常常在小说等虚幻世界里出现的隐身衣,将有可能出现在我们的现实世界里。美国加州大学伯克利分校两个研究小组分别发明了两种可改变光的方向的材料,向人类“隐身衣”的研制迈出了突破性的一步。在加州大学伯克利分校的纳米科学技术中心华裔 Often hidden in unreal worlds such as novels, cloaks will likely appear in our real world. Two research groups at the University of California, Berkeley, have invented two materials that can change the direction of light, respectively. They have taken a radical step toward the development of human invisibility. Chinese at the Nanotechnology Center at the University of California, Berkeley