3D has been incredibly useful in all of my concept art and matte painting work in animation, games and movies. Knowing how to ...

In 1965, there was one Spirograph set. Today, there are over 30 different sets to choose from. You can even buy a set that ...

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 ...