Example image of eyePlorer eyePlorer map for 'Phase problem': Phase (waves) Diffraction X-ray crystallography Imaging science Signal processing Charge-coupled device Photographic plate Degrees of freedom Polarization Microscopy Measurement in quantum mechanics Crystal structure Electron density Fourier analysis Fraunhofer diffraction Multi-wavelength anomalous dispersion Synchrotron radiation Multiple isomorphous replacement Single wavelength anomalous dispersion Molecular replacement Patterson function Brute force Phase retrieval Difference map algorithm Electron diffraction X-ray standing waves Neutron reflectometry Phase Xenon