Diplotori are polyhedra “of genus one” (that is, “with one hole”, like a buoy or a donut) which are “flat” in the sense that the total angle at each vertex is exactly 360 degrees.
Plug a USB webcam, open an app like Photo Booth or Chrome’s Webcam Toy, enable the mirror effect, and then point your webcam to the screen. What do you see? The...
The “ball-sorting machine” is a work-in-progress concept of a purely mechanical machine capable of sorting balls by weight order using a selection of sorting algorithms.
Two notes can sound pleasant or jarring -consonant or dissonant - and everything in between. Sing with a friend and see how you sound.
Removable mirror rooms enabling to visualize spherical tesselations and platonic solids
We have created 2 double pendulums. They have slightly different 2nd arms to demonstrate that the greater the mass, the greater the acceleration.