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  2. Jahn–Teller effect - Wikipedia

    en.wikipedia.org/wiki/Jahn–Teller_effect

    The Jahn–Teller effect (JT effect or JTE) is an important mechanism of spontaneous symmetry breaking in molecular and solid-state systems which has far-reaching consequences in different fields, and is responsible for a variety of phenomena in spectroscopy, stereochemistry, crystal chemistry, molecular and solid-state physics, and materials science.

  3. Heat deflection temperature - Wikipedia

    en.wikipedia.org/wiki/Heat_deflection_temperature

    The heat deflection temperature or heat distortion temperature (HDT, HDTUL, or DTUL) is the temperature at which a polymer or plastic sample deforms under a specified load. [1] This property of a given plastic material is applied in many aspects of product design, engineering and manufacture of products using thermoplastic components.

  4. 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.

  5. Clothes dryer - Wikipedia

    en.wikipedia.org/wiki/Clothes_dryer

    An American style clothes dryer with a rear control panel A European style clothes dryer with a front control panel. A clothes dryer (tumble dryer, drying machine, or simply dryer) is a powered household appliance that is used to remove moisture from a load of clothing, bedding and other textiles, usually after they are washed in the washing machine.

  6. Surface chemistry of cooking - Wikipedia

    en.wikipedia.org/wiki/Surface_chemistry_of_cooking

    This reaction is responsible for why meat, and many other food products, turn brown when cooked. This reaction only occurs at high temperatures. Water vapor is a byproduct of the Maillard reaction. The water molecules create a physical barrier between the proteins on the surface of the meat and the triglyceride molecules in the oil.

  7. Bimetallic strip - Wikipedia

    en.wikipedia.org/wiki/Bimetallic_strip

    Heat engines are not the most efficient ones, and with the use of bimetallic strips the efficiency of the heat engine is even lower as there is no chamber to contain the heat. Moreover, the bimetallic strips cannot produce strength in its moves, the reason why is that in order to achieve reasonables bendings (movements) both metallic strips ...

  8. This is the shocking reason why you shouldn't use the hair ...

    www.aol.com/lifestyle/2017-08-18-shocking-reason...

    If you have ever packed light for a trip and opted to use the hotel hair dryer, you might want to rethink that choice. Studies of hotel rooms have proved that even the most expensive of rooms can ...

  9. Infrared heater - Wikipedia

    en.wikipedia.org/wiki/Infrared_heater

    Electrical infrared hair dryer for hair salons, c. 2010s. A heat lamp is an incandescent light bulb that is used for the principal purpose of creating heat. The spectrum of black-body radiation emitted by the lamp is shifted to produce more infrared light. Many heat lamps include a red filter to minimize the amount of visible light emitted.