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If your desire is to walk on water, Yu Feng Wu of Taiwan has the answer (British patent application 2 243 086). It is a giant plastic sphere, with holes in the side, and a large hatch on the top. Bathers take the ball to a swimming pool, climb in and play around inside. Air-filled pockets provide enough buoyancy to keep the ball afloat as it races crazily over the surface of the water.

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