Talks, seminars, workshops, and invited participation in conferences.
-- Mathematics and Physics:

“...”, invited speaker at WE-Heraeus-Seminar on General Relativity as a Challenge for Physics Education, Physikzentrum, Bad Honnef, Germany, February 10-15, 2019.

“Tactile Hyperbolic Geometry”, invited speaker at workshop on Geometry of Soft Matter, International Institute of Physics, Natal, Brazil, May 21-25, 2018.

"20 years of crocheting adventures with hyperbolic planes", Nontechnical Talk Series, Yale Quantum Institute, New Haven, CN, December 5, 2017.