https://www.youtube.com/user/ejrh00/videos
https://www.math.stonybrook.edu/~tony/whatsnew/
https://www.math.stonybrook.edu/~tony/whatsnew/column/
https://www.math.stonybrook.edu/~tony/whatsnew/column/antikytheraI-0400/
https://www.math.stonybrook.edu/~tony/whatsnew/column/antikytheraII-0500/