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  2. How to Style Natural Wavy Hair, According to Experts - AOL

    www.aol.com/style-natural-wavy-hair-according...

    As Roszak shares, “Enhancing your natural wave absolutely starts with healthy hair. Using a regular mask treatment weekly is key—especially if you color treat it. Regular trims also help.

  3. Thermosiphon - Wikipedia

    en.wikipedia.org/wiki/Thermosiphon

    Thermosyphon circulation in a simple solar water heater (not a working model; there is no water supply to replenish the tank when the tap is used). A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump.

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    In the United States, typical natural gas water heaters for households without unusual needs are 150–190 L (40–50 US gal) with a burner rated at 10.0–11.7 kilowatts (34,000–40,000 BTU/h). This is a popular arrangement where higher flow rates are required for limited periods.

  5. Space heater - Wikipedia

    en.wikipedia.org/wiki/Space_heater

    Radiant space heaters transfer heat to directly to bodies in front of them using thermal radiation. Thermal radiation is a process by which objects at a high temperature emit heat in the form of electromagnetic waves. These heaters are often designed such that the frequency of the emitted waves are in the infrared part of the electromagnetic ...

  6. Thermoacoustics - Wikipedia

    en.wikipedia.org/wiki/Thermoacoustics

    The heat exchanging process in TAE is critical to maintain the power conversion process. The hot heat exchanger has to transfer heat to the stack and the cold heat exchanger has to sustain the temperature gradient across the stack. Yet, the available space for it is constrained with the small size and the blockage it adds to the path of the wave.

  7. How to use your hair straightener to create natural waves - AOL

    www.aol.com/lifestyle/hair-straightener-create...

    Justine Marjan teaches us three different ways to create a natural, wavy style using your straightener The post How to use your hair straightener to create natural waves appeared first on In The Know.

  8. Passive cooling - Wikipedia

    en.wikipedia.org/wiki/Passive_cooling

    Passive cooling covers all natural processes and techniques of heat dissipation and modulation without the use of energy. [1] Some authors consider that minor and simple mechanical systems (e.g. pumps and economizers) can be integrated in passive cooling techniques, as long they are used to enhance the effectiveness of the natural cooling process. [7]

  9. Self-regulating heater - Wikipedia

    en.wikipedia.org/wiki/Self-regulating_heater

    A positive-temperature-coefficient heating element (PTC heating element), or self-regulating heater, is an electrical resistance heater whose resistance increases significantly with temperature. The name self-regulating heater comes from the tendency of such heating elements to maintain a constant temperature when supplied by a given voltage.