This section contains notes on some miscellaneous scientific matters.

- Ball Bearings in a Hypersphere
^{ } - Born Rigid Motion
^{ } - Catacaustics, Resultants and Kissing Conics
^{ } - Resonant Modes of a Conical Cavity
^{ } - A Simple Asymmetric Resonant Cavity
^{ } - The Doppler Shift Triangle Law
^{ } - Conic Section Orbits
^{ } - Dihedral Angles
^{ } - The Ellipse and the Atom
^{ } - The Finite Fall
^{ } - General Relativity in 2+1 dimensions
^{ }- Basic concepts
^{ } - Multi-particle systems
^{ } - Collisions
^{ }

- Basic concepts
- Null Rotations in 2+1 dimensions
^{ } - Howell’s Moving Orbits
^{ } - Klein’s Quartic Curve
^{ } - Klein’s Quartic Equation
^{ } - Paparazzo vs Bodyguards
^{ } - Light Mill applet
^{ } - Hot Plate applet
^{ } - Light Mill results
^{ } - Hot Plate results
^{ } - Littlewood applet
^{ }- Palette
^{ } - Screenshots
^{ }

- Palette
- Littlewood videos
^{ } - There Are No Corkscrew Orbits
^{ } - Ordered Sums
^{ } - Optimised Origami
^{ } - Weak-field GR near a planar mass
^{ } - Polar Orbits Around Binary Stars
^{ }- References
^{ }

- References
- The Rindler Horizon
^{ } - Relativistic Elasticity
^{ } - Rotating Elastic Rings, Disks and Hoops
^{ } - Newtonian Hoop applet
^{ } - Steffen’s Polyhedron
^{ } - Superpermutations
^{ } - Symmetric Waves
^{ } - Symplectic applet
^{ } - The Tell-Tale Board
^{ } - Exact values of regular 10
*j*symbols^{ }

Other scientific topics are discussed in the sections of this web site relating to particular works of science fiction, in the notes for some of my applets, and in four essays I wrote on the Foundations of modern physics.