Refraction is the change in the direction of light due to a change in its speed as it enters a different medium. While the speed of light is constant in a vacuum, it decreases in denser materials, ...

It can be quite the hassle, trying to measure curved surfaces with either a stiff metal tape measure or a floppy cloth one that won't stay in place. The Tiroler 2.0 offers a clever alternative, and it ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 119, No. 12 (March 22, 2022), pp. 1-9 (9 pages) Light propagation on a two-dimensional curved surface embedded in ...

ABSTRACT: The article develops coordinate-invariant methods to calculate reflection and refraction of plane monochromatic waves at the plane boundary between two isotropic and an isotropic and an ...

Unsure of what he had just witnessed, Martin took to Facebook to confirm whether anyone else around him had also spotted the same stunning spectacle. One person shared a photo with Martin of a similar ...

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Abstract: Considering that the atmospheric refraction and aberration of light (AOL) bend the path of light and thus affect the geolocation accuracy, a rigorous imaging geometric model with corrections ...

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