Welcome!

OSA Fellow Prof. Giulio Cerullo, Politecnico di Milano, Italy, appreciates the community aspect that being an OSA member gives him
An introduction to graphene, the prototype of 2D materials (ITA).
Lecture on graphene and 2D materials by Prof. Giulio Cerullo.
https://www.youtube.com/watch?v=1YR73u86Dto
The primary steps of vision: the isomerization of rhodopsin.