Imagination is more important than knowledge. For knowledge is limited to all we now know and understand, while imagination embraces the entire world, and all there ever will be to know and understand.

                                                                                                                                            —Albert Einstein

Jet Noise Videos
Jet noise reduction using water injection at nozzle exit of a Mach 1.5 jet.







This is a high-speed schlieren video of the development of a high-density jet