with varying index of refraction. SVG version by Vanessa Ezekowitz, based on [1] (original by User:Timrb). Other versions: PNG original SVG Polish This...
give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that...
give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that...
