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Master Science
From First Principles
University-level courses in physics, biology, and earth sciences. Lectures from MIT, Stanford, and Nobel laureates -- completely free.
Graduate-Level Rigor
Real university content with full mathematical derivations, not watered-down summaries.
Interactive Code & Tools
Run Python simulations, use physics calculators, and visualize concepts in real time.
Learn From the Best
Video lectures from MIT, Stanford, Nobel laureates, and leading researchers worldwide.
Learners Around the World
Join a global community of students exploring science from first principles
Popular Learning Paths
Not sure where to start? Follow a structured path from fundamentals to advanced topics.
The Theoretical Physics Journey
From Relativity to the Cosmos
Chemistry to Quantum Materials
Molecular Life Sciences
Mathematical Physics Foundations
Stars, Galaxies & the Universe
Physics of Life & the Brain
Earth Systems & Climate Science
From Molecules to Medicines
Statistical & Thermal Physics
Urban Science & Complex Systems
Solar Physics Journey
From the Sun's Core to Space Weather — trace the physics of our star through 8 interconnected courses
Unification: Geometry, Gauge Theory & Quantum Gravity
The quest for a unified theory — string theory, M-theory, AdS/CFT, loop quantum gravity, and the geometric connections from Perelman to the Standard Model.
Explore Unification →Perelman's Geometrization Proof
Complete treatment of the Poincaré Conjecture via Ricci flow with surgery — 20 sections with full derivations.
Recently Enhanced
Unification
String theory, M-theory, AdS/CFT, loop quantum gravity, Perelman & BMS, and the master Lagrangian. 7 parts, 60 sections.
Perelman's Proof
Complete proof of the Geometrization Conjecture: Ricci flow, entropy, surgery, Thurston geometries. 20 sections.
Nuclear Physics
Nuclear structure, radioactivity, reactions, shell model, and applications. 5 parts with Python/Fortran simulations.
Solid-State Chemistry
Atomic structure, bonding, crystallography, electronic materials, defects, and polymers. 8 parts + 47 MIT lectures.
Condensed Matter Theory
Fermi liquids, superfluidity, BCS superconductivity, topological phases. 18 chapters with Python/Fortran simulations.
Physical Chemistry
Quantum chemistry, thermodynamics, kinetics, statistical mechanics, electrochemistry, spectroscopy. 24 chapters.
Organic Chemistry
Functional groups, stereochemistry, reaction mechanisms (SN1/SN2/E1/E2), carbonyl chemistry, aromatic reactions, retrosynthesis. 16 chapters.
Mathematical Methods
Complex analysis, contour integration, Green's functions, group theory, Lie algebras, special functions. 16 chapters.
Biophysics
Molecular forces, protein folding, membrane biophysics, ion channels, molecular motors, cryo-EM. 12 chapters + 76 video lectures.
ML for Science
Neural networks, CNNs, transformers, physics-informed NNs, symbolic regression, ML for molecular dynamics & cosmology. 12 chapters.
Computer Science
Harvard CS50 lectures: Python programming, algorithms, data structures, AI, and full computer science. 12 video lectures.
QFT (Extended)
16 chapters: canonical quantization, path integrals, QED, renormalization, gauge theories, Higgs, SUSY, lattice QFT.
Cities as Complex Systems
Urban scaling laws, Fisher-KPP growth, TASEP traffic, mean field games, Kuramoto synchronization, TDA, SUMO microsimulation. 18 modules.
World Pollution Simulator
ADI PDE solver on 10 cities (Paris, NYC, Beijing, Cairo…) with OSMnx morphology, live AQI heatmap, and city ranking. Run it live.
Astrophysics & Computational Science
Numerical GR (BSSN, Cactus/CarpetX), gravitational waves, spectral methods, quantum computing for GR. 4 modules, ~150 hours.
Earth Observation & Satellites
Sentinel, Landsat, InSAR earthquakes, drought indices, SAR flood mapping, TROPOMI climate, LULC classification. 10 modules + spectral explorer.
Quantum Computing
Qubits, Grover, Shor, HHL, error correction, hardware, VQE/QAOA, Qiskit code. 6 modules.
Numerical Methods
Root finding, ODE/PDE solvers, FFT, Monte Carlo, optimization. Python implementations.
Optics & Photonics
Geometrical optics, lasers, fiber optics, nonlinear & quantum optics. 6 modules.
Foundation Courses
Mathematics
Linear algebra, tensor calculus, differential geometry, and variational calculus.
Classical Mechanics
Lagrangian and Hamiltonian formalism, canonical transformations, and action principles.
Special Relativity
Einstein's theory of spacetime, Lorentz transformations, and relativistic mechanics.
Statistical & Thermal Physics
Thermodynamics
Laws of thermodynamics, entropy, phase transitions, and thermodynamic potentials. MIT lectures included.
Statistical Mechanics
Ensembles, partition functions, phase transitions. Kardar and Susskind lectures.
Fluid Mechanics
Navier-Stokes equations, boundary layers, turbulence, and MHD foundations.
Earth & Atmospheric Sciences
Atmospheric Science
Thermodynamics, dynamics, synoptic meteorology, clouds, radiation, and climate science.
Oceanography
Physical, chemical, biological, and geological oceanography. Ocean circulation and marine ecosystems.
Climatology & Meteorology
Atmospheric dynamics, climate systems, weather patterns, and global climate change.
Tectonics
Plate dynamics, mantle convection, seismology, lithospheric flexure, and mountain building. Python & Fortran models.
Cities as Complex Systems
Urban scaling, traffic lattice gases, mean field games, Kuramoto synchronization, TDA, SUMO. 18 modules, 54 chapters.
