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Charging by Induction Simulation
Using this simulation, you can experience the phenomenon of charging a metallic ball by induction in the first stage and charging the ball by contact in the second stage after the charged rod touches the ball. The displayed charges are for an illustrational purpose, and they are not seen in reality. You can disable the display of charges on the rod and on the ball.
In this simulation, you can try two situations, one in which the rod is positively charged and another in which the rod is negatively charged, and you will see that the two situations result in the same observation.

One-Dimensional Elastic Collision Simulation
Using this simulation, you can demonstrate the conservation laws in a one-dimensional elastic collision (The law of conservation of linear momentum and the law of conservation of kinetic energy).

Refraction of Light Simulation
With this simulation, you can experiment the refraction of light between air and a transparent semi-disk. You can choose the material of the disk from a list of materials. Also, you can determine the index of refraction of the semi-disk when you apply Snell’s law to measurements you take in the simulation.

Old Simulations
These simulations were made using the Adobe Flash/AcrtionScript. You can download them and run then in Windows.

Updates to Stroboscope Simulation
I updated the graphical user interface for easier interaction and better fitting in the browser. I also optimized the code.

Simulation Manual: Phase Difference Between Sound Waves
A complete manual for the phase difference between sound waves simulation, including a short introduction and a user guide.