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  2. Mirage - Wikipedia

    en.wikipedia.org/wiki/Mirage

    The Sun appeared to rise two weeks earlier than expected; the real Sun had still been below the horizon, but its light rays followed the curvature of Earth. This effect is often called a Novaya Zemlya mirage. For every 111.12 kilometres (69.05 mi) that light rays travel parallel to Earth's surface, the Sun will appear 1° higher on the horizon.

  3. 7 Upsetting Things That Happen to Your House in Extreme Heat

    www.aol.com/7-upsetting-things-happen-house...

    Heat waves wreak havoc on electrical, HVAC, and plumbing systems and walls, floors, and roofing. Learn from an expert how to prevent heat damage to your house. 7 Upsetting Things That Happen to ...

  4. Atmospheric refraction - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_refraction

    Diagram showing displacement of the Sun's image at sunrise and sunset Comparison of inferior and superior mirages due to differing air refractive indices, n. Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. [1]

  5. Heat lightning - Wikipedia

    en.wikipedia.org/wiki/Heat_lightning

    Heat lightning (not to be confused with dry thunderstorms, which are also often called dry lightning) is a misnomer [1] used for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not appear to have accompanying sounds of thunder. Heat lightning in Tokyo

  6. Heat pump and refrigeration cycle - Wikipedia

    en.wikipedia.org/wiki/Heat_pump_and...

    Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]

  7. This Is Why Your Light Is Buzzing - AOL

    www.aol.com/why-light-buzzing-170500715.html

    Light fixtures bring a daylight glow and ambiance to any room, but they have to work correctly in order to be functional and safe. While most light bulb problems can be solved with a bulb swap ...

  8. Heat burst - Wikipedia

    en.wikipedia.org/wiki/Heat_burst

    In meteorology, a heat burst is a rare atmospheric phenomenon characterized by a sudden, localized increase in air temperature near the Earth's surface. Heat bursts typically occur during night-time and are associated with decaying thunderstorms . [ 1 ]

  9. Distortion (optics) - Wikipedia

    en.wikipedia.org/wiki/Distortion_(optics)

    In geometric optics, distortion is a deviation from rectilinear projection; a projection in which straight lines in a scene remain straight in an image.It is a form of optical aberration that may be distinguished from other aberrations such as spherical aberration, coma, chromatic aberration, field curvature, and astigmatism in a sense that these impact the image sharpness without changing an ...