For the final image, I converted my brother's wallpaper, which was composed by Photoshop, to a ray traced 3d version of it. My brother used to be proud of this piece of his work, especially the glass sphere which he faked. That is of course until he saw my ray traced picture. I think the picture speaks for itself. Not only I showed my brother that there's more things going in a glass sphere than he intially thought, but to analyze how light travels in and out a glass block is already complicated enough.