This means that a drop of water that gets trapped in a hair strand has to disappear from the large-scale simulator, and has to be readded to it when it drips out.
In one sense the bond is very strong, it is why water molecules can flow uphill when siphoned and why water droplets on a car hood show such a singular determination to bead with their partners.
They descended all over the Hall, bringing letters and packages to their owners and showering the breakfasters with droplets of water; it was clearly raining hard outside.
The bubbles trapped inside the oil film cause the drop to go from perfectly circular to changing rapidly between asymmetric shapes. It looks like a sort of chaotic vibrating.
Snow was still thick upon the grounds, and the greenhouse windows were covered in condensation so thick that they couldn't see out of them in Herbology.
While the longboat coasted, drops of liquid flicked from the oars and hit the dark troughs of the waves, pitter-pattering like splashes of molten lead.