Video Shows How Much Face Shields Protect Against A

Sneezes produce a fluid phenomenon often called “vortex rings.” Here’s what that appears like and the way nicely your face overlaying stops it.

Original Source: https://www.huffpost.com/entry/face-shields-protect-against-sneeze_l_5fd244e1c5b68256b1132a9f
Written by: on 2020-12-10 16:03:09