The 0.02 Micron Barrier: The Physics of Viral Exclusion in Gravity Purification

Published on April 3, 2025, 4:20 a.m.

In the lexicon of outdoor gear, the terms "filter" and "purifier" are often used interchangeably by consumers, but in the labor…

The Physics of Scale: Engineering Water Security with LifeStraw Community

Published on April 3, 2025, 3:31 a.m.

In the engineering of public health, scale is the ultimate challenge. Filtering water for a hiker is a matter of ounces; filter…