The Step Barrier Scattering model shows a quantum mechanical experiment in which an incident wave (particle) traveling from the left is transmitted and reflected from a potential step at x=0. Although the analytic solution to this standard problem is well known, its visualization shows how the... Platforms: Mac, Mac OSX

Keyword: Analytic, Barrier, Classically, Energy, Experiment, Forbidden, Height, Incident, Interference, Mechanical, Pattern, Penetrates, Problem, Reflected, Region, Shows, Standard, Visualization, Waves

The Momentum Space package is a self-contained file for the teaching of the time evolution and visualization of energy eigenstates and their superpositions via momentum space in quantum mechanics. The file contains ready-to-run OSP programs and a set of curricular materials. The material focuses... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compadre, Compiled, Curricular, Distributed, Double, Mechanics, Momentum, Package, Physics, Quantum, Readytorun, Searching, Source, Space, Teaching, Written

The Foucault Rod model displays the vibration of a circumnavigating rod. One end of the rod is firmly secured to a support. The free end of the rod has a weight attached, like the bob of a pendulum. The support of the rod is circumnavigating a central axis. The plane of swing of the Foucault rod... Platforms: Mac, Mac OSX

Keyword: Circumnavigating, Corotating, Created, Foucault, Installed, Model, Modelquot, Modify, Motion, Pendulum, Popup, Program, Quotopen, Rightclicking, Selecting, Simulation, Simulations, Support

The Ejs Standing Waves on a String model displays the motion of a standing wave on a string. The standing wave can be augmented by adding the zero line and the maximum displacement of the string. The number of standing waves shown can be changed via a slider. You can modify this simulation if you... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compiled, Double, Ejs Ehu Waves Standingjar, Installed, Model, Models, Modify, Motion, Physics, Program, Project, Readytorun, Source, Standing, String, Waves

The Ejs Orbiting Mass with Constant Force model displays the dynamics of an orbiting mass due to a constant force (a linear potential energy function). The simulation displays the motion of the mass as well as the effective potential energy. The initial conditions can be changed by dragging the... Platforms: Mac, Mac OSX

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The EJS Ballistics and Orbits model displays ballistic trajectories near the Earth. The model shows the trajectory with respect to the inertial coordinate system and the trajectory as seen from a point of view that is co-rotating with the Earth. You can examine and modify this simulation if you... Platforms: Mac, Mac OSX

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The Thin Film Interference model investigates reflection and transmission of light through a thin film. The user can change the thickness and index of refraction of the thin film as well as the incident light wavelength. The Thin Film Interference Model was created using the Easy Java... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compiled, Distributed, Double, Ejs Thinfilmjar, Installed, Interference, Investigates, Light, Model, Modeling, Program, Readytorun, Reflection, Simulations, Transmission

VisIVODesktop provides a multi-platform desktop environment for the interactive visualization of cosmological simulations. Platforms: Mac, Mac OSX

Keyword: Cosmological, Desktop, Environment, Interactive, Multiplatform, Simulations, Visivodesktop, Visualization

The Spring Motion Model shows the motion of a block attached to an ideal spring. The block can oscillate back-and-forth horizontally. You can change the mass of the block, the spring constant of the spring, and the initial position of the block. You can then see the resulting motion of the block,... Platforms: Mac, Mac OSX

Keyword: Archive, Block, Clicking, Compiled, Created, Distributed, Double, Ejs Springjar, Installed, Model, Modeling, Motion, Position, Program, Simulations, Spring, Timethe

The Ejs TPT Ladder Demonstration model displays the statics and dynamics of a ladder leaning against a wall. The standard (textbook) statement of this problem assumes that there is no frictional force between the wall and the ladder, but a frictional force between the ground and the ladder. In... Platforms: Mac, Mac OSX

