Can you evapourate coffee to get the beans?

No, you can't evaporate coffee to get the beans back. Here's why:

* Coffee beans are the source of the coffee. The beans are ground to make coffee grounds, which are then brewed with hot water to make the drink.

* Evaporation removes water, not coffee solids. When you evaporate coffee, you're removing the water, leaving behind the dissolved coffee solids and any other substances that were in the coffee (like sugar, cream, etc.).

* The process of roasting coffee beans is irreversible. Once coffee beans are roasted, they cannot be returned to their raw state.

So, even if you could somehow isolate the coffee solids from the evaporated water, you wouldn't be able to "reconstitute" them back into whole coffee beans.