The researchers, some based at Imperial College London, have even created a prototype material capable of cloaking objects against radar waves as proof of their theory.

• 这些研究人员中的某些是在帝国理工学院工作，他们甚至创造了一种能遮蔽物体使之不反射雷达波的原型材料，作为他们的理论证据。