Keyword: Clicking, Compiled, Demonstration, Distributed, Ejs Tpt Ladder Demojar, Force, Frictional, Installed, Ladder, Model, Modeling, Models, Modify, Physics, Program, Readytorun, Simulation, Source

The Ejs Two Source Interference model displays the interference pattern on a screen due to two point sources. The simulation allows an arbitrarily superposition of the two sources and shows both the current intensity and running average of the intensity on the screen. The separation, phase... Platforms: Mac, Mac OSX

Keyword: Clicking, Compiled, Distributed, Double, Ejs Ehu Waves Interferencejar, Installed, Intensity, Interference, Model, Modeling, Models, Modify, Phase, Physics, Point, Screen, Simulation, Simulations, Source, Sources

The Ejs Standing Waves in a Pipe model displays the displacement and pressure waves for a standing wave in a pipe. The pipe can be closed on both ends, on one end, or open on both ends. The number of nodes in the standing waves can be changed via a slider. You can modify this simulation if you... Platforms: Mac, Mac OSX

Keyword: Additional, Archive, Clicking, Compadre, Designed, Double, Easier, Ejs Ehu Waves Pipejar, Installed, Model, Models, Modify, Physics, Program, Project, Source, Standing, Waves

NoeClone Version 3.0 Advanced Edition is a full-fledged electronic virtual cloning system that allows you to design cloning projects, simulate cloning processes, and generate cloning flowcharts for clarity and bookkeeping. Many advanced cloning and sequence analysis functions are provided to give... Platforms: Mac, Mac OS X v10.4

Keyword: Analysis, Bookkeeping, Cloning, Conducts, Definitively, Edition, Electronic, Environment, Experiments, Functions, Integrated, Laboratory, Provided, Recreate, Routinely, Sequence, Steps, Tools, Visual

The Ejs Duffing Poincare model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays the solution Poincare plot. The evolution parameters can be changed via textboxes.... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compadre, Compiled, Distributed, Double, Duffing, Dynamics, Installed, Model, Modeling, Models, Modify, Nonlinear, Physics, Poincare, Readytorun, Searching, Simulation, Source

The Ejs Anisotropic Oscillator model displays the dynamics of a mass connected to two opposing springs. The simulation displays the motion of the mass as well as the trajectory plot. The initial position of the mass can be changed by dragging. The unstretched lengths of the springs can changed as... Platforms: Mac, Mac OSX

Keyword: Anisotropic, Archive, Changed, Clicking, Designed, Displays, Double, Easier, Ejs Ehu Oscillations Anisotropicjar, Installed, Model, Models, Modify, Oscillator, Physics, Program, Project, Simulation, Source, Springs

The Ejs Spinning Hoop model displays the model of a bead moving along a hoop which is spinning about its vertical diameter with constant angular velocity ?. Friction is negligible. The simulation displays the motion of the bead as well as a plot of angle vs. time for the bead. The angular... Platforms: Mac, Mac OSX

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The Ejs Spherical Pendulum model displays the dynamics of a spherical pendulum in three dimensions. The pendulum is initially displaced from equilibrium and the pendulum bob has zero initial velocity. You can modify this simulation if you have Ejs installed by right-clicking within the plot and... Platforms: Mac, Mac OSX

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The Ejs Orbiting Mass with Spring Force model displays the frictionless dynamics of a mass constrained to orbit on a table due to a spring. The simulation displays the motion of the mass as well as the effective potential energy. The initial velocity, k/m, and the proper or natural length of the... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compiled, Displays, Distributed, Double, Ejs Ehu Central Forces Springjar, Force, Installed, Model, Models, Modify, Orbiting, Physics, Program, Readytorun, Simulation, Source, Spring

The Ejs Duffing Chaos model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays two solutions with different initial positions and a plot of phase. The evolution... Platforms: Mac, Mac OSX

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The Ejs Duffing Phase model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays the evolution of a group of oscillators with similar initial parameters on a phase... Platforms: Mac, Mac OSX

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