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2. Autolycus (submarine detector) - Wikipedia

   en.wikipedia.org/wiki/Autolycus_(submarine_detector)

   A zig-zag search pattern was flown, passing at right-angles over the likely direction of submarine movements. When an exhaust plume was detected, the aircraft would begin to fly a tracking pattern of progressively shorter zig-zags. Each crossing of the plume trail would be plotted, giving a map plot of the submarine's likely track.

3. Shock diamond - Wikipedia

   en.wikipedia.org/wiki/Shock_diamond

   Shock diamonds are the bright areas seen in the exhaust of this statically mounted Pratt & Whitney J58 engine on full afterburner.. Shock diamonds (also known as Mach diamonds or thrust diamonds, and less commonly Mach disks) are a formation of standing wave patterns that appear in the supersonic exhaust plume of an aerospace propulsion system, such as a supersonic jet engine, rocket, ramjet ...

4. Aerospike engine - Wikipedia

   en.wikipedia.org/wiki/Aerospike_engine

   This causes the thrust-generating exhaust to begin to expand outside the edge of the bell. Since this exhaust begins traveling in the "wrong" direction (i.e., outward from the main exhaust plume), the efficiency of the engine is reduced as the rocket travels because this escaping exhaust is no longer contributing to the thrust of the engine.

5. Plasma propulsion engine - Wikipedia

   en.wikipedia.org/wiki/Plasma_propulsion_engine

   The plasma exhaust is 'quasi-neutral', which means that positive ions and electrons exist in equal number, which allows simple ion-electron recombination in the exhaust to neutralize the exhaust plume, removing the need for an electron gun (hollow cathode).

6. Exploded-view drawing - Wikipedia

   en.wikipedia.org/wiki/Exploded-view_drawing

   An exploded-view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts. [1]It shows the components of an object slightly separated by distance, or suspended in surrounding space in the case of a three-dimensional exploded diagram.

7. Pinta (software) - Wikipedia

   en.wikipedia.org/wiki/Pinta_(software)

   Pinta is an open-source, cross-platform bitmap image drawing and editing program inspired by Paint.NET, a similar image editing program which is limited to Microsoft Windows. [3] Pinta has more features than Microsoft Paint. Compared with open-source image editor GIMP, Pinta is simpler and has fewer features. [4]