Scientists have demonstrated that negative refraction can be achieved using atomic arrays — without the need for artificially manufactured metamaterials. Scientists have long sought to control light in ways that appear to defy the laws of Nature. Negative refraction — a phenomenon where light bends in the opposite direction to its usual behavior — has captivated researchers for its potential to revolutionize optics, enabling transformative technologies such as superlenses and cloaking devices. Now, carefully arranged arrays of atoms have brought these possibilities a step closer, achieving negative refraction without the need for artificially manufactured metamaterials.