In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles, and atomic nuclei. Spin is one of two types of angular momentum in quantum mechanics, the other being orbital angular momentum. The orbital angular momentum operator is the quantum-mechanical counterpart to the classical angular momentum of orbital revolution: it arises when a particle executes a rotating or twisting trajectory. The existence of spin angu
The Famous Orca Fishing Boat from the Movie Jaws - A detailed model. Full Playlist: http://www.youtube.com/playlist?list=...
Introduction to Orcas. Throughout history, orcas have been inadequately considered and the lack of knowledge about them, as well as the myths that have circulated for generations, have caused them to be cataloged as sea monsters, enemies of all aquatic species and mainly, âkillerâ whales. This belief comes from long ago. Their scientific name is Orcinus orca, from it, the word Orcinus means âfrom the realm of the dead,â relating to the Roman god Orcus master of the underworld. Later, poor translations ended in a name that eventually brought more fear to people, killer whales; both titles are incorrect.