Target audience

  • Expert hoping for that rare aha!
  • Physics student in SR, GR, QM.
  • Science-curious layperson.

Goals of the videos

  • Promote the substratum (“fabric”) visualization.
  • Develop strong intuition and visuals to remember.
  • Never use the word “weird.”


I’m Öjvind Bernander, Ph D Caltech.
Contact: my last name @ this website.

Photo by Irsta Foto (2017).