Cloaking devices that enable objects to vanish into thin air are currently just the fictional stuff of Harry Potter movies, but a physics professor in New York at the University of Rochester says they could one day become reality. John C. Howell, Ph.D., published a paper in June that examines three types of simple cloaking devices that he has built. He contends that these types could lead to technology capable of hiding anything from a small object to an orbiting satellite. The devices were constructed and demonstrated with help from his teenage son, J. Benjamin, and they rely on respectively water-filled tanks, lenses, and mirrors to guide light around a stationary object.
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机译：使物体能够消失在空中的隐形装置目前只是哈利·波特电影的虚构内容，但罗切斯特大学纽约物理学教授表示，它们有一天可能成为现实。约翰·霍维尔（John C. Howell）博士于6月发表了一篇论文，研究了他制造的三种简单的隐身装置。他认为，这些类型可能会导致能够隐藏从小物体到轨道卫星的任何事物的技术。这些装置是在他十几岁的儿子本杰明（J. Benjamin）的帮助下制造和展示的，它们分别依靠装满水的水箱，透镜和镜子在固定的物体周围引导光。
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