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=...
Relatively Light and simple to build and stackable they were used as fishing dinghies. There are many types of dory type boats in the world. VanGogh left us a drawing of dory like boats. Another example is the Portuguese fishing boats that have very similar lines. Various designs of dories show more or less rocker (curve) on the bottom depending on the use. Portuguese fishing boats show lots of rocker while some of the grand banks dory considerably less. Rocker allows a boat to pivot and be more manoevrable. Beaching dories and driftboats show a lot of rocker.