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 ...

The humble coffee filter doesn’t make headlines, but it’s an unsung hero of your morning routine. And there are some real benefits to paper filters, namely that they can deliver a finer, lighter ...

We may receive a commission on purchases made from links. One of the most common coffee filters out there is the classic cone ...