PHILTER™ Cofounder and Chief Technology Officer John Grimm shares his insights on technology and inventing as he charts a new path for microfiltration.     Tell

USE TECHNOLOGY TO REDUCE SPREAD OF SECONDHAND SMOKE  By: Christos Nicolaidis     Imagine a world where secondhand smoke is no longer a concern. The City

PHILTER™ CEO Christos Nicolaidis discusses the company’s vision for a world of clean air and its first-of-its-kind microfiltration technology—a new tool in the mission to