Quantum & Atomic Physics
Waves & Optics
EM waves, interference, diffraction, polarization. MIT lectures by Walter Lewin.
Atomic & Optical Physics
Quantum optics, laser cooling, BEC. MIT lectures by Wolfgang Ketterle (Nobel laureate).
Quantum Mechanics
Hilbert spaces, Schrödinger equation, angular momentum, approximation methods, scattering.
Quantum Field Theory
Path integrals, Feynman diagrams, gauge theories, renormalization, QED, Standard Model.
Particle Physics
Standard Model, quarks, leptons, Higgs mechanism, collider experiments, and beyond.
Nuclear Physics
Nuclear structure, radioactivity, fission, fusion, shell model, and applications. Python & Fortran simulations.
Condensed Matter Theory
Fermi liquids, superfluidity, BCS superconductivity, Ginzburg-Landau, topological phases. Full derivations.
Plasma Physics
Single-particle motion, fluid equations, MHD, waves, instabilities, and kinetic theory.
Relativity & Cosmology
General Relativity
Einstein field equations, Schwarzschild solution, geodesic motion, and gravitational waves.
Cosmology
FLRW metric, Friedmann equations, inflation, dark energy, and the evolution of the universe.
Black Holes
Schwarzschild, Kerr metrics, Hawking radiation, thermodynamics, and information paradox.
Quantum Gravity
Loop quantum gravity, string theory, Wheeler-DeWitt equation, and quantum cosmology.
Inflation Theory
Slow-roll dynamics, primordial perturbations, CMB predictions, and cosmic structure.
Gravitational Waves
LIGO/Virgo detections, binary mergers, waveforms, multi-messenger astronomy.
Astrophysics
Astrophysics for Beginners
Distances, luminosity, magnitudes, spectra, HR diagram, and stellar classification.
Astrophysics
Stellar structure, evolution, nucleosynthesis, compact objects, and high-energy astrophysics.
Solar Physics
Solar interior, helioseismology, corona, solar wind, magnetic dynamo, flares, CMEs, and space weather. Stanford lecture notes included.
Probability & Statistics
Bayesian inference, hypothesis testing, MLE, MCMC, regression, causal inference. Essential for all experimental sciences.
Chemistry & Materials
Solid-State Chemistry
Atomic structure, chemical bonding, crystallography, electronic materials, defects, kinetics, polymers, and diffusion. 8 parts with 47 MIT 3.091 lectures.
Physical Chemistry
Quantum chemistry, thermodynamics, kinetics, statistical mechanics, electrochemistry, and spectroscopy. 24 chapters with Python/Fortran simulations.
Observational Evidence
Life Sciences
Biochemistry
Amino acids, enzymes, nucleic acids, carbohydrates, lipids, and metabolism with interactive tools.
Molecular Biology
DNA, RNA, protein synthesis, gene expression, ion channels, and quantum biology.
Cell Physiology
Membrane transport, cell signaling, muscle contraction, neurophysiology, and calcium signaling.
Pharmacology
Drug mechanisms, pharmacokinetics, pharmacodynamics, CNS drugs, and chemotherapy.
Omics Sciences
Genomics, proteomics, transcriptomics, metabolomics, and multi-omics integration.
Quantum Biology
Quantum tunneling in enzymes, photosynthesis, magnetoreception, and biological coherence.
Nobel & Crafoord Prize Lectures
Nobel Physics
35 laureate lectures (2013–2025): Higgs boson, gravitational waves, black holes, quantum entanglement, and more.
Nobel Chemistry
37 laureate lectures (2013–2025): CRISPR, cryo-EM, molecular machines, AlphaFold, and click chemistry.
Crafoord Astronomy
19 lectures on asteroseismology, solar wind, coronal physics, and the heliosphere.
Crafoord Geosciences
14 lectures on deep time evolution, climate change, the ozone hole, and tectonic forces.
Crafoord Biosciences
7 lectures on ecological speciation, adaptive radiation, and the genetics of species formation.
History & Philosophy of Science
Machine Learning
From linear regression to diffusion models -- complete derivations, SVG diagrams, and Python simulations across 7 parts and 21 chapters.
History of Music
From Monteverdi to Schoenberg -- Baroque, Classical, Romantic, and Modern eras across 4 parts, 12 chapters, and 32 composer biography documentaries.
Music & Mathematics
From the Pythagorean comma to orbifold chord spaces -- Fourier analysis, group theory, Markov harmony, and 6 interactive Web Audio components across 9 modules.
Electronics
From Ohm's law to VLSI -- circuits, semiconductors, amplifiers, digital logic, power electronics, and microcontrollers across 7 parts and 21 chapters with 56 video lectures.
Information Theory
From Shannon's 1948 paper to quantum error correction -- entropy, coding, compression, and the physics of information across 7 parts and 21 chapters.
History of Mathematics
From ancient Babylon and Egypt to modern abstraction -- 4,000 years of mathematical discovery across 6 parts with 44 video documentaries.
History of Physics
From Aristotle to quantum field theory -- the evolution of our understanding of nature across 6 parts and 19 chapters.
History of Mathematics & Physics
How mathematical ideas created physical theories -- from Euclid to AI across 7 parts and 21 chapters spanning 2,500 years.
Philosophy of Science
From Plato's Timaeus to Kuhn's paradigm shifts -- epistemology, falsifiability, realism, and the foundations of scientific knowledge across 10 parts and 30 chapters.
Interactive Tools
Einstein Field Equations
The foundation of General Relativity, relating spacetime curvature to energy and momentum:
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