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Tricking our sense of vision to see something that is not there has become easy
欺骗你的眼睛不是件难事，
with sophisticated computer software and virtual reality googles.
通过复杂的电脑软件和虚拟现实眼镜即可。
Playing with our sense of touch is a bit harder, as virtual reality gloves cannot simulate force.
但利用触觉就要难一些，虚拟现实手套无法模拟力度。
But, what if the virtual reality was created with small flying drones you could actually see and touch?
但如果虚拟现实是小型无人机生成的呢？你可以看到和触摸这些飞行器。
We can have them operate under friction where you shove a drone and then it slows down until it comes to a halt.
你可以让它们在摩擦力的作用下运行，用力推无人机，它会减慢速度直到停止。
Similar to the virtual reality images created from millions of pixels,
它和数百万像素的虚拟现实图像类似，
a physical virtual reality could be created with swarms of tiny drones hovering in space.
实体虚拟现实也可以由飞行的无人机生成。
A computer program could assemble them to reproduce any object.
计算机程序可以将它们整合起来重新制作物体。
Imagine that the stuff would just pop out of the middle of nowhere
想象一下，物体可以凭空出现，
and you'd be able to interact with it as if it was a real object, that's really our goal.
你可以和看似真实物体接触，这就是我们的目标。
The drones could represent shapes, video displays, touch-sensitive panels or any other element of the physical world.
飞行器可以代表模型，显示器，可触摸板或者是物质世界的其它东西。
They could be re-positioned by the person immersed into the physical virtual reality
进入到实体虚拟现实世界中的人可以将飞行器进行再定位，
or by the computer monitoring them through sensors on the ceiling.
或通过监控飞行器的电脑，利用天花板上的传感器再定位。
Scientists say this could create the sensation that we are interacting with a real world.
科学家称让人们感觉到我们与真实世界进行了互动。
So we could take apart an engine, we could put back together an engine again and show this for real,
我们可以拆卸引擎，然后再重装引擎，这些是真实存在的，
and even then track, if the person is putting the engine back together again
我们甚至可以跟踪，如果我们重装引擎，
using his hands and touching the 3D pixels, we could track whether he's doing it right.
利用他的手，触摸三维像素，我们可以跟踪他做得是否正确。
Researchers say that with advances in nanotechnology,
研究人员称随着纳米技术的发展，
drones smaller than one millimeter will make it possible to build physical virtual objects, from human organs to buildings.
小于一毫米的飞行器可以让制作实体虚拟物质变为可能，从人类器官到建筑物。
George Putic VOA news, Washington.
VOA新闻，乔治·普提克华盛顿报道。
