Ultrasound power tests. Researcher carrying out buoyancy tests to measure the power output of ultrasound devices. This method is a form of calorimetry and solid-state pyroelectrics. Tests such as these are carried out to approve new medical devices. Tests are also carried out to aid the development of new ultrasound technology. Photographed at the National Physical Laboratory,Teddington,UK | |
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Credit: | Science Photo Library / Brookes, Andrew / National Physical Laboratory |
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