Coffee filters are one of those kitchen items we always have on hand — and usually in high quantities — like napkins, paper plates and zip-top bags. And the inexpensive little papers come in handy to ...

Scientists used a 3D-printing approach to pattern hydrophobic barriers inside hydrophilic filter paper. These barriers, designed in different geometries, guide liquids along precise paths and shape ...

We may receive a commission on purchases made from links. Filter coffee is the best. Truth be told, I prefer it to espresso or any other unfiltered styles like French press or Turkish brews. Sure, an ...