Hungarian Students Invented Invisible Ball To Solve The Key Problem Of Invisibility Cloak

According to foreign media reports, an undergraduate from Hungary in University of St Andrews recently solved the problem.

According to introducing, this kind of optical equipment is called "invisible ball", it can make all the light approaching the invisibility cloak slow.

This means that the light around the invisible object is not necessarily accelerated.

Usually, the invisible invisibility cloak must be accelerated by the surrounding light so that it can be invisible in a specific area of the visible spectrum.

The new invention will ensure that the wearer moves around in a constantly changing color background without appearing.

The usual way to design invisibility clothing is to use some special material around the invisible object to achieve the purpose of bending the light.

When the light is bent, it can not reach the object, and the object does not exist in the eyes of the observer.

However, the speed of light must be accelerated to a certain speed, which limits the invisibility garment's ability to work within a limited spectrum.

If a person is prepared to stand still, the invisibility cloak is ideal.

But when he began to move, the scene began to change, and the people under the cloak would be exposed.

If we use a so-called invisible ball to slow down all the lights without accelerating the light to such a high speed, the invisibility cloak can work in all areas of the spectrum.

The latest research results are published in the Physics Institute of the German Physical Society.

Peiser said, "under the guidance of professors, I began to study the problem of superluminal propagation.

After having studied the idea for 8 months, he finally overcome the technical obstacles and verified its feasibility.

A spokesman for the Institute of physics of the German Physical Society said: "this latest achievement will make it possible to develop a practical invisibility cloak in the future. The invisible ball has solved what other researchers are trying to overcome.