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双语 | “隐身衣”将成为现实?中国科学院院士展示“隐身术”
颁布功夫:2024-07-03 15:37:40 | 浏览次数:

10月28日,在“bilibili超等科学晚”活动上,中国科学院院士褚君浩分享了一项令人惊叹的科学发现——利用特殊资料实现“隐身术”。

褚君浩院士请工作人员手持一块面板,起初透过面板还可看到人物的下半身。


而将这块资料旋转90°之后,褚君浩院士的下半身“隐没不见了”,但可能明显地看到人物身后的舞台场景。


褚君浩院士暗示:“未来哈利·波特的隐形大氅将裁缝柜里的日常用品。”

In the future, everybody will have a Harry Potter invisibility cloak in the closet, said Chu Junhao, an academician of the Chinese Academy of Sciences in Shanghai on Saturday.

At the Super Science Night held by Bilibili, China's major video-sharing platform, Chu showed how invisibility can be achieved with special technologies and materials.

He asked two staff members to hold a panel in front of him. Initially, the lower part of his body was visible through the panel. After rotating the panel 90 degrees, his lower half disappeared, but the stage behind him could still be clearly seen.

对于这项“隐身术”,网友们极度好奇。想要隐身,到底必要哪些前提呢?

现实上,实现上述“隐身”成效的资料为柱镜光栅,它由一排排微幼的圆柱状凸透镜分列组成,每一个竖直圆柱状凸透镜都能把平行于它的物体缩幼变细,使光线可能有法规地折射。当一排圆柱状凸透镜形成光栅,则产生若干个细到被眼睛忽略的成像,视觉上达到“隐身”成效。


The magic was realized by a lenticular grating composed of rows of tiny cylindrical convex lenses, and each vertical cylindrical convex lens can shrink and thin objects parallel to it, so that light can be refracted, according to Chu.

When a row of cylindrical convex lenses forms a grating, several images that are too small to be noticed by the eyes are produced, achieving an invisibility effect.

此表,褚院士介绍,人们还能够利用折射率“隐身”,例如,高硼硅玻璃和甘油的折射率相近,当使用高硼硅玻璃材质的物体在甘油里活动时也能够‘隐身’。褚君浩称,“这其实就是实现‘隐身衣’的道理之一,当你穿上一件衣服,它的面料和空气折射率一致时,就能在日常生涯中自若‘隐身’了。”


褚君浩进一步暗示,当前对于“隐身”最前沿的索求,不仅能躲避肉眼监测,还能躲避红表监测。随着现代探测伎俩的日益多样化,针对单一光谱,如可见光、红表光等,或者针对单一类型的探测器,如雷达、激光探测等早已不能满足人们对于“隐身”的需要。“

真正的‘美满隐身’要求对上述探测伎俩都能躲避,其性质是对肆意电磁波的低可探测性。‘超资料’的问世对实现肆意电磁波的美满隐身提供了全新的解决规划。它是人造复合伙料,通过设计、沉组资料的轻微结构,扭转光、电磁波的通例性质。”褚君浩称。


Chu also showed several other ways to be invisible, such as using two substances with similar refractive indices and a plane mirror to create reflection imaging.

“未来,随着‘隐身’技术和‘超资料’的逐步成熟,科幻文章里的‘隐身’畅想将逐步走向现实。”褚君浩称,相信未来还会有更多‘隐身’设备扭转lewin乐玩官网生涯,好比私密性更好的隐形房间,隐形助听器等。

"Invisibility in science fiction will become reality as invisibility technology and material develop," he said. "More invisibility equipment will change our life, such as invisible rooms that can provide better privacy and invisible hearing-aids."据《新民晚报》报路,褚君浩是红表物理学家、半导体物理和器件专家、中国科学院院士、中国科学院上海技术物理钻研所钻研员。作为一名热心科普的科学家,面对分歧的受多,褚君浩总有法子用深刻浅出的说话,描述红表光的神奇。

此前在接受《新民晚报》采访时,褚君浩被问及最看沉青年科研工作者身上哪些特质?

他答路,“思想和创新是魂灵。我时时问学生,‘你有什么新的器材加进去?’‘你为这个课题做了什么贡献?’是否长于思虑、是否有创新能力、是否能提出问题、是否有新的点子,这些决定他的未来发展空间有多大。我此刻也在不休进建新的器材,维持思想的活跃度。”


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