As watching actual paint dry is not the most exciting activity for a scientist, we took the safest and the fastest method: computer modeling of chemical processes happening in paint. The method does not damage any paintings, and good models can predict years of paint drying in an hour or two.
Have you ever wondered what makes a video go viral? Or how it is possible that they can spread so quickly? Maybe you didn't (that's fine), but many economists, marketeers, and even mathematicians have wondered.