Poaching planes: How do they become 'invisible' and what makes them so special?

In the complex world of military aviation, there is a concept that is often recurrent and misunderstood. This is that of poaching technology. Aircraft such as the F-35 Lightning II or the B-2 Spirit are true milestones of modern engineering, designed to bypass enemy detection systems and operate in environments with reduced visibility to the minimum. But how do these aircraft achieve their apparent 'invisibility'? The key is in a combination of …