最近,日本科学家在高透明、高强度聚碳酸酯片上,蒸镀一层极薄的铝膜后制成一种“隐身”百页窗帘。这种窗帘,除具备通常的功能外,最大特点是从窗外看不见室内,而屋里的人却能看清外面的情况。“隐身”百页帘的道理其实很简单。几乎每人都经历过,晚间只要关掉灯就很容易从室内看到呈外的情景,而从室外朝室内探视却难以看清。这就是常说的一个在暗处、一 Recently, Japanese scientists have made a kind of “stealth” blind curtain by depositing a thin aluminum film on a highly transparent and high-strength polycarbonate sheet. This type of curtain, in addition to its usual functions, is characterized by the invisible room from outside the window, while the people in the room can see the outside. The truth of “hidden” blinds is actually very simple. Almost everyone has experienced it. If you turn off the lights at night, you can easily see the scene from the inside, and it is difficult to see from the outside to the interior. This is often said in a dark place, a