This is a beautifully simple piece or work:
Ink Calendar make use of the timed pace of the ink spreading on the paper to indicate time. The ink is absorbed slowly, and the numbers in the calendar are ‘printed ‘ daily. One a day, they are filled with ink until the end of the month. The calendar enhances the perception of time passing and not only signaling it. The aim of the project is to address our senses, rather than the logical and conscious brain.
I wish I could bottle the feeling you get the moment you see something like this and the whole thing clicks in your mind.
(Read more at Dezeen » Blog Archive » Ink Calendar by Oscar Diaz)