Log
Interesting points, physics, math, EE
Log| File | Description |
|---|---|
| Double Helix in 3D | Two helixes in 3D |
| Volcanos in 3D | A few volcanos on a hill |
| An hourglass | Hourglass |
| Another hourglass | Hourglass in 3D |
| A still | Still |
| Shapes resembling red blood cells | Oblate objects |
| A math object | Math object |
| Another math object | Another math object |
| Mesmerizing object | Object that changes over time |
| Another mesmerizing object | Object that moves |
| File | Description |
|---|---|
| Scientists' microportraits | Some great scientists bios |
| A fractal tree | Tree created with javascript and canvas |
| A fractal fern | Fern created with javascript and canvas |
| A fractal bug | The famous Mandelbrot fractal |
| Sudoku helper | Keeps track of your solution and helps a little |
| Duval Triangle | Useful diagnostic tool for transformers |
| A drawing | Canvas drawing |
| Icosahedrons | The regular polyhedron with the most sides |
| File | Description |
|---|---|
| Game of life 1 | Cells live in a 2D world with empty boundaries |
| Game of life 2 | Cells live in a 2D world with wrap around boundaries |
| Game of life 3 | Spherical cells live on the surface of a cube (still 2D) with continuous boundaries |
| Game of life 4 | Flat cells live on the surface of a cube with continuous boundaries, observe in 3D. |
| Game of life, spacecrafts | Spacecraft in the game of life |
| File | Description |
|---|---|
| Putnam problem Feynman | Putnam problem that can be solved using Richard Feynman's "toolbox" |
| Putnam problem cubic | Putnam problem about a triangle on a cubic function |
| Putnam problem torus | Putnam problem about a solid of revolution |
| File | Description |
|---|---|
| Natural "log" problem, November 2010 | Problem to minimize energy in a trajectory |
| A futile chase, September 2012 | A turtle chases another turtle forever |
| Another wedge issue, October 2012 | A wedge is accelerated by a sliding block |
| The pin and the pendulum, November 2012 | Pendulum wraps around pin |
| A giant leap, December 2012 | Polar projectile hits equator |
| Triple double, February 2013 | Two charged particles dancing |
| Know strings attached, March 2017 | Three charges move on a plane |
| Fox trot, September 2017 | A rabbit chases a fox |
| Just pulling through, October 2017 | Pulling a marble to keep tip at v=cnst. |
| Impulse control, May 2018 | Charged particle in a fluid with B field |
| Plane and simple, December 2018 | A small mass slides up and down an inclined plane |
