Tesla — the inventor, not the car — invented a lot of things, including a one-way valve design with no moving parts. A pulsejet expels exhaust and intakes air through the same hole ...

Whether it’s a DAF, a Ford, a FIAT, or a Chevrolet, most major manufacturers have tried one at some point or another ... with of all things a movable golf ball between them.

What’s really cool about these airtight jars is that they each have a lid with a one-way valve, which will release extra air out but won’t let any in, helping to preserve your weed much better than ...

One way to treat oral thrush is with an antifungal mouthwash. These mouthwashes contain active ingredients that can help to kill the Candida albicans fungus and prevent it from spreading.