This is what happens when people have too much free time:
BANANA (http://www.geostationarybananaovertexas.com/en.html)
Woah, deja vu;...
... it's kinda' like putting a giant solar reflector up into space,...
... only it's a banana,...
... so maybe I can apply my algorithm for control and interaction of large formations of robots (http://roboti.cs.siue.edu/projects/formations/) to this too... ;-)