Razer sold its Zephyr face mask as "N95 certified," but failed qualification tests and now must reimburse consumers.

Qudi Has Designed an LED Face Mask That Shows Its User’s Emotions Containing 199 smart LED pixels. Tech & Gadgets Jan 11, 2022 1 of 3 ...

The new highly contagious strain of Covid which is now the most prevalent in the UK has been described as a 'Frankenstein' ...