Thomas
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More like a 5.5 gen aircraft... I wouldn't call it 6th gen until it can turn invisible to the eye....
while advancements in meta materials make that a possibility beyond 2030. A more probable proven technology is meta materials that absorb all electromagnetic radiation.
A New Engineered Stealth Metamaterial is the Blackest Ever | Popular Science
"A new blacker-than-black metamaterial absorbs almost all the light that hits it, heralding a new breed of stealth technology.
The material's internal structure absorbs almost all the electromagnetic radiation in a particular range, New Scientist reports. Ordinary black objects, by contrast, always reflect a bit of light. The material could be applied to all parts of the electromagnetic spectrum, meaning it could be used to make materials invisible to radar."
"Narimanov told New Scientist the technology would likely be used to build radar-proof stealth equipment."