This is what an ordinary coffee shop looks like through diffraction glasses,
which act like prisms to separate white light into a rainbow of colors. In this
shot, you can see that not all white sources are alike - a few of them produce a
continuous rainbow of colors, while
![(Untitled)](/content/images/size/w795/d619434dea5cc79b91f9102749df1ca8/tumblr_n0urmdlaTf1spzrmao1_1280.jpg)