Chapter Two. Secret #2: I Can See Right Through You
You might be a pet owner or know one. Most of us who have been around pets in urban or suburban areas are familiar with invisible fences. The little dog comes outside, runs around the perimeter of the yard, and might bark like crazy when someone passes by. The invisible fence, combined with the collar the dog is wearing, keeps the dog safely inside the yard. The dog stays safe from passing vehicles; the neighbors stay safe from a possible dog bite. All is well!
The Human Invisible Fence
People can have invisible fences, too. Just as with an invisible pet fence, we cannot see the invisible fence someone might place around himself, but the presence of the fence can greatly impact what happens when ...