Virtual reality
虚拟现实
Read this online article about the development of a new technology called virtual reality.
读这篇有关名叫《虚拟现实》的新科技发展的网络文章。
Only 50 years ago, computers were bigger than people.
只是在50年前，电脑的体形比人大。
Today, people can carry their laptops with them anywhere they go.
现在，人们能随身带着笔记本去各个地方。
Soon, we may be able to step inside a computer world thanks to the magic of virtual reality.
不久，由于虚拟现实技术的魔力，我们将有可能走进计算机的世界。
What is virtual reality, or VR?
什么是虚拟现实？
If something is virtual, then it is created by computer technology and appears as if it were real.
如果某样东西是虚拟的，那么电脑技术创造出此物，就像真的一样。
Virtual reality is a computer system with a special headset.
虚拟现实是一种设有特殊头戴式语音影像装置的电脑系统。
When you put on the headset, you look at two tiny television screens.
当你戴上这个头戴式语音影像装置，就会看见两个小电视屏幕。
They are so close to your eyes that your mind will see the image as one picture, and you will believe that you have entered a different world.
它们离你的眼睛非常近，结果呈现在你脑海里的图像在一个画面上，从而使你觉得已经进入了另一个世界。
In many systems, you also wear a special data glove.
在很多系统内，你还要戴上特殊的数据手套。
With this glove you can reach out and touch things in the artificial world.
戴着这种手套，你就可以伸手去触摸虚拟世界中的事物。
The first VR games, already sold round the world, enable you to drive a sports car, fly a plane, or fight an enemy.
第一个虚拟现实游戏已在全世界销售，能使你开跑车，驾驶飞机或和敌人搏斗。
In the future, it may be difficult to distinguish the virtual world of the games from the real world outside.
在未来，也许很难区分游戏中的虚拟世界和外面的真实世界。