Only in Allentown. Only in Allentown could the creative spirits of the past and present come together to launch a public art ...

Inside white light are the colors of the rainbow: red, orange, yellow, green, blue, indigo and violet. To see those colors, you need something called a prism — an object that can refract light ...

If you were paying attention in science class, you know white light going into a prism comes out divided into the colors of the rainbow on the other side. The order of that rainbow is based on the ...

It's called 'olo.' While it was thought that the bar of rainbow colors — called a spectrum — produced when white light (like sunlight) travels through a glass prism is caused by some property ...