In this interview, Sue Berets, the Applications Scientist at Harrick Scientific, talks to AZoM about specular reflectance measurements and the difference between absolute and relative. Please tell us ...

WASHINGTON — By now we've all heard that the Pfizer COVID-19 vaccine has an efficacy rate of 95%, Moderna of 94%, and Johnson & Johnson about 66%; what you may not have known is that rate's technical ...