The world's fastest swimsuit uses technology from NASA to improve athletes' times by a crucial fraction of a second. Speedo's new LZR Racer, pronounced "Laser Racer," is designed to work like a spacesuit, with the seams "ultrasonically welded" instead of sewn, to reduce drag in the water by up to 10 percent. When athletes premiered the swimsuits on the Today Show yesterday, the studio lights "cut through the translucent suits like X-rays." Click through for a swimsuit gallery.

Images by Mike Stobe/Getty [NY Times]