Musical Deltahedra

One day I became curious about musical triads (three note chords) as geometric triangles. I speculated about the actual sizes of the sides, given the intervals between the notes at the corners. Then, in no time, I was off day-dreaming about wobbling, vibrating triangles and string theory…

Sundays are for Studying

For a while now, I have been studying the properties of physical knots with respect to tightening.  It all started when I saw the Terry Moore TED talk on How to tie your shoes and the weak vs strong form of the simple shoelace knot.  Today I found this handy paper: A 2-Chain Can Interlock with an Open […]