The King of Random shares a cheap and easy guide to making a one-way check valve. Mary Trump issues warning on long-term ...

A small device is having a big impact on the quality of life for some emphysema patients. We learn how these tiny one-way valves got a local woman back on her feet.

Regular inspection of one-way check valves is key to keeping your boat afloat. Use these tips to ensure that the valves work properly.

Heart valves strive to get oxygen one way or another Researchers find different types of valves employ different strategies to stay alive Date: December 20, 2016 Source: Rice University Summary ...

Though these one-way valves are designed to help provide more comfort by allowing air to escape the mask when users exhale, that function also allows the virus to spread.

You should know that face masks with valves are being banned in a growing number of places, from much of California to the Colorado cities of Denver and Boulder.

The CDC still encourages people to wear masks so they don't infect others, but they should not have valves or vents that could allow the virus to escape the mask.

What Does a PCV Valve Do? The PCV valve is a fairly simple device that primarily consists of a one-way check valve and a spring.