DEAR HELOISE: I save unclogged spray nozzles to replace the ones that are clogged. Not all spray cans use the same nozzle, so you have to be careful to match them. Be very careful that the nozzle ...

The key to the F-35's STOVL ability is its three-bearing swivel duct nozzle (3BSD). As the name suggests, this nozzle can swivel 95 degrees, directing the engine thrust vertically, and allowing ...

A preliminary probe has revealed that India’s PSLV-C61 mission failed soon after its launch on Sunday morning (May 18) due to a suspected fault in the flex nozzle. The Indian Space Research ...