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=...
Creature Profile. Also, called the orca, the killer whale is the largest of the dolphins and said to be one of the world's most powerful predators of the sea. They are immediately recognizable by their black tops and white bellies, and they have white patches near the eyes. They are very intelligent and trainable stars in many aquarium shows.