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  2. 7 Essential Oil Diffusers for Instant Aromatherapy - AOL

    www.aol.com/lifestyle/7-essential-oil-diffusers...

    "Owning an ultrasonic diffuser provides the benefits of clean air, plus the countless benefits of 100 per cent pure essential oils," adds Linnette Carrière, the senior in-house aromatherapist on ...

  3. Electronic pest control - Wikipedia

    en.wikipedia.org/wiki/Electronic_pest_control

    Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.

  4. Aroma lamp - Wikipedia

    en.wikipedia.org/wiki/Aroma_lamp

    An ultrasonic diffuser is the same as a nebulizer but uses a water/oil mixture. This makes the mist not so concentrated. This device can be used as a humidifier. These diffusers contain an ultrasonic transducer, which vaporizes the water/oil mixture through cavitation and creates instantaneous vapor.

  5. Ultrasonic toothbrush - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_toothbrush

    An ultrasonic toothbrush is an electric toothbrush designed for daily home use that operates by generating ultrasound in order to aid in removing plaque and rendering plaque bacteria harmless. It typically operates on a frequency of 1.6 MHz, which translates to 96,000,000 pulses or 192,000,000 movements per minute.

  6. Diffuser (optics) - Wikipedia

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

    In optics, a diffuser (also called a light diffuser or optical diffuser) is any material that diffuses or scatters light in some manner to transmit soft light.Diffused light can be easily obtained by reflecting light from a white surface, while more compact diffusers may use translucent material, including ground glass, teflon, opal glass, and greyed glass.

  7. Humidifier - Wikipedia

    en.wikipedia.org/wiki/Humidifier

    Usually the mist gets forced out by a tiny fan, while some ultra mini models have no fans. The models without fans are meant mainly for personal use. Ultrasonic humidifiers use a piezoelectric transducer to create a high frequency (1-2 MHz [15]) mechanical oscillation in a film of water. This forms an extremