As the scientists explain, moving objects with light can be done using the photophoresis effect in air and other gases.
这些科学家解释说，利用空气和其他气体中的光脉现象可以实现用光移动物体。
But instead of moving the wire to bring those domains under the heads, in the way that a spinning hard disk would, his device moves the domains themselves along the wire, using an electric current.
然而，(帕金博士的这一新技术)不似传统硬盘技术转动硬盘盘片那样移动磁头下的电线，而是使用一股电流推动这些“域”沿着电线移动。
It is an ancient form of storytelling and entertainment using opaque figures in front of an illuminated backdrop to create the illusion of moving images.
这是一种古老的表演艺术，用不透光的剪影形象在一个照亮的背景布上形成投影，用来表演一个故事。
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