Some current interests:

My Electric vehicle.

1. The Battery Monitor Project
2. 3-D Model of a Math Function
3. An exploration of Integer Triangles
4. Explorations of numbers consisting of all 1s
5. My experiments with diamagnetic levitation
6. CD Balls
7. 24-Hedroid

Other interesting links:

1. George W. Hart
2. Matthias Wandel's home page
3. MIT Puzzle Corner
4. MIT OpenCourseWare
5. Drexel Math Forum

Feel free to contact me.