Does a rainbow ever end?

Throughout history, humans have extremely interested in rainbows. Children's stories talk about the “end of the rainbow”, where a pot of gold resides, waiting for a lucky individual. The rainbow has also been the center of songs, poems, and a multitude of stories derived from ancient cultures. read more

The rainbow has also been the center of songs, poems, and a multitude of stories derived from ancient cultures. In order to discover whether there is an end to the rainbow or not, we must delve into the physics of how this natural phenomenon is produced and displayed. read more

The rainbow is seen on Ankaroa Bay in Easter Island on July 12, 2010. (Martin Bernetti/AFP/Getty Images) If you’ve ever fantasized about finding the elusive pot of gold at the end of a rainbow, you’re about to be sorely disappointed. read more