PhysicsWhat are fractals and how can they help us understand the world? Fractals are common in nature because of the surprisingly simple way they are made. Mathematically, they also help us make sense of complexity and chaos – and maybe even quantum weirdness Features
PhysicsQuantum forces used to automatically assemble tiny device The very weak forces of attraction caused by the Casimir effect can now be used to manipulate microscopic gold flakes and turn them into a light-trapping tool 51¶¯Âþ