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=...
An orc (also spelled as ork, orch, or yrch) is a fictional humanoid creature that is part of a fantasy race akin to goblins. Our present-day conception of an orc or ork is one of a race of mythical humanoid creatures, generally described as brutish, aggressive and repulsive, stemming from the writings of J. R. R. Tolkien, where orcs contrast with the benevolent Elvish race. Tolkien developed his idea of the orc from the Old English term orcneas. Quotes