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I'm not interested in football http://liontechrockets.org/writing-college-admission-essays/ do my homework for me cheap I asked corresponding author Dinjin Seo a few question regarding the subdural placement of the hubs on the cortical surface. He noted that ideally, the back face of the of the interrogator, that facing the fluid environment of the dura, would have a significant impedance mismatch to reduce undesirable energy coupling in that direction. The face opposing the motes on the cortical surface, if better matched, could transmit at well above 50% efficiency in that direction. The hubs are assumed to be powered from an external RF source with which they communicate in the same way. Bone significantly attenuates ultrasound (approximately 22 dB/(cmMHz)for the skull) and this method of communication would not as effective here as RF. Dust motes could in theory be dispersed at 100 micron separation, while the interrogator hubs might be separated at distances of 1 mm.


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