Magnetic attraction for fish, crabs?

摘要

Super-sized electromagnetic coils are helping explain how aquatic life might be affected by renewable energy devices being considered for placement along America's coastal waters and rivers. Scientists with the Department of Energy's Pacific Northwest National Laboratory (PNLL) are examining whether a variety offish and invertebrates change their behaviour during and after expo-sure to an electromagnetic field similar to those produced by mar-ine and hydrokinetic power devices that capture energy from ocean waves, tides, currents and rivers.