The light that falls is refracted specifically, allowing us to see a rainbow effect on the cold cut's surface. The natural muscle structure, composed of many thin fibres, acts like a prism ...

The prism bends different colours of light at different angles ... the sun is behind you and the rain in front of you, you see a rainbow of colours reflected back from inside the raindrops.

An upside down "rainbow" has been spotted ... at such an angle that light enters through a flat top face and exits through a side prism face. It said the arcs were "actually quite common", being ...

From oddly shaped clouds to rainbowlike colors in the sky, there are plenty of fascinating weather phenomena that can capture your attention, even when there's no storm in sight. Whether you're a ...