51.3 MB (4.2 MB compressed)
3543 x 5062 pixels
30.0 x 42.9 cm ⏐ 11.8 x 16.9 in (300dpi)
HANK MORGAN / SCIENCE PHOTO LIBRARY HANK MORGAN / SCIENCE PHOTO LIBRARY
Portrait of Dr Jules Jaffe (b.1951), US research oceanographer and inventor of "Fish-TV". This is an ultrasonic sonar device, which could be used in non-invasive studies of marine zooplankton and higher life forms in situ. Two small arrays, one for transmitting and one for receiving, are able to locate small marine fauna to a distance of several metres and with a resolution of two degrees. The data from the arrays are fed into a computer, which then produces a three- dimensional map of the distribution of animals in the water. Fish-TV is a prototype for a larger system to be used at sea. Photograph taken at the Scripps Institution of Oceanography in 1993.
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