As restaurants, bars, businesses and schools reopen and mask requirements drop for the fully vaccinated, some people are asking how to bring in customers and students while still preventing COVID-19 ...

Voids, or empty spaces, exist within matter at all scales, from the astronomical to the microscopic. In a new study, researchers used high-powered microscopy and mathematical theory to unveil ...

Objective: Students will engineer a water filter based on observations of manta ray feeding filters, then test its effectiveness. Topics: Structure and function, adaptation, engineering and design ...

Filtration is a key step in many stages of downstream processing, from product recovery to removal of viral contamination. The last few years have seen many developments in filtration science, ...

Researchers in India are investigating the use of several nanotechnology approaches to water purification. Water purification using nanotechnology exploits nanoscopic materials such as carbon ...

A high school student in the United States, Mia Heller, has developed a low-cost water filtration prototype that can remove up to 96% of microplastics using a magnetic liquid known as ferrofluid. The ...

HEPA air filters promise to take nasty things out of the air, removing cigarette smoke, pollen and other irritants. How do they do this? Appliance Science looks at how HEPA air filters work, and how ...