Two teams of astronomers have simultaneously discovered a strange, spinning dead star that seems to defy our current ...

The latest JavaScript specification standardizes a well-balanced and thoughtful set of features, including the built-in ...

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PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Abell 2255 is a cluster containing between 300 and 500 constituent galaxies, many of which are merging. It's located around 800 million light-years from Earth and spans around 16.3 million light-years ...

Orbital-angular-momentum-encoded diffractive networks for object classification tasks Encoding spatial information of objects into the orbital angular momentum of light enables the network to ...

This study proposes a novel method for generating virtual orbital angular momentum (OAM) using a synthetic uniform circular array (SUCA). In the proposed method, the base array is rotated to various ...