What causes low yield in wafers? Usually it’s due to design or process changes, but sometimes yield issues occur even if there haven’t been any changes from one manufacturing lot to the next. Finding ...

ABSTRACT: This work developed a statistical correlation between groundwater’s high iron content in the four hydrogeological domains of the State of Bahia, Brazil, and the environmental attributes of ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

A research group in Japan identified a correlation between damp heat test of 1,000 hours to 3–6 years of field exposure in humid areas and changes in acetic acid concentration in photovoltaic modules.

Standardized testing—including state assessments for accountability purposes—is an annual reality in K-12 schools. But more than half of educators—nearly 60 percent—don’t believe that state ...

So when and how should you use them? By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This ...

A federal website offering free COVID-19 antigen at-home test kits went live Thursday, offering up to four nasal swab tests per household before the holiday season. Americans can receive the nasal ...

This is the third year in a row Americans can order free at-home COVID tests. Americans can once again order free at-home COVID-19 tests from the federal government starting Thursday ahead of the ...

Here’s how to get them, plus when to take a test. By Dani Blum Starting Thursday, you can once again order free Covid tests from the government. Every household in the United States will be able to ...