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THE SENPAI VIRTUAL LAB

Interactive Physics Simulations for A-Levels, SPM & IGCSE Alternative To Practical (ATP) Mastery.

[●] SYSTEMS: ONLINE | [★] SIMULATIONS: 41  | [👥] STUDENTS: 30,500+ MONTHLY

Get A* for Practicals

Gain the intuition needed for the Alternative to Practical exam without the messy cleanup.

Bespoke, Feature-Rich Engine

Built by engineers, not just coders. Every lab is packed with variables, data tracking, and high-fidelity physics.

Visualize the Invisible

From 3D Solar System to Radioactive Decay—see complex concepts come to life in real-time.

Community-Driven Labs

We aren't static. We constantly ship new missions and features based on student and teacher feedback.

Exportable Data & Graphs

Unlike competitors, our labs (like the Sankey Generator) let you download professional diagrams and graphs for your notes.

2026-2028 Syllabus Ready

Every lab is hand-coded to match the latest IGCSE, SPM & A-Levels Physics requirements.

​EXPERIENCE THE VIRTUAL LAB

Watch the official trailer and discover how interactive simulations bring difficult physics concepts to life.

SPECIFIC HEAT CAPACITY

MISSION: THERMAL DYNAMICS

Calculate the energy required to raise temperature. Master specific heat capacity. 

LAUNCH
Interactive Specific Heat Capacity physics simulation for IGCSE and SPM Alternative to Practical exam preparation.
[FREE]

CRAZY PONG

MISSION: KINETIC COLLISION

Test the laws of reflection with high-speed physics practice. 

LAUNCH
Kinetic energy and momentum physics game for students practicing velocity and reflection vectors.
[FREE]

FREE FALL SIMULATOR

MISSION: TERMINAL VELOCITY

Master terminal velocity and air resistance. Interactive mechanics lab for IGCSE, SPM & A-Level.

LAUNCH
Velocity-time graph showing terminal velocity stages of a skydiver before and after opening a parachute.
[FREE]

ROCKET GRAPH LAB

MISSION: KINEMATICS 

Learn all about motion graphs while trying to reach your target!

LAUNCH
Rocket Graph Lab banner for SPM Physics, IGCSE, and A-Level, featuring interactive linear motion analysis with real-time displacement (s-t), velocity (v-t), and acceleration (a-t) graphs and CSV data export.
[PREMIUM]

FLEMING'S LEFT-HAND

MISSION: THE  MAGNETIC EFFECT

Visualize the force on a wire, practice direction prediction.

LAUNCH
Interactive 3D Fleming's Left-Hand Rule simulator for SPM Physics, IGCSE and A-Level, showing 3D relationship between Force (F), Magnetic Field (B), and Current (I) with worksheet generator.
[PREMIUM]

ELECTROSTATIC INDUCTION LAB

MISSION: STATIC ELECTRICITY

Master charging by induction. Visualize electron flow and grounding for exams.

LAUNCH
Interactive electrostatic induction simulator showing a charged rod, metal sphere, and electron movement for SPM, IGCSE, and A-Level Physics.
[PREMIUM]

RADIOACTIVE DECAY SIMULATION

MISSION: HALF-LIFE

Witness 5,000 particles in a stochastic decay simulation. Compare real-time randomness against the theoretical curve

LAUNCH
Cyberpunk-themed radioactive decay simulator interface showing glowing green particles and a real-time decay graph.
[PREMIUM]

RIPPLE TANK SIMULATION

MISSION: WAVE PHENOMENA

Master reflection, diffraction, and refraction. Custom barriers and depth zones in our high-fidelity, in-house ripple tank

LAUNCH
A high-tech digital ripple tank simulation showing circular wave interference and diffraction patterns on a dark background.
[PREMIUM]

SANKEY DIAGRAM 

MISSION: ENERGY EFFICIENCY

​Generate professional Sankey diagrams with animated flow ribbons and precise efficiency calculations.

LAUNCH
Digital Sankey diagram generator interface showing energy efficiency flows with glowing green and orange paths.
[PREMIUM]

MOON PHASE SIMULATOR

MISSION: LUNAR CYCLES

Master IGCSE Space Physics with our moon phase simulator. Visualize lunar cycles and orbital geometry.

LAUNCH
Interactive moon phase simulator showing the Earth-Moon-Sun orbital relationship and current lunar phase.
[PREMIUM]

COLLISION LAB

MISSION: MOMENTUM & IMPULSE

Master conservation of momentum with our interactive collision lab. Simulate elastic and inelastic 2D impacts.

LAUNCH
A professional physics collision lab showing vector momentum arrows and particle impacts in a 2D sandbox.
[PREMIUM]

3D DC MOTOR SIMULATION

MISSION: ELECTROMAGNETISM

Explore the motor effect in 3D. Visualize magnetic fields, current flow, and Fleming's Left Hand Rule.

