Boss: It’s national rainbow day! Us: Oh, we’ve got rainbows.😏 You probably recognize this iconic image from Pink Floyd’s album “The Dark Side Of The Moon”. But what actually is it? This is a dispersive prism. When light hits a dispersive prism, it separates into the different wavelengths which deflect at various angles. For example, the red wavelengths are longer than violet wavelengths, which is why they separate, creating a rainbow. Not only are rainbows reminders that there may be more than