Sensory systems must maintain sensitivity to small gradations in their inputs despite huge ranges in the absolute strength of those inputs, a combined requirement that far outstrips the limited ...

With the ability to reliably detect up to 50 gray-scale levels, the CNTX contrast sensor sports the highest resolution among white LED contrast sensors in the marketplace, according to its ...

(Phys.org)—A new type of nanoparticle-based MRI contrast agent demonstrates selectivity for tumor cells over non-cancerous cells, can detect hypoxia, and is sensitive enough allow for the detection of ...