Surf these sites: Amusement Park Physics -- Explores how the laws of physics play a role in the design of amusement park rides. Activities invite visitors to design a roller coaster and determine the outcomes of bumper car collisions. Links to related sites are provided. Brachistochrone Construction -- Here one can see a graph of the brachistochrone for the given endpoint. Coupled Oscillations -- This applet illustrates coupled oscillations of a linear chain of identical noninteracting bodies connected to each other and to fixed endpoints by identical ideal springs. All bodies start from rest, and their initial positions can be set either by sliding them along the track Hamilton-Jacobi Equations -- A brief review of the Hamilton Jacobi equations of motion. How Gyroscopes Work -- Explanation of principles, precession and experiments, from How Stuff Works. How a Helium Balloon Works -- Explanation of lifting capabilities of helium, hydrogen and hot air balloons, from How Stuff Works. Lagrangian and Hamiltonian Mechanics -- A set of web pages giving an introduction into Lagrangian and Hamiltonian mechanics, the most important aspects of classical mechanics. Los Alamos National Library - Classical Physics -- A collection of papers on current research into classical physics. On a general Method of expressing the Paths of Light,and of the Planets, by the Coefficients of a Characteristic Function -- An original paper by William Rowan Hamilton, dated 1833. The Principle of Least Action -- A brief review of the mathematics and physics involved in the principle of least action. The Principle of Least Action -- An overview of the historical development of the principle of least action.
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