Sorcha,

This is way cooler than lava-lamps! Environmental interactive art, what a great new movement. I'm gonna hang a plumb bob from the tree outside my window and watch it make patterns in the snow as the wind gently sways the branch. I might even construct a sand pendulum too 'cause we're 100 years overdue for a major quake here in Maine.

Thanks for this one Sorcha.

wdyat12