Water filters have always been essential kit for hiking and backpacking, but traditional designs can be heavy, bulky and ...

But biotech company Regenesis does something different: It injects colloidal activated carbon into the ground at or near the contamination site, which acts as a filter. That carbon—milled down ...

3D-printable parts and an easy-to-fill chamber for bulk-activated carbon make this recirculating air filter for VOCs a smart, space-saving design. A Nevermore filter sits inside the build chamber ...