Wave–particle duality

{ "text":\"Tiny things act in two ways.

They can move like little balls. They can also move like waves in water. This helps us learn how the world works. It is very neat! Do you want to see more?\",\n \"media\": [\n \"File:Roger Bach et al 2013 New J. Phys. 15 033018 Nj458349f1.jpg\"\n ]\n}" }