have advanced Invention must have a value of innovation, it has a clear purpose, a new and advanced Invention not only reflect the properties of external things, structures and laws, but also reflect their own Inventors create new products, new technology before the press in the concept of functional requirements in the design of prefabricated objects, and in the process of the invention by continuously optimizing the function of targets to improve its Invention but also different from the actual reality of production and engineering technology or on-site Invention have application prospects and possible applications of the technology programs and measures, an invention can be used in the production process or construction activities, but also on whether it can be incorporated into existing systems or cause existing systems of innovation, and funds, equipment, manpower, materials, management and marketing aspects of the With the invention, not necessarily have a corresponding product or process, may not be able to solve the actual production and engineering Only the invention into product development, process testing, into technological innovation, pilot production, production and application, in order to become Technological innovation, many from Europe and America, these inventions,
The sport originated in the United States, and is now just achieving the type of popularity in the US that it has received on a global basis, where it ranks behind only soccer among participation Today there are more than 46 million Americans who play There are 800 million players worldwide who play Volleyball at least once a In 1895, William G Morgan, an instructor at the Young Men's Christian Association (YMCA) in Holyoke, M, decided to blend elements of basketball, baseball, tennis, and handball to create a game for his classes of businessmen which would demand less physical contact than He created the game of Volleyball (at that time called mintonette) Morgan borrowed the net from tennis, and raised it 6 feet 6 inches above the floor, just above the average man’s During a demonstration game, someone remarked to Morgan that the players seemed to be volleying the ball back and forth over the net, and perhaps "volleyball" would be a more descriptive name for the 排球历史 1892年在美国马萨诸塞州,耐史密斯博士挂起了两个篮筐从而发明了篮球,而摩根在观察了他的朋友的新发明之后想,对于那些已过中年的商人来讲篮球运动也许过于激烈了一些。因此,四年之后,摩根发明了自己的运动项目。又过了一个世纪,他的发明——排球同篮球一道成为了奥运会上速度最快、对抗性最强的比赛项目之一。 摩根最初给他的发明起的名字是“mintonette”,当地的一位教授很快将其定义为一种把球击过球网的游戏,于是,它最初的名字也就发生了改变。