06/03/2020

Topology protects light propagation in photonic crystal

Dutch researchers at AMOLF and TU Delft have seen light propagate in a special material without reflections. The material, a photonic crystal, consists of two parts that each have a slightly different pattern of perforations. ...

First official names given to features on asteroid Bennu

Asteroid Bennu's most prominent boulder, a rock chunk jutting out 71 ft (21.7 m) from the asteroid's southern hemisphere, finally has a name. The boulder—which is so large that it was initially detected from Earth—is ...

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