The Catalog of Sims physics astronomy math physics Simulations modern The Bohr / de Broglie Model Change the energy level of the electron in this Bohr Model About/InstructionsView The Sim! Quantum Scattering Change the parameters affecting quantum scattering. About/InstructionsView The Sim! momentum Cats in a raft Tossing cats from a raft has never been this fun! About/InstructionsView The Sim! electrostatics Electric Dipole in an Electric Field Adjust the field strength and observe the effects on the dipole About/InstructionsView The Sim! light Double Slit Intensity graph Adjust the variables in a double slit experimental setup to see their effects on the intensity plot. About/InstructionsView The Sim! Diffraction Grating Intensity graph Adjust the variables in a n-slit (i.e. diffraction grating) experimental setup to see their effects on the intensity plot. About/InstructionsView The Sim! Single Slit Intensity graph Adjust the variables in a single slit experimental setup to see their effects on the intensity plot. About/InstructionsView The Sim! historical Force and Motion A replica of an old simulation. About/InstructionsView The Sim! forces A Block on a Ramp, with Friction See how a block on a ramp will respond to the angle of the ramp and a shoving force. About/InstructionsView The Sim! kinematics A kinematic cart simulator See the ball fall back into the cup. About/InstructionsView The Sim! Plot the Kinematics of an Elevator See three graphs of position, velocity, and acceleration for an elevator moving up and down. About/InstructionsView The Sim! oscillations Pendulum with plots See how a pendulum correlates with the kinematic variables About/InstructionsView The Sim! A Spring and its parameters Adjust the parameters of a spring mass system and see the effects About/InstructionsView The Sim! optics Ray Diagram Change the parameters for a converging lens system About/InstructionsView The Sim! rotation A rotating wheel See the tangential velocity vectors on a rotating wheel. About/InstructionsView The Sim! circular-motion Simple Solar System add planets to a simple solar system About/InstructionsView The Sim! sound Radially Propagating Sound Waves soundwaves are oscillations in pressure as function of position and time. About/InstructionsView The Sim! Standing Sound Waves in a Closed-Closed Tube soundwaves are oscillations in pressure as function of position and time. About/InstructionsView The Sim! Standing Sound Waves in a Closed-Open Tube soundwaves are oscillations in pressure as function of position and time. About/InstructionsView The Sim! Standing Sound Waves in an Open-Open Tube soundwaves are oscillations in pressure as function of position and time. About/InstructionsView The Sim! Soundwaves soundwaves are oscillations in pressure as function of position and time. About/InstructionsView The Sim! Two Speakers - 1D interference The spacing between two speakers changes the interference of the sound waves. About/InstructionsView The Sim! waves A Standing Wave with Labels A standing wave labeled with node and antinode and adjustable wavelength. About/InstructionsView The Sim! A Standing Wave A standing wave formed by two traveling waves and adjustable angular frequency. About/InstructionsView The Sim! Adjustable Traveling Wave Change the coefficients that determine a traveling sine wave About/InstructionsView The Sim! Traveling Wave Amplitude Note how the amplitude affects a transverse traveling wave About/InstructionsView The Sim! Traveling Wave Vectors Visualize the velocity of the constituent particles of a traveling wave. About/InstructionsView The Sim! Traveling Wave A simple traveling wave showing the motion of the medium. About/InstructionsView The Sim! Wave in a medium See the wavelength change as a wave passing thought different mediums About/InstructionsView The Sim! Rotations and Torque Torque on a Wrench Adjust the position, angle, and magnitude of a force applied on a wrench. About/InstructionsView The Sim! astronomy Simulations historical The Celestial Sphere A 3d model of the ancient celestial sphere concept. About/InstructionsView The Sim! Epicycles Simulator A tool to visualize epicycles About/InstructionsView The Sim! solar-system The Earth in Orbit (simplified) A 3d model earth in orbit around the sun About/InstructionsView The Sim! cosmology Expanding Universe An expanding universe has no center. About/InstructionsView The Sim! gravitation A simple gravity assist Watch a smaller body getting a gravity assist from a larger body About/InstructionsView The Sim! Tidal Forces Observe the effects of tidal forces on a two body system About/InstructionsView The Sim! Two Body Orbits - One large One large and one small body in orbit About/InstructionsView The Sim! Two Body Orbits Two bodies orbiting a common barycenter About/InstructionsView The Sim! orbits Kepler's Second Law Equal Areas in Equal times About/InstructionsView The Sim! basics Solar day vs. Sidereal day A solar day is just a little longer than a sidereal day. See how! About/InstructionsView The Sim! math Simulations functions The Origins of Sine and Cosine Functions Rotations around the unit circle can make sinusoidal functions. About/InstructionsView The Sim! Adjustable Parabola Plot Change the coefficients that determine a parabola About/InstructionsView The Sim! Adjustable Sine Function Change the coefficients that determine a basic sine function About/InstructionsView The Sim! A Decaying Sinusoidal Function Change the coefficients that determine a basic sine function About/InstructionsView The Sim! Square Wave Fourier Series Summing up certain sine waves will produce a square wave About/InstructionsView The Sim! Beating shown graphically Add two sine waves and change the relative frequency of one, slightly About/InstructionsView The Sim! Sum of Two Sine Waves Add two sine waves and change the relative phase About/InstructionsView The Sim! Triangle Wave Fourier Series Summing up certain sine waves will produce a triangle wave About/InstructionsView The Sim! vectors Random Walk A Random walk or two or twenty About/InstructionsView The Sim! Vector Addition About/InstructionsView The Sim! Vector Components About/InstructionsView The Sim! algebra Visualizing Averages The average of any two quantities can be seen graphically About/InstructionsView The Sim!