Have you ever stopped to think that the colors of your clothes or the tone of your office walls might say a lot about you?

Artificial dyes made using chemicals and are thus regulated by the Food and Drug Administration to ensure their safety. But ...

You can use a prism to split (or disperse) white light into a spectrum of colours: red, orange, yellow, green, blue, indigo and violet. Dispersed means that the colours are separated out.