Physics
Motion, forces, energy, and waves, with explicit assumptions and unit checks.
All learning paths and update notes →
From first steps to doctoral study
Start slowly. Each stage builds on the previous one; later branches have their own prerequisites. The foundation lessons are available now. The remaining curriculum is a plan for future lessons, not a complete course.
1. First steps · FOUNDATION LESSONS AVAILABLE
Before you start: No prior physics; everyday counting and reading.
Measurements, models, position, elapsed time, speed, and a first encounter with forces, energy, and waves.
Ready to continue when you can: Explain what is measured, choose units, and state a model’s assumptions.
Start the foundation lessons →2. School foundations · PLANNED
Before you start: First-step physics; algebra and introductory graphs.
Vectors, motion, forces, momentum, energy, thermal phenomena, waves, electricity, circuits, and geometric optics.
Ready to continue when you can: Draw a physical model, choose a relationship, and check units and limiting cases.
3. Undergraduate core · PLANNED
Before you start: Algebra, trigonometry, calculus, and vectors.
Calculus-based mechanics, electromagnetism, oscillations and waves, thermodynamics, modern physics, and experimental methods.
Ready to continue when you can: Derive a prediction, compare it with data, and propagate measurement uncertainty.
4. Advanced undergraduate study · PLANNED
Before you start: Calculus-based core; linear algebra and differential equations.
Analytical mechanics, quantum mechanics, statistical mechanics, advanced electromagnetism, relativity, and computational physics.
Ready to continue when you can: Solve problems through more than one representation and explain approximations and boundary conditions.
5. Graduate foundations · PLANNED
Before you start: Advanced undergraduate theory and mathematical methods.
Graduate classical mechanics, electrodynamics, quantum theory, statistical physics, and specialist mathematical or experimental methods.
Ready to continue when you can: Build sustained derivations and evaluate where a theory or approximation applies.
6. Research specialization · PLANNED
Before you start: Relevant graduate theory and methods.
Choose a branch such as condensed matter, particle physics, astrophysics, optics, plasma physics, or quantum information; develop its experimental or computational skills.
Ready to continue when you can: Reproduce a published result, audit uncertainty, and formulate a testable extension.
7. Doctoral research practice · PLANNED
Before you start: Specialist expertise and suitable research supervision or collaboration.
Original questions, experimental or theoretical design, inference, reproducibility, research communication, and thesis defence.
Ready to continue when you can: Produce and defend an original contribution, comparing it with existing evidence and competing explanations.
Doctoral-level work involves specialization, original research, and expert critique. This pathway supports that preparation; completing site lessons does not confer a degree or establish research competence.
What you’ll learn
- Motion and net force
- Work and kinetic energy
- Frequency, wavelength, and wave speed