Nanotech filter coating offers promise against COVID-19

A physics professor from the University of Houston has developed a nanotech coating designed to allow air filters to capture airborne or aerosolized droplets of the virus that causes COVID-19.

A titanate nanowire mask that can eliminate pathogens

Filter 'paper' made from titanium oxide nanowires is capable of trapping pathogens and destroying them with light. This discovery by an EPFL laboratory could be put to use in personal protective equipment, as well as in ventilation ...

Radioactive cloud over Europe had civilian background

A mysterious cloud containing radioactive ruthenium-106, which moved across Europe in autumn 2017, is still bothering Europe's radiation protection entities. Although the activity concentrations were innocuous, they reached ...

New report compares water risk tools for companies and investors

Faced with worsening water security across the globe, companies and investors are increasingly concerned about the water risks faced by their operations, supply chains and investments—and looking for tools to help to assess ...

Groovy key to nanotubes in 2-D

Ultrathin carbon nanotubes crystals could have wonderous uses, like converting waste heat into electricity with near-perfect efficiency, and Rice University engineers have taken a big step toward that goal.

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