PATRICK DUMAS / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY PATRICK DUMAS / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Wind research. Lasers above a tank of water used to simulate a vertical column of air. Salt water and freshwater in the tank mimic cold air and hot air respectively. The lasers are used to measure the velocity of the water. Photographed at the National Centre for Meteorological Research, Toulouse, France.
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