The most general definition of technology is the application of science or knowledge to commerce and industry. Many fields of science have benefited from technology, as well as commerce and industry over the many centuries of human history. Perhaps the earliest known use of technology was in the Stone Age when the first knife or shovel was made from a piece of stone or obsidian(n. 【礦】黑曜石) . Technology has obviously come a long way since then. The development and technology has become a very important part of people’s lives. During the past few years, technology has grown in many ways and is probably better than ever before. People are always trying to find something new that will improve their lives dramatically.
Technology, the application of science, is not limited to only physical applications and physical tools. Benefits can be achieved through the application of new methods of thinking or new insights into the general knowledge base. The one of the biggest applications of this type is computers and the Internet. While computers are tangible (a. 可觸知的; 有形的) items, their ability to perform basic thinking processes much faster enables business and commerce to proceed much more efficiently. The Internet has no tangible component(n.零部件；元件) and yet it has changed the life of virtually every person on the planet. Information is available to anyone with access in the matter of (=several) moments and is up to date(adj. 最新的) and provides real time information about events around the world. Even communication has been revolutionized by the Internet. Not only can letters be sent through the Internet, but pictures, audio and video information can also be sent as well.
Technology provides an understanding, and an appreciation for the world around us. Most modern technological processes produce unwanted by products in addition to the desired products, which is known as...