Positron emission tomography (PET) technology enables clinicians to visualize cellular activity and metabolism but it lacks resolving morphology. Magnetic resonance (MR) technology is excellent for imaging soft tissue as well as functional and morphological details but it has lower then PET…

Treating brain lesions can be difficult. The blood-brain barrier, which normally serves to protect the brain and spinal cord from damaging chemicals getting into those structures, also keeps out many types of drugs. Surgery can be difficult and risky due…

Capacitors are created to store electric charge, but their storage capabilities are restricted. Engineers at General Electric first experimented with the electric double-layer capacitor, which led to the development of an early type of supercapacitor in 1957.  In current years,…