The Edge of the Unknown

A small, solid iron tank was filled to the top with water. A man was placed in side, water completely covering his body. Over this an iron lid with three hasps and staples was securely locked. The body was submerged...and a clock began ticking off the dread seconds. In less than a minute and a half, the entombed man was standing calmly outside the tank, still dripping the locks had not been touched, the lid was still secure. Once again, the great Harry Houdini had confounded scientists and ...