electron microscopy, where the small wavelengths associated with the electron can be used to view objects much smaller than what is visible using visible light. Similarly, neutron diffraction uses neutrons with a wavelength of about 0.1 nm, the typical spacing of atoms in a solid, to determine the structure of solids. Photos are now able to show this dual nature, which may lead to new ways of examining and recording this behaviour. See also Afshar experiment Arago spot Basic concepts of quantum mechanics Complementarity (physics) Einstein's thought experiments Englert–Greenberger–Yasin duality relation EPR paradox Faraday wave Hanbury Brown and Twiss effect Kapitsa–Dirac effect Photon polarization Scattering theory Wavelet Wheeler's delayed choice experiment References External links Animation, applications and research linked to the wave–particle duality and other basic quantum phenomena (Université Paris Sud) E.H. Carlson, Wave–Particle Duality: Light on Project PHYSNET Foundational quantum physics Duality theories Dichotomies Articles containing video clips