Optogenetics uses light stimulation to control the excitation, inhibition, or signaling pathways of optically excitable cells and provides a powerful tool to diagnose and treat, as well as understand, numerous neurological and psychiatric diseases and disorders. Modified neurons can be activated or silenced by different light frequencies. However, the...

Traditional x-ray detectors capture images in flat, rectangular 2-D shapes while many of the objects of interest are 3-D. Digital x-ray imaging in 3-D is vital in the medical field as well as in the industrial field. Applications in the mechanical field include inspection such as detecting hairline cracks or leaks in pipes, aircraft, and military equipment....