Waterenters a lakefrominflowing rivers, from underwater seepsandsprings, fromoverlandflowoffthe surrounding land, and from rain fallingdirectly on the lake surface.
The researchers who developed Tropolis said they worked closely with moms and kids to tweak the texture so that it would flow through the tear-off opening.
BP, the well's owner, has been dropping dispersant chemicals on the slick and trying to shut off the flow using remote-controlled submarines, but has had no luck.