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  2. Cold and heat adaptations in humans - Wikipedia

    en.wikipedia.org/wiki/Cold_and_heat_adaptations...

    With humid heat, the moisture in the air can prevent the evaporation of sweat. [21] Regardless of acclimatization, humid heat poses a far greater threat than dry heat; humans cannot carry out physical outdoor activities at any temperature above 32 °C (90 °F) when the ambient humidity is greater than 95%.

  3. Human thermoregulation - Wikipedia

    en.wikipedia.org/wiki/Human_thermoregulation

    As in other mammals, human thermoregulation is an important aspect of homeostasis. In thermoregulation, body heat is generated mostly in the deep organs, especially the liver, brain, and heart, and in contraction of skeletal muscles. [1] Humans have been able to adapt to a great diversity of climates, including hot humid and hot arid.

  4. Aerodynamic heating - Wikipedia

    en.wikipedia.org/wiki/Aerodynamic_heating

    Aerodynamic heating is the heating of a solid body produced by its high-speed passage through air. In science and engineering, an understanding of aerodynamic heating is necessary for predicting the behaviour of meteoroids which enter the Earth's atmosphere, to ensure spacecraft safely survive atmospheric reentry, and for the design of high-speed aircraft and missiles.

  5. How much heat can humans handle? It may be may be much lower ...

    www.aol.com/news/hot-too-hot-humans-152435110.html

    Record-setting heat waves have gripped the U.S. only weeks into summer, and at least 38 people are suspected to have died from heat-related issues so far this summer.

  6. Thermal balance of the underwater diver - Wikipedia

    en.wikipedia.org/wiki/Thermal_balance_of_the...

    It occurs when the body loses heat faster than producing it. The core temperature of the body normally remains steady at around 36.5–37.5 °C (97.7–99.5 °F). Only a small amount of hypothermia or hyperthermia can be tolerated before the condition becomes debilitating, further deviation can be fatal.

  7. Hypersonic flight - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_flight

    In November 1961, Air Force Major Robert White flew the X-15 research aircraft at speeds over Mach 6. [4] [5] On 3 October 1967, in California, an X-15 reached Mach 6.7. [6] The reentry problem of a space vehicle was extensively studied. [7] The NASA X-43A flew on scramjet for 10 seconds, and then glided for 10 minutes on its last flight in 2004.

  8. Extreme heat can be dangerous for kids. Here's how to keep ...

    www.aol.com/lifestyle/extreme-heat-pose...

    "Kids' bodies produce heat faster than adults and they can't get rid of that heat as quickly," she explains. As a result, children can get sick in extreme heat, and do so faster than many adults ...

  9. What Air Force leadership says is needed for future fights - AOL

    www.aol.com/news/future-fights-warfighting...

    In future fights, warfighting decisions will have to be made faster than humans can make them, top US Air Force official says Kelsey Baker January 14, 2025 at 2:04 PM

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