As part of a test to lower fuel consumption by 1 percent and lower operating costs, Lufthansa Technik officials have placed small patches that mimic shark skin near the fuselage and the edge of the wings on two A340-300s. The project revolves around material that mimics shark skin because a shark’s natural skin features small grooves that reduce drag. The test will use patches that measure nearly an inch square. If this test proves successful, the next step is to use lar...