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This magnetic fluid (MF) sensor could lead to faster telecommunications and revolutionize the optical sensor industry.
Applications. • Space and navigation. • Monitoring current anomalies in power grids. The properties of ferrofluids can be modified by changing the concentration of magnetic nanoparticles and it is predicted that these novel sensors’ frequency response could be pushed to higher frequencies than are currently available. The properties of ferrofluids can be modified by changing the concentration of magnetic nanoparticles and it is predicted that these novel sensors’ frequency response could be pushed to higher frequencies than are currently available.
Sound, projected through bone conduction earphones, can produce surface acoustic waves (SAW) around the head. MAF overcomes these challenges using commercially available bone conduction earphones in conjunction with a mobile device.
However, in the battlefield, without imaging or specialist care and compounded by the need for patient extraction, the risk of complications rises. University of Pittsburgh researchers have developed a low-cost detector based on electromagnetic fields (EMF), to determine the location of stents where advanced imaging is not available.