Geeta Gandbhir’s film examines the killing of a Florida woman and “stand your ground” laws, but the issues it raises are bigger than those statutes. By Alissa Wilkinson Keanu Reeves plays an ...

When you’re getting ready to play a real-life convict, you have to be ready to receive phone calls from a super-maximum security prison at any time of day. There came a moment in the remote mountain ...

Abstract: Optical vortex is a type of structured beam with helical phase wavefronts that carry orbital-angular momentum (OAM) with different topological charge numbers. Optical vortex beams are of use ...

Ptera Software is a fast, easy-to-use, and open-source software package for analyzing flapping-wing flight.

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