If a mug is so full of coffee that it has a convex meniscus, is that meniscus said to be inside the mug or outside the mug? If somebody is carrying such a mug and spills it, whose ... moreIf a mug is so full of coffee that it has a convex meniscus, is that meniscus said to be inside the mug or outside the mug? If somebody is carrying such a mug and spills it, whose task is it to clean up the mess?