DgarOptimist: Glass is 1/2 full
Pessimist: Glass is 1/2 empty
Excel: Glass is January 2
Paper Moon@dgar a data analyst: the glass is 50% water and 50% air, and I recommend that people stop overcomplicating things.
minty_monkey@TazPoltorak Geo-ecologist here: Finally someone who recognizes the existence of air. Now, what's the exchange rate between the glass and the atmosphere and does that affect evaporation?