Guidance on whether to wear a face mask varies locally. But the Centers for Disease Control and Prevention has recommended that all Americans, healthy and sick, wear basic cloth masks in public — a ...

Having previously made a variety of PPE devices on a 3D printer, I still hadn't found exactly what I was looking for. Using mostly cloth masks (yes, made by my mother) and more recently a black ...

Researchers at MIT and Harvard have incorporated living microbes into 3D-printed objects to make them more dynamic. The underlying resin material is embedded with chemical “instructions” that tell a ...