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  2. Hypersonic effect - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_effect

    The hypersonic effect is a phenomenon reported in a controversial ... does the hypersonic effect occur via the "ordinary" route of sound travelling through the ...

  3. Hypersonic speed - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_speed

    Simulation of hypersonic speed (Mach 5) While the definition of hypersonic flow can be quite vague and is generally debatable (especially due to the absence of discontinuity between supersonic and hypersonic flows), a hypersonic flow may be characterized by certain physical phenomena that can no longer be analytically discounted as in supersonic flow.

  4. Hypersonic flight - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_flight

    At hypersonic speeds, this effect becomes much more pronounced, due to the exponential reliance on the Mach number. Since the boundary layer becomes so large, it interacts more viscously with the surrounding flow. The overall effect of this interaction is to create a much higher skin friction than normal, causing greater surface heat flow.

  5. Hypersonic flight (speeds faster than Mach 5) is the perceived future of human aviation.. In order to achieve that vision, engineers need to develop hybrid engines capable of handling subsonic ...

  6. Sound from ultrasound - Wikipedia

    en.wikipedia.org/wiki/Sound_from_ultrasound

    Sound from ultrasound is the name given here to the generation of audible sound from modulated ultrasound without using an active receiver. This happens when the modulated ultrasound passes through a nonlinear medium which acts, intentionally or unintentionally, as a demodulator .

  7. Hypersonic weapon - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_weapon

    A hypersonic weapon is a weapon capable of travelling at hypersonic speed, defined as above Mach 5, or above 5 times the speed of sound. [ 1 ] Below Mach 1, weapons would be characterized as subsonic , and above Mach 1, as supersonic .

  8. Hypersonic (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_(disambiguation)

    Hypersonic sound, a method for creating audible sound from ultrasound; Hypersonic effect, a psychological effect induced by ultrasound; HyperSonic Sound, a trade name for a device that produces modulated ultrasound that can make its carried signal audible without needing a receiver set

  9. Women are being notified that they need to take action if ...

    www.aol.com/women-being-notified-action-dense...

    It took effect on Sept. 10, 2024. "[The new legislation] is a really great thing. We're happy about this," Litvack says, but it's not enough. Once women know they have dense breasts, they need to ...

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