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  2. Waverider - Wikipedia

    en.wikipedia.org/wiki/Waverider

    As the study of hypersonic flows improved, researchers were able to study waverider designs that used different shockwave shapes, the simplest being the conical shock generated by a cone. In these cases, a waverider is designed to keep the rounded shockwave attached to its wings, not a flat sheet, which increases the volume of air trapped under ...

  3. Shcramjet - Wikipedia

    en.wikipedia.org/wiki/Shcramjet

    A shock-induced combustion ramjet engine (abbreviated as shcramjet; also called oblique detonation wave engine; also called standing oblique detonation ramjet (sodramjet); [1] or simply referred to as shock-ramjet engine) is a concept of air-breathing ramjet engine, proposed to be used for hypersonic and/or single-stage-to-orbit propulsion applications.

  4. Mac Defender - Wikipedia

    en.wikipedia.org/wiki/Mac_Defender

    Mac Defender (also known as Mac Protector, Mac Security, [1] Mac Guard, [2] Mac Shield, [3] and FakeMacDef) [4] is an internet rogue security program that targets computers running macOS. The Mac security firm Intego discovered the fake antivirus software on 2 May 2011, with a patch not being provided by Apple until 31 May. [ 5 ]

  5. Hypersonic flight - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_flight

    Hypersonic cruise missiles, which are powered by scramjets, are limited to below 30 km (19 mi); [c] hypersonic glide vehicles can travel higher. Hypersonic vehicles are much slower than ballistic (i.e. sub-orbital or fractional orbital) missiles, because they travel in the atmosphere, and ballistic missiles travel in the vacuum above the ...

  6. Hermeus - Wikipedia

    en.wikipedia.org/wiki/Hermeus

    The company claims to have designed, built, and successfully tested a Mach 5 engine prototype in only 9 months. [5] In August 2020, Hermeus received a $1.5 million contract from the United States Air Force to develop their proposed aircraft and function as a possible Air Force One .

  7. Microsoft Defender Antivirus - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Defender_Antivirus

    Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows.It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7.

  8. Rocket-based combined cycle - Wikipedia

    en.wikipedia.org/wiki/Rocket-based_combined_cycle

    A TBCC, or turbine-based combined cycle propulsion system, is a turbine engine combined with a ramjet and scramjet. [2] A TRCC, or turbo rocket combined cycle propulsion system, is another combination propulsion system that combines an afterburning turbine engine with a RBCC propulsion system. [3]

  9. Reaction Engines LAPCAT A2 - Wikipedia

    en.wikipedia.org/wiki/Reaction_Engines_LAPCAT_A2

    It could take off and land on 2000s-era airport runways. [1] [citation needed] The A2 design does not have windows. The heat generated by the hypersonic airflow over the body puts constraints on window design which would make them too heavy. One solution Reaction Engines proposed was to install flat panel displays, showing images of the scene ...