- Vortex, 19.47 theory/ Sacred Geometry
- The Pythagorean Theorem
- The Genius of Archimedes
- Gravitational Force of the Sun
- Parallel Universes (2002)
- the Golden Ratio (or Golden Mean), the Golden Rectangle, and the relation between the
- Generically awful Math Jokes
- Math Quotes
- The Fibonacci Sequence
- Lecture - 14 Introduction to Fractals
- Lecture - 1 Classical Physics
- Lec-1 Fluid Mechanics
- Yale University - Game Theory (ECON 159)
- Freshman Organic Chemistry (CHEM 125)
- Intro | MIT 8.03 Vibrations and Waves, Fall 2004
- Lec 1 | 8.01 Physics I: Classical Mechanics, Fall 1999
- Lec 1 | MIT 8.02 Electricity and Magnetism, Spring 2002
- Lec 1 | MIT 18.01 Single Variable Calculus, Fall 2007
- String theory
- Richard Feynman Numbers
- The origin of spin: A consideration of torque and coriolis forces ...
- E=mc^2 - Einstein and the World's Most Famous Equation
- Dangerous Knowledge
- Original 20 Maxwell Equations
- Number Related Enigmas
- A child prodigy called Jacob(Jake) Barnett, and a saint bernard teach us...
- The Fibonacci Sequence
- The Boy With The Incredible Brain
- Ed Leedskalnin's Coral Castle "I've discovered The Secrets of the Pyramids"
- 1959 Donald in Mathmagic Land
- Cyclic quads
- 13 Year Old Inventor Cracks Secrets of Tree Collecting Sunlight
- Revelation of the Pyramids(BEST Egypt documentary) - Mathematical Proof The Pyramids not Built By Egyptians