Physics, made clear.
Understand motion, energy, light, atoms, and the universe through clear explanations, real-world examples, and visual guides. Start with the basics or follow the question that brought you here.
Where should I start?
Start with Mechanics
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Core fields
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Visual guides
Learn physics with Your Physicist
Explore the foundations
Choose the question that pulls you in.
Physics is not a straight line. Start with motion, heat, light, atoms, or the universe — every path leads somewhere surprising.
01MechanicsMotion, forces, energy, and balance.
02ThermodynamicsHeat, matter, engines, and entropy.
03Waves & SoundVibrations, music, echoes, and signals.
04Optics & LightColour, lenses, light, and vision.
05Electricity & MagnetismCharge, circuits, fields, and power.
06Atomic & NuclearAtoms, particles, radiation, and energy.
07Quantum PhysicsThe tiny world, explained clearly.
08RelativitySpace, time, gravity, and Einstein.
09Astrophysics & CosmologyStars, galaxies, black holes, and beyond.
10Everyday PhysicsThe science inside ordinary things.
A good place to begin
Start with an idea you already know.
01 / Foundations
Why do things move?
Meet force, friction, momentum, and the ideas that shape every journey.
Explore mechanics → 02 / Everyday energyWhy does heat flow?
Follow energy through cooking, cooling, engines, and changing states of matter.
Explore thermodynamics → 03 / The big pictureHow did the universe begin?
Travel from the Big Bang to stars, galaxies, and the mysteries still ahead.
Explore the universe →Physics begins with a question
Pick one and follow it.
Keep being curious
