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2. Inlet cone - Wikipedia

   en.wikipedia.org/wiki/Inlet_cone

   An inlet cone, as part of an Oswatitsch-type inlet used on a supersonic aircraft or missile, is the 3D-surface on which supersonic ram compression for a gas turbine engine or ramjet combustor takes place through oblique shock waves. Slowing the air to low supersonic speeds using a cone minimizes loss in total pressure (increases pressure recovery).

3. Lockheed Martin X-59 Quesst - Wikipedia

   en.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST

   The Lockheed Martin X-59 Quesst ("Quiet SuperSonic Technology"), sometimes styled QueSST, is an American experimental supersonic aircraft under development by Skunk Works for NASA's Low-Boom Flight Demonstrator project. [2] Preliminary design started in February 2016, with the X-59 planned to begin flight testing in 2021.

4. Blast wave - Wikipedia

   en.wikipedia.org/wiki/Blast_wave

   Blast waves cause damage by a combination of the significant compression of the air in front of the wave (forming a shock front) and the subsequent wind that follows. [15] A blast wave travels faster than the speed of sound, and the passage of the shock wave usually lasts only a few milliseconds. Like other types of explosions, a blast wave can ...

5. Sonic boom - Wikipedia

   en.wikipedia.org/wiki/Sonic_boom

   Supersonic aircraft are any aircraft that can achieve flight faster than Mach 1, which refers to the speed of sound. "Supersonic includes speeds up to five times Mach than the speed of sound, or Mach 5." (Dunbar, 2015) The top mileage per hour for a supersonic aircraft normally ranges from 700 to 1,500 miles per hour (1,100 to 2,400 km/h).

6. Where college football conference tiebreakers stand in SEC ...

   www.aol.com/where-college-football-conference...

   Here’s a quick breakdown of where things currently stand heading into the final weekend of the regular season: ACC. Miami scored the final 25 points against Wake Forest to win going away for the ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Shock wave - Wikipedia

   en.wikipedia.org/wiki/Shock_wave

   In this case, the gas ahead of the shock is stationary (in the laboratory frame) and the gas behind the shock can be supersonic in the laboratory frame. The shock propagates with a wavefront which is normal (at right angles) to the direction of flow. The speed of the shock is a function of the original pressure ratio between the two bodies of gas.

9. All of these Black Friday deals would make very good gifts - AOL

   www.aol.com/lifestyle/all-of-these-black-friday...

   The Amazon Kindle Paperwhite is only $129.99 today, or $30 off. ... This pair comes in eight colors in a range of sizes, all of which are marked down for Black Friday. ... Get them on sale at ...