Engineering

Now, you can 3-D print clay, cookie dough – or solid rocket fuel

It's now possible to 3-D print extremely viscous materials, with the consistency of clay or cookie dough with fine precision, thanks to work done at Purdue University. This development may soon allow the creation of customized ...

Nozzle

A nozzle is a device designed to control the direction or characteristics of a fluid flow (especially to increase velocity) as it exits (or enters) an enclosed chamber or pipe via an orifice.

A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid (liquid or gas). Nozzles are frequently used to control the rate of flow, speed, direction, mass, shape, and/or the pressure of the stream that emerges from them.

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