Abstract: This work presents a method for the characterization of symmetrical test fixtures, based on the creation of a virtual calibration standard of the reflect type. The standard is generated by ...

Polymers formed from two-dimensional analogues of covalent organic frameworks (COFs) can be almost as impermeable to gases as graphene, researchers in the US have found. 1 The work could open up a ...

Abstract: Recognizing a face is a remarkable process that humans naturally use. Computer vision has tried to resemble this ability of human vision as a biometric tool to identify humans. Commercial ...