In research that could lead to better gas mask filters, scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have been putting the X-ray spotlight on composite ...

In an interesting twist, more civilians are buying something once limited to war zones. Tactical gas masks may not be on the shopping list for every Florida consumer, but the U.S. market for gas masks ...

All respirators stop working eventually, though in the case of half-masks and military-style gas masks, filter canisters can be replaced. To understand why, it's useful to know how respirators work in ...