Note sull'episodio
I read from diffractometer to difunctional.
Yup, diffuse-porous and ring-porous and talking about wood.
https://en.wikipedia.org/wiki/Wood
The word of the episode is "diffractometer".
https://en.wikipedia.org/wiki/Diffractometer
Theme music from Jonah Kraut
https://jonahkraut.bandcamp.com/
Merchandising!
https://www.teepublic.com/user/spejampar