Wednesday, 17. January 2007
Topic: health - on January 17, 2007 at 11:05:00 AM CET
4D camera
The new 4D scan us ses the same frequency of sound waves w as in a normal ultrasound. But the sound waves are directed from many more angles, producing a 'real-time' video of the foetus as it moves and allowing scientists to say the images are in four dimensions.
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