According to the Kaiser Family Foundation, as of mid-October, three in ten American adults remain unvaccinated. This is not a monolithic cohort; their reasons, backgrounds, politics, and willingness ...

Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...

I tested how well the masks blocked out light by wearing them during the day, at night with a low light on, and in complete darkness. I also took note of how soft and breathable the different ...

Masks and facial coverings are required in most settings to slow the spread of the coronavirus. The CDC released new data Wednesday on how to improve mask fit that reduces a person’s exposure to the ...

CAMBRIDGE, MA -- Wearing a mask can help prevent the spread of viruses such as SARS-CoV-2, but a mask’s effectiveness depends on how well it fits. Currently, there are no simple ways to measure the ...