Director / Editor: Victor Teboul, Ph.D.
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations,® aims to promote awareness of the major democratic principles on which tolerance is based.

CDC says masks must fit tightly – and two are better than one

By Scott N. Schiffres, Assistant Professor of Mechanical Engineering, Binghamton University, State University of New York
Share this article
How well your mask works depends on how well it fits. Wearing two snug masks made of different materials offers 95% protection from exposure to aerosols that could contain the coronavirus.

Read complete article

© The Conversation -

Follow us on ...
Facebook Twitter