Interactive physics tools designed to help you visualize and understand fundamental radiation physics concepts. From unit conversions to 3D room shielding simulations, each tool includes real-time calculations and educational context.
Educational Use Only
These tools are designed for educational and training purposes only. They should not be used for clinical decision-making, patient dose calculations, or regulatory compliance. Always refer to validated clinical tools and consult qualified medical physicists for clinical applications.
Open access — no account required
Convert between SI and traditional radiation units across Activity (Bq/Ci), Absorbed Dose (Gy/rad), Equivalent Dose (Sv/rem), and Exposure (C/kg/R).
Interactive particle simulation with 4 presets: Simple Decay, Secular, Transient, and No Equilibrium. Features generator elution and real-time activity graphs.
Explore the inverse square law with 2D/3D views, 3 draggable detectors, lead shielding, Poisson statistics, and surface area visualization.
Visualize collision vs radiative kerma, inverse square law effects, and charged particle equilibrium with depth dose profiles and standard/advanced physics modes.
Medical physics word search puzzle! Find hidden terms across Atomic Structure, X-ray Production, and Radiation Interactions. 3 difficulty levels with clue mode and hints.
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Visualize scatter radiation distribution from a C-arm with draggable operator and lead shield. Includes isodose contours and dose rate calculations.
3D visualization of CT gantry with MDCT detector configurations (1/4/16/64 slice). Explore pitch, mAs, and dose relationships with artifact warnings.
Simulate photoelectric effect, Compton scattering, and transmission. Features K-edge effects, beam hardening, and mono/polyenergetic beam modes.
3D diagnostic radiology room with control booths, draggable personnel, primary/scatter/leakage radiation visualization, dose heatmap, and NCRP compliance checking.
Interactive P-N junction visualization with electron-hole pair generation, 3 detector materials (Si/Ge/CdTe), current pulse oscilloscope, and energy spectrum histogram.
Explore NaI(Tl), BGO, and plastic scintillator crystals with photomultiplier tube dynodes, pulse height spectrum, Compton edge, and advanced spectroscopy features.
Explore 6 voltage regions from recombination to continuous discharge. Features characteristic curve, detector interior visualization, dead time, and quenching mechanics.
Test your radiation safety knowledge in this gamified quiz! Climb the RSO Career Ladder with 15 questions, 3 lifelines, and 2 safe havens.
Sign in to access the full suite of simulators, calculators, and the RSO Knowledge Game. Enrolled RSO course members get unlimited access.