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 ...
A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...
Beauty in the sky is splashes of colors and arcs of light as rainbows, halos, and sundogs. How do they happen? When light passes from air into water, or from air into ice, it bends slightly and ...
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