Lots of techical innivations enabled impressionism, but I would argue that synthetic ultramarine is the biggest one. One should visit the Orsay museum to under

Lots of techical innivations enabled impressionism, but I would argue that synthetic ultramarine is the biggest one. One should visit the Orsay museum to understand it, its curators know their job: impressionist paintings seem to glow from inside in the dim gallery. Screens are bad at showing these colors, one still needs personal experience to get it.