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Visual science, photon (27/40) Quantum objects have a curious nature they can be a particle, like a hockey puck, and some kind of wave, like a wave splashing on the shores. Think of hockey puck that can be in several different places all at one time. But when you spot it with your with measuring instruments, said quantum object is all of a sudden reduced to one spot. This means that molecules atoms electrons even photons , are found to be particles and waves, both at the same time! It is the basic underlying property of the quantum world. In theory, duality is a property not only of atomic and subatomic particles but larger objects exhibit these quality's such as basketballs, planets even humans, although this duality is much more difficult to observe for more sizable articles, that said they have seen this behavior in materials the size of a molecule.