LAUNCH
A 3D model of a DC motor with visible magnetic field lines and current direction arrows.
[FREE]

INDUCTION EXPLORER

MISSION: ELECTROMAGNETIC INDUCTION

Master Faraday's Law and Fleming's Right Hand Rule with this interactive electromagnetic induction simulation and EMF lab.

LAUNCH
A technical physics lab showing a conductor moving through magnetic field lines with interactive Fleming's Right Hand Rule vectors.
[PREMIUM]

BOYLE'S LAW INTERACTIVE

MISSION: GAS LAWS

Master Pressure & Volume Inverse Relationships: Interactive Weights, Particles & Real-Time Graphing.

LAUNCH
A high-tech digital gas lab featuring a piston chamber with moving particles, adjustable weights, and a scatter plot graph.
[PREMIUM]

PHASE CHANGE EXPLORER

MISSION: STATES OF MATTER

Visualize melting, boiling, and heating curves with this interactive molecular state-change simulation.

LAUNCH
A colorful particle simulation showing the transition between solid, liquid, and gas phases with a real-time heating curve graph.
[PREMIUM]

LINE OF BEST FIT GRAPH MAKER

MISSION: EXPERIMENTAL SKILLS

A-Level Physics line of best fit graph maker with error bars and worst acceptable line calculations.

LAUNCH
A professional physics graph interface displaying a scatter plot with error bars and calculated linear regression lines.
[FREE]

STANDING WAVES SIMULATION: RESONANCE LAB

MISSION: WAVE MECHANICS

Visualize nodes, antinodes, and harmonics in strings and pipes with this standing waves simulation.

LAUNCH
Dark mode user interface of the interactive standing waves simulation showing a vibrating string with red node and cyan antinode vector indicators.
[PREMIUM]

TENSILE TEST SIMULATION: UTM-500

MISSION: HOOKE'S LAW

Run a virtual tensile test simulation to analyze Hooke's law and material failure.

LAUNCH
Dark industrial console interface showcasing an active engineering stress-strain graph, digital data readouts, and a steel specimen under tension.
[FREE]

HOW AN INDUCTOR WORKS: INDUCTOR LAB

MISSION: ELECTROMAGNETIC INDUCTION

Master how an inductor works with dynamic magnetic fields and back EMF explained simply.

LAUNCH
Tech-themed dark interface of the Inductor Lab showcasing an animated copper coil generating a magnetic field overlay next to an active reactance frequency chart.
[PREMIUM]

MANOMETER SIMULATION

MISSION: HYDROSTATIC PRESSURE

Use our manometer simulation to calculate hydrostatic pressure, liquid density, and differential heights.

LAUNCH
Interactive dark UI display of a 3D U-tube manometer simulation showing fluid level displacement, isobar pressure lines, and dynamic readouts.
[PREMIUM]

LENS SIMULATOR: OPTICS BENCH LAB

MISSION: RAY OPTICS

Explore ray diagrams, focal lengths, and image formation with this interactive lens simulator.

LAUNCH
Interactive optical bench canvas displaying convex and concave ray tracing diagrams, focal points, and image formation.
[PREMIUM]

PHYSICSPIN

MISSION: VOCABULARY MASTERY

Master IGCSE Physics definitions with this interactive arcade-style wheel of fortune. Test your revision speed.

LAUNCH
physicspin-banner-4.jpg
[FREE]

RADIATION ABSORPTION

MISSION: THERMAL ENERGY ANALYSIS

Compare thermal absorption on different surfaces. IGCSE/A-Level essential.

LAUNCH
IGCSE Physics thermal radiation simulation comparing heat absorption of black, grey and white surfaces at equal distance from a radiant heat source
[PREMIUM]

THERMAL CONDUCTION

MISSION: PARTICLE KINETICS

Compare heat transfer in metals vs. insulators. IGCSE/A-Level essential.

LAUNCH
Thermal conduction simulation comparing heat transfer in metal and non-metal rods.
[PREMIUM]

F=MA EXPLORER

MISSION: DYNAMICS & FORCES

Master Newton's Second Law with real-time vector visualization and interactive F=ma calculations and graphs.

LAUNCH
A high-end physics lab interface showing a block on a surface with force vectors, friction sliders, and live acceleration graphs.
[PREMIUM]

CENTRIPETAL SWING LAB

MISSION: CIRCULAR MOTION

Master circular motion. Visualize vectors and adjust mass/radius for physics exams.

LAUNCH
Interactive Centripetal Swing physics simulator for SPM, IGCSE, and A-Level, showing real-time centripetal force (Fc) and acceleration (ac) vectors in circular motion.
[PREMIUM]

PENDULUM LAB

MISSION: SIMPLE HARMONIC MOTION

Master SHM and energy. Visualize KE/PE graphs and damping for your exams.

LAUNCH
Interactive pendulum physics simulator for SPM, IGCSE, and A-Level, featuring real-time kinetic and potential energy graphs.
[FREE]

PENDULUM RESONANCE

MISSION: FORCED OSCILLATIONS

Explore resonance with our Barton's Pendulum simulator. Visualize forced oscillations and export real-time data.

LAUNCH
A professional physics simulation of Barton's Pendulum showing resonance effects and amplitude peaks across multiple pendulums.
[PREMIUM]

VECTOR ADDITION LAB

MISSION: FORCE & MOTION

​Master vector addition and components with our precise, in-house vector simulation.

LAUNCH
Interactive vector simulation interface featuring neon-colored force vectors on a scientific coordinate grid.
[PREMIUM]

3D SOLAR SYSTEM SIMULATION

MISSION: SPACE PHYSICS

Explore IGCSE Space Physics using our 3D solar system simulation with accurate Keplerian orbits.

LAUNCH
solar-system-simulation-banner-v2.jpg
[PREMIUM]

DOPPLER & REDSHIFT LAB

MISSION: WAVE PHENOMENA

IInteractive Doppler effect and red shift simulation. Visualize wave shifts in sound and cosmological light.

LAUNCH
A high-tech physics simulation showing wave frequency shifts and cosmological redshift with interactive velocity controls.
[PREMIUM]

TRANSFORMER SIMULATOR

MISSION: ELECTROMAGNETISM

Master Faraday’s Law, electromagnetic induction, and step-up/down transformer circuit calculations.

LAUNCH
transformer-simulation-banner-2.jpg
[PREMIUM]

3D AC GENERATOR SIMULATOR

MISSION: ELECTROMAGNETIC INDUCTION

​Explore AC generation in 3D: Visualize slip rings, induced EMF, and Faraday’s Law in action.

LAUNCH
A 3D AC generator model showing magnetic flux lines, rotating coils, and dual slip rings.
[PREMIUM]

CONVECTION CELL LAB

MISSION: THERMAL ENERGY TRANSFER

Visualize fluid dynamics and density changes with this interactive particle-based thermal convection current simulation.

LAUNCH
A high-contrast thermal simulation showing orange heated particles rising and blue cooled particles sinking in a fluid.
[PREMIUM]

EVAPORATION EXPLORER

MISSION: PARTICLES & KINETIC THEORY

Visualize molecular escape rates and kinetic energy thresholds with interactive heat, wind, and surface controls.

LAUNCH
A digital physics simulation showing blue liquid particles in a container with vectors representing wind and evaporating molecules.
[PREMIUM]

RUTHERFORD SCATTERING LAB

MISSION: ATOMIC STRUCTURE

Discover the nucleus by visualizing alpha particle deflection and scattering in this interactive experiment.

LAUNCH
A digital physics simulation showing alpha particles deflecting at various angles as they pass through gold foil.
[PREMIUM]

MOMENT SIMULATOR: LEVERS LAB

MISSION: ROTATIONAL FORCES

Master moments and equilibrium by balancing class 1, 2, and 3 levers in real time.

LAUNCH
Dark mode user interface of the interactive moment simulator showing a balanced wooden lever beam with torque vector overlays.
[PREMIUM]

PROJECTILE MOTION SIMULATOR: KINEMATICS LAB

MISSION: 2D DYNAMICS

Calculate trajectories, adjust gravity, and hit targets with this projectile motion simulator.

LAUNCH
Minimalist purple-themed user interface of the projectile motion simulator showcasing a parabolic physics arc, data stats, and interactive control sliders.
[FREE]

MOTION OF A CHARGED PARTICLE IN A UNIFORM MAGNETIC FIELD

MISSION: ELECTROMAGNETISM

Simulate a charged particle in a magnetic field with 3D helical tracking.

LAUNCH
Cyberpunk-styled dark interface showing the 3D trajectory and motion of a charged particle in a uniform magnetic field.
[PREMIUM]

THERMODYNAMIC PROCESSES

MISSION: THERMODYNAMICS

Analyze ideal gas loops and calculate PV work across four distinct thermodynamic processes in real time.

LAUNCH
Dark instrument-console user interface of the thermodynamic simulator showcasing an active cyan PV cycle curve and dynamic digital readouts.
[PREMIUM]

REFLECTION SIMULATION: PLANE MIRROR LAB

MISSION: RAY OPTICS

Explore light ray diagrams and virtual images using this interactive reflection simulation.

LAUNCH
Interactive light ray optics diagram demonstrating plane mirror reflection, virtual images, and angle of incidence.
[PREMIUM]

READY TO ACE YOUR PRACTICALS?

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