Screenshot of the HCl rotational spectrum simulator showing evenly spaced peaks.

HCl Rotational Spectrum

Simulate the pure rotational absorption spectrum of HCl. Adjust temperature, toggle units, and click peaks to collect frequencies.

Screenshot of the CO rovibrational spectrum simulator showing P and R branch structure.

CO Rovibrational Spectrum

Explore the rovibrational (IR) spectrum of carbon monoxide with P and R branches across multiple vibrational overtones.

Screenshot of the photoelectric effect simulator showing a light source, metal target, and detector.

Photoelectric Effect

Measure the photoelectric effect with different target metals and light wavelengths. Determine electron velocities from photon energy and material work function.

Screenshot of the quantum particle in a box simulator showing a wavefunction curve.

Quantum Particle in a Box

Draw or select wavefunctions for a particle in a 1-D box, then watch the time evolution and see how quantum number and box length affect the solutions.