Objective methods for assessing perceptual image quality traditionally attempted to quantify the visibility of errors (differences) between a distorted image and a reference image using a variety of ...

A 330-cc DPWG was designed and manufactured to run with an inline pulse tube with a target refrigeration power of 330 W at 77 K. Absolut System carried out the pulse tube design, and manufacture was ...

At almost 100 years old, World War II veteran John Ritchie reminisced that during the early days of his service “they called me Taxi”.