Public Participations
People don't usually have trouble with boundaries and will honor requests to "Keep Out," for example, or leave certain doors to "Employees Only."    But there are also cases where we generally take issue with limitations on behavior whether stated or implied, and I can think of no better instance in which this takes place than with water in public spaces. Despite designers' best efforts over the years to make it clear where bathers are welcome and where they are not, the public has steadily defied boundaries by trespassing into waters that were never directly designed for human interaction.  In fact, you might say that formal, decorative fountains are a forbidden fruit from which many of us have taken the occasional bite. During the past two decades, watershape designers have looked very specifically at the irresistible urge we have to touch water in an effort to shape all-new boundaries between public nuisance and design nuance.  Along the way, we've learned which elements offer a deliberate, positive signal - a real "permission to play" - and are now wielding this power of interactivity to create and define a broad range of