By Samuel Verplanck for Spring 2014 Team Third.
Read the Report
The first images shows how india ink in skim milk beads up. In the second, half and half was used, and the surface tension was lower, allowing shapes to be drawn. In the third, the surface tension of heavy cream was higher than the ink, and it was pulled apart. Water droplets on a CD reflect and refract the rainbow light dispersed by the CD grating.