Since grading final exams, I’ve been travelling a bit. I am doing some admin duties but should have some time to do some research prior to….SEARCH COMMITTEE. That is such a time suck.
But here is a bit of fun:
Check out this video
Now here is a challenge (that I will take; feel free to beat me to it): find a set of equations that describes the motion of the centers of these disks.
My idea: I might start with a helix (of the type and then have this helix change its center as it “moves up”; perhaps something like . Then intersect this with planes of the following type: (cylindrical coordinates: and then, perhaps the points might described by the intersection of the helix with these planes? I’ll have to check it out.