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The new metamaterials are a new type of stealth material.



In nanotechnology, reflection denying makes it possible to create layers. that don't cause energy impulses to molecules and structures in the reaction chamber. The same technology makes it possible to make layers invisible to radar, infrared, and human eyes. Infrared stealth requires that the aircraft's shell will be cooled. Low-temperature layers decrease the infrared signature of the material. 

The reflection is the thing that makes objects visible. And if the system can transfer reflecting radiation away from the observer. That makes it impossible to see the object. 

In some ideas two-layer structure allows air flow to travel inside it. That decreases the temperature of the shell. There are also plans to use plasma or neutral gas systems. That blows gas or ions over the aircraft's outer shell. That should make the aircraft slippery and deny the airflow straight effect to the aircraft shell. In some other ways, the aircraft's shell is equipped with nano-rolls that decrease the airflow's energy transfer to the aircraft's shell. The soft forms of stealth aircraft also decrease their friction. 

The new metamaterials with triangular 2D molecule structures can transfer thermal energy out from the layer. The 2D triangular structure that is between two layers of 2D materials can transfer thermal energy to air. That flows between those layers. That technology makes objects invisible to IR sensors. But it also makes it possible to create new, ultra-fast aircraft. Friction is the problem with high-speed aircraft.

Another thing is that two-layer semiconductor structures can create a stable positive electron-hole series into the lower layer. And then, the electricity that radar transfers to the outer layer travels to the inside layer. That can make it possible to create structures that are invisible to radars. Things like laser rays that hit the lower layer can make those stable holes that conduct radio- and electric impulses in desired directions.  

Denying reflection can happen by transferring energy out from the observer. Or the system can tie it inside it. There are invisible energy states in molecules. It's possible. The system can transport energy into those energy pockets. The thing that can make the material invisible to the observer is that there is some kind of hovering energy field. That changes reflecting radiation's wavelength. These kinds of systems can be the key to future stealth systems. 

https://scitechdaily.com/45-year-old-theory-confirmed-physicists-shed-new-light-on-the-invisible-energy-states-of-molecules/


https://scitechdaily.com/revolutionary-organic-solar-cell-coating-boosts-efficiency-and-cuts-costs/


https://scitechdaily.com/weaving-light-unraveling-the-quantum-lattice-of-kagome-metals/



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