When last we saw [xoreaxeax], he had built a lens-less optical microscope that deduced the structure of a sample by recording ...

In this paper, Fraunhofer diffraction patterns generated by square and circular annular apertures are studied. The annular region is defined as the difference between two concentric areas of equal ...

Filmmaker and artist Rao Heidmets brings Estonian folk patterns to life in his solo show "Folk Butterflies" at Tartu's Omicum Gallery. The show features 20 digital works depicting new, yet-unnamed ...

Drawing a pineapple is a fun and simple way to practice shapes, patterns and texture. Pineapples have a very recognizable form, with a rounded body covered in rough segments and a crown of sharp ...

Is it possible to 3d print a diffraction pattern? People in Denmark 'stunned' by Trump's Greenland comments, former ambassador says Tenacious D's Kyle Gass addresses controversial Trump joke and Jack ...

Optical dispersion occurs when the refractive index of a material changes with the wavelength of incoming light. This variation causes different colors to move at different speeds in transparent media ...

The Washington Capitals are heading into the 2025-2026 season with some fresh threads. After the team deployed a new take on the beloved Screaming Eagle logo for their alternate jersey in 2024-2025, ...

Abstract: Coherent diffraction imaging (CDI) is a computational technique for reconstructing a complex-valued optical field from an intensity measurement. The approach is to illuminate an object with ...

Ptychography is an area-by-area scanning method that uses constant, coherent illumination to scan a region of a sample in several adjacent and overlapping locations. The dispersed radiation is ...

For the most part, voting patterns across demographic groups in the 2024 presidential election were not substantially different from the 2020 and 2016 elections. But Donald Trump’s gains among several ...

Its GPT-4.5 model is also better able to recognize patterns, draw connections and think more creatively, according to the company. Samantha Kelly is a freelance writer with a focus on consumer ...