Physicists have found a way to provide negative refraction of light without using metamaterials

<img src=”https://naked-science.ru/wp-content/uploads/2025/02/negative-refraction-of.jpg” alt=”Physicists have found a way to ensure negative refraction of light without using metamaterials”/>Physicists have demonstrated for the first time that negative refraction of light can be achieved using atomic lattices – without using artificially created metamaterials. This could revolutionize optics and stealth technologies.