Open Lyceum

AC phasor simulation exploring resistors, inductors, and capacitors across four screens — Intro (single element), Series RLC, Resonance, and Power.

Explore how a capacitor works: change plate area and separation, insert a dielectric, and build series and parallel combinations while watching charge, voltage, E-field and stored energy.

Explore the Carnot cycle across three screens: a piston-cylinder tied to a live PV diagram, a quantitative efficiency lab with a T–S view, and the same cycle reversed as a refrigerator or heat pump.

Explore crystal structure across five screens: the five 2D Bravais lattices, cubic unit cells and packing factors, hexagonal vs cubic close packing, Miller indices, and aperiodic order — Penrose tilings and the hat monotile, with diffraction as sharp as a crystal's but a symmetry no crystal can have.

Interactive simulation of the Doppler Effect — visualizes how the frequency of sound waves shifts with relative motion between source and observer.

Explore electric fields and potential from movable point charges with vector arrows, field lines, and a measuring probe.

SceneryStack port of the PhET 'Electric Field of Dreams' simulation. Place charged particles and observe Coulomb interactions and an adjustable uniform external field.

Explore Maxwell boundary conditions for E/D and B/H at a planar interface between two media.

Flow past an obstacle, from laminar streamlines to a Kármán vortex street to a turbulent wake — real-time GPU fluid simulation across Intro and Lab screens.

SceneryStack recreation of PhET's Fluid Pressure and Flow — Under Pressure, Flow, and Water Tower screens for hydrostatic pressure, Bernoulli flow, and a water tower with a hose.

Heat as a field on a WebGPU engine — temperature, conduction, convection, transport balance, and materials across five screens, with GPU-native compute shaders and a CPU reference backend.

Physical-optics simulation of Michelson, Mach-Zehnder, and Fabry-Perot interferometers: optical path length, phase, coherence, and fringe formation.

SceneryStack port of the PhET 'Ladybug Motion 2D' simulation. Explore 2D motion, position, velocity, and acceleration using a ladybug on a rotating platform.

Interactive simulation of how light propagates through polarizers and wave plates — Intro, Polarization, Wave Plates, and Lab screens.

SceneryStack port of the classic PhET Flash 'Lunar Lander' simulation. Pilot a lunar module to a soft landing by managing thrust and tilt against gravity.

SceneryStack port of the PhET 'Maze Game' simulation. Drive a particle through tile-based mazes using position, velocity, or acceleration control modes.

Match target position-versus-time and velocity-versus-time graphs by moving a character with pointer controls or by walking in front of a PASCO Wireless Motion Sensor.

Record position over time with the mouse or a PASCO Wireless Motion Sensor over Web Bluetooth, and plot position, velocity and acceleration on a graph whose axes you choose.

SceneryStack port of the PhET Java 'Moving Man' simulation. Explore 1D kinematics by dragging a man or using position/velocity/acceleration sliders.

Web-based geometric optics simulation. Supports ray sources, parallel and divergent beams, mirrors, lenses, beam splitters, and refraction interfaces.

Collection of four classical mechanics simulations exploring oscillations and chaos: single spring, double spring, pendulum, and double pendulum.

Single-screen SceneryStack bench oscilloscope. Display a synthetic function-generator signal or live microphone audio on a phosphor-green CRT graticule, with two channels, triggering, X-Y and FFT modes, measurement cursors, and live auto-measurements.

Rigid-body dynamics of a spinning gyroscope: steady precession under gravity, nutation, and torque-free tumbling.

3D hydrogenic atom explorer: orbitals and probability density with phase colouring, radial distributions, superpositions that evolve in time, the angular-momentum vector model, normal and anomalous Zeeman splitting with selection rules, and the degeneracy of the isotropic 3D oscillator.

Interactive quantum mechanics lab: solve the 1D Schrödinger equation in real time for analytically solvable and multi-well potentials, with wave functions, probability densities, energy levels, and time evolution.

Drag-and-drop quantum circuit builder with a live state simulator. Place quantum gates and watch probabilities, amplitudes, Bloch spheres, and measurements update in real time.

SceneryStack port of the PhET 'Radio Waves & Electromagnetic Fields' simulation, rebuilt from the legacy PIXI.js + Backbone version. Wiggle an electron and watch EM radiation propagate.

Counting-statistics laboratory: measure radioactive decay — simulated or from a PASCO Wireless Geiger Counter over Web Bluetooth — and compare the distribution against Poisson and Gaussian theory.

Interactive simulation of resonance in driven oscillating systems. Visualizes driven mass-spring systems and Chladni plate patterns.

Explore special relativity across five screens: a moving light clock, an interactive Minkowski spacetime diagram, length contraction (ladder and barn), the twin paradox, and the relativistic Doppler effect.

Longitudinal standing waves in a pipe: displacement, velocity and pressure phase relationships, open vs. closed end reflection, and the harmonic series of open and stopped pipes.

Interactive Stern–Gerlach experiment: assemble analyzers, magnets, and counters; fire spin-½ / spin-1 atoms; compare Monte Carlo counts with analytic quantum predictions.

SceneryStack port of the PhET Java 'The Ramp' simulation. Explore forces on an inclined plane with friction, energy conservation, and applied forces. Features record/playback, force charts, and comparison objects.

Browser-based video motion-analysis tool. Load a video, calibrate real-world distances, and auto-track objects across frames using computer vision.

Learn to read vernier calipers and vernier scales in general.

Three-screen VoceVista-style real-time voice-analysis simulation. Analyzes microphone input for waveform, spectrum, and composition.

Gen Chem thermochemistry: drop a hot metal into water to find its specific heat, measure ΔH of neutralization, dissolving salts and Mg + HCl in a coffee-cup calorimeter with drift-line extrapolation, calibrate a bomb calorimeter with benzoic acid and burn fuels, and build ΔH from reversed and scaled step reactions with Hess's law.

Gen Chem electrochemistry: build galvanic cells from nine half-cells and watch them run down, follow the Nernst equation on a plot of E against log Q to equilibrium, and test Faraday's law with copper and silver plating and the electrolysis of copper(II) chloride and water.

Gen Chem chemical equilibrium: watch a mixture react until Q reaches K with the forward and reverse rates equal, work ICE tables against a live simulation, push a mixture at equilibrium with Le Chatelier stresses and see whether Q or K moved, and find ΔH° and ΔS° from a van 't Hoff plot.

Lewis structures for General Chemistry: count valence electrons, draw bonds and lone pairs on a board with live formal-charge and octet checks, compare resonance forms with curved arrows and their hybrid, practise in a three-level challenge with hints, and see each finished structure's VSEPR shape in 3D.

Light and atoms for General Chemistry: the electromagnetic spectrum with c = λν and E = hν, a Bohr hydrogen atom that emits and absorbs photons, and the line spectra of gases and flames through a spectroscope.

A browser molecular viewer in the spirit of Jmol: explore small molecules, proteins, DNA and crystals in 3D, measure bonds and angles, and drive it with Jmol-style scripts.

Gen Chem periodic trends from hydrogen to krypton: click an element or drag across a period or down a group to watch atomic radius, ionization energy, electron affinity and electronegativity change, explained through effective nuclear charge (Slater's rules) and shielding.

Read infrared, NMR and UV-Vis spectra against a 3D molecule: click a peak to see the atoms, vibration or orbital behind it.

Gen Chem acid–base titration: titrate at the bench with a burette, an indicator and a pH meter (including an unknown acid), compare exact titration curves for strong, weak and polyprotic acids and bases with their buffer regions and species, and choose an indicator by its endpoint error.

SceneryStack port of the NAAP 'Basic Coordinates and Seasons' lab. Explore terrestrial and celestial coordinates and how Earth's axial tilt produces the seasons across three screens.

Interactive simulation of two exoplanet-detection methods — radial velocity (Doppler wobble) and transit (light-curve dip).

SceneryStack port of the NAAP 'Habitable Zones' lab. Compare circumstellar and galactic habitable zones with orbiting planets in two screens: Circumstellar and Galactic / Milky Way Habitability.

Explore why Mercury never appears far from the Sun. Synchronized planetarium and orbital views connect the Sun–Mercury angle in Berea's sky with real Earth and Mercury ephemerides.

SceneryStack port of the NAAP 'Motions of the Sun' lab. Trace the Sun's daily path, compare sidereal and solar time, and explore the zodiac on the celestial sphere.

SceneryStack port of the NAAP 'Rotating Sky' lab. Explore how the sky appears to rotate for an observer on Earth through a horizon system, a celestial sphere, and a combined interactive explorer.

SceneryStack port of the NAAP 'Solar System Models' lab. Compare the Earth-centered Ptolemaic model (deferent and epicycle) with the Sun-centered system and the planetary configurations it produces.

SceneryStack port of the NAAP 'Variable Star Photometry' lab. Register CCD star-field images, blink-compare epochs, perform aperture photometry, and find periods from a differential-magnitude light curve.

SceneryStack planetarium renderer. Project the night sky for an observer on Earth from latitude, longitude, and local sidereal time.

Interactive map of the Earth's tectonic plates drawn entirely from real data — PB2002 plate boundaries, USGS earthquakes, Holocene volcanoes and NOAA relief — plus cross-sections through a subduction zone, a spreading ridge and a transform fault, and a reconstruction clock running 50 Myr either side of the present. Two further screens port the tabs of PhET's Java simulation: crustal isostasy, and the evolution of a convergent or divergent plate boundary. A fourth screen replays the Müller et al. (2019) reconstruction from the present back to 250 Ma.