Rainbow Galaxy Cube
White light passing through a multi-layer coated beam-splitter cube produces prism-like rainbows across its faces. Internal reflections, coating dispersion and local scattering/stress create the galaxy-like halo at the cube’s center.
—Ramin Jamali and Mohammad Hadi Sadri, Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
