Your aortic valve is an essential barrier between your heart and your body. When it works properly, the aortic valve is a one-way valve that separates the left ventricle, the main pumping chamber of ...

An experimental procedure using one-way valves to achieve lung volume reduction shows promise for an emphysema patient. Emphysema, a lung disease usually caused by smoking, damages air sacs in the ...

Look out for one-way valves located in your bilge-pump overboard discharge hose. The intended purpose is to prevent the water left in the bilge hose from flowing back into the boat after the pump ...

For integrated photonics to take off, light signals zooming around optical chips must be successfully isolated from one another. Scientists at Stanford University have now designed a miniature one-way ...