The fountains outside Marischal College were fascinating. I was trying to photograph the falling drops to show that the gaps between them increase as they fall, like the strobe work I used to do in the labs. What I noticed in the picture is that there are big blobs of water at the top. I didn't watch the fountains carefully when I was there but I guess that means that the fountains are pulsed and that it fires up one shot of water followed by a pause. The individual drops must be what happens as the flow is cut off.