Only in Allentown. Only in Allentown could the creative spirits of the past and present come together to launch a public art project that involves the casting of light-refracting rainbow prisms onto ...

When the recently topped off 7 World Trade Center is completed next year, the street level facade won't just reflect light, it will emanate a cool blue glow from special light-refracting prisms ...

Although our eyes usually can't see them, visible light contains all the colors of the rainbow. This kind of light is called 'white light,' and it's the light we get from the sun, a lamp or a ...

The light then passes through the sample, is refracted at the interface with the smooth surfaces of the refracting prism and enters the instrument's telescope. The telescope is equipped with two ...