Optics.org
daily coverage of the optics & photonics industry and the markets that it serves
News
Menu
Digitally applied face mask variations used in NIST study.
Sme of the digitally applied face mask variations used in the NIST study, including the four different colors used (black, red, white and light blue) and some of the different shapes and amounts of face covering. Credit: B. Hayes, M. Ngan / NIST.
Copyright © 2021 SPIE EuropeDesigned by Kestrel Web Services