W hen you hop in your car to head to work, drop your kids off at school or make a Target run, how many traffic lights do you ...

It's hard to say whether blue and red really go together well. It’s a divisive question in the world of color theory. While ...

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.