|a21st century sport : |bperformance-enhancing technology|h[videorecording]
|aTaipei : |bWintry, |c
|a1 videodisc (30 min.) |bcol., sd. ; |c4 3/4 in.
|aTechnical equipment in top - level sport is gaining in importance. Research institutes are continually developing new materials and devices to help athletes break records and win medals. Using examples from the world of winter sports, we demonstrate how even small changes in equipment can mean the difference between victory and defeat.
|aSporting goods |xDesign and construction.
|aAthletics |xEquipment and supplies |xDesign and construction.