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  2. Moen Incorporated - Wikipedia

    en.wikipedia.org/wiki/Moen_Incorporated

    Moen is an American product line of faucets and other fixtures started by inventor Alfred M. Moen ... This was followed by the lower cost PosiTemp cycling valve in ...

  3. Negative-bias temperature instability - Wikipedia

    en.wikipedia.org/wiki/Negative-bias_temperature...

    Negative-bias temperature instability (NBTI) is a key reliability issue in MOSFETs, a type of transistor aging. NBTI manifests as an increase in the threshold voltage and consequent decrease in drain current and transconductance of a MOSFET.

  4. Kondo effect - Wikipedia

    en.wikipedia.org/wiki/Kondo_effect

    Kondo effect: How gold with a small amount of what were probably iron impurities behaves at low temperatures Jun Kondo. In physics, the Kondo effect describes the scattering of conduction electrons in a metal due to magnetic impurities, resulting in a characteristic change i.e. a minimum in electrical resistivity with temperature. [1]

  5. Rankine cycle - Wikipedia

    en.wikipedia.org/wiki/Rankine_cycle

    Unless the pressure and temperature reach supercritical levels in the boiler, the temperature range over which the cycle can operate is quite small. As of 2022, most supercritical power plants adopt a steam inlet pressure of 24.1 MPa and inlet temperature between 538°C and 566°C, which results in plant efficiency of 40%.

  6. Electron–positron annihilation - Wikipedia

    en.wikipedia.org/wiki/Electron–positron...

    Electron–positron annihilation occurs when an electron ( e −) and a positron ( e +, the electron's antiparticle) collide.At low energies, the result of the collision is the annihilation of the electron and positron, and the creation of energetic photons:

  7. Faint young Sun paradox - Wikipedia

    en.wikipedia.org/wiki/Faint_young_Sun_paradox

    A collapse under the enormous gravity is prevented by an increase in temperature, which is both cause and effect of a higher rate of nuclear fusion. More recent modeling studies have shown that the Sun is currently 1.4 times as bright today than it was 4.6 billion years ago (Ga), and that the brightening has accelerated considerably. [ 8 ]

  8. Horizon problem - Wikipedia

    en.wikipedia.org/wiki/Horizon_problem

    The horizon problem (also known as the homogeneity problem) is a cosmological fine-tuning problem within the Big Bang model of the universe. It arises due to the difficulty in explaining the observed homogeneity of causally disconnected regions of space in the absence of a mechanism that sets the same initial conditions everywhere.

  9. Effects of climate change on oceans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change...

    The direct effect is coral bleaching on these reefs, because they are sensitive to even minor temperature changes. So a small increase in water temperature could have a significant impact in these environments. Another example is loss of sea ice habitats due to warming. This will have severe impacts on polar bears and other animals that rely on it.

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