A glass prism is a transparent object having two triangular ends and three rectangular sides. The refraction of light in glass prism is different from a glass slab. This is because in glass prism, the ...

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 ...

Harry Potter fans, do not despair! Invisibility cloaks may be a long shot, but last year physicists demonstrated technology that might someday hide you from radar. Now, two groups of researchers have ...

Richard Higgins offers a remarkably full account of Henry David Thoreau’s ever-evolving faith.

Have you ever looked up and seen a halo around the sun? This is caused by the refraction, or bending, of sunlight as it hits ice crystals in cirrus clouds high in the atmosphere. Sometimes this halo ...

Refractometers are versatile in their design and use, and are able to provide results as refractive indices, or in other cases, as direct measurements of parameters such as soluble solids, sugar ...