Word: convex
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...eliminated altogether. In hospitals around the world, doctors are testing electrical devices that have arrested or partly reversed the progression of scoliosis in nearly nine out of ten cases. Worn only at night, the gadgets have two electrodes that are placed on the patient's back over the convex side of the spinal curve. An implantable model has three electrodes that are buried under the skin. A bedside transmitter is used to trigger a pulsing current five or six times a minute. This stimulates muscle contractions that gradually pull the spine into line. Though the devices are still experimental...
They were all dancers. Cagney propelled himself through space like a bullet or a bull terrier, his torso a few seconds ahead of his legs; anyone without a dancer's equilibrium would have fallen on his face. Fonda was just the opposite: a triumph of convex geometry, his thin body a question mark that ambled at Stepin Fetchit pace toward a girl or a cause...
SELF-PORTRAIT IN A CONVEX MIRROR by JOHN ASHBERY 83 pages. Viking...
...dancers themselves. Haydée oozes elegantly across the floor on her bottom like a geometric snake, slithering effortlessly upward, feet first and legs spread, over Cragun's waiting shoulders. Tetley amazingly seems to have taught his dancers how to bow their hips into trompe l'oeil convex forms. The two couples slide through a visual glissando of sexual exercises so explicit yet so subtle in execution that the intimacies never shock -except perhaps with the revelation of the extreme possibilities of what a dancer's body can be made...
...School has come up with the ultimate mind-destroyer with its exhibit in the library of the prints of M.C. Escher (through May 31). This is just not the time to have to deal with two-dimensional lizards becoming three-dimensional, or columns that turn from convex into concave, or water flowing up the side of a building, or fishes mutating into birds, or any of the other visual contradictions that his mad-genius mind came up with. Escher works best for sane people with clear, analytical minds. All others (and that includes most of us) confront...