GenesisNemesis
Let's Go Dark Brandon!
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https://phys.org/news/2019-01-ultra-ultrasound-revolutionise-technology.html
Researchers at The University of Queensland have combined modern nanofabrication and nanophotonics techniques to build the ultraprecise ultrasound sensors on a silicon chip.
Professor Warwick Bowen, from UQ's Precision Sensing Initiative and the Australian Centre for Engineered Quantum Systems, said the development could usher in a host of exciting new technologies.
"This is a major step forward, since accurate ultrasound measurement is critical for a range of applications," he said.
"Ultrasound is used for medical ultrasound, often to examine pregnant women, as well as for high resolution biomedical imaging to detect tumours and other anomalies.
"It's also commonly used for spatial applications, like in the sonar imaging of underwater objects or in the navigation of unmanned aerial vehicles.
"Improving these applications requires smaller, higher precision sensors and, with this new technique, that's exactly what we've been able to develop."
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