diagram (IMAGE)
Caption
This diagram shows how 'writing in water' works. The 'pen' attracts ink while superfluous ink remains behind to mark the trail it has followed.
Credit
ill./©: Thomas Palberg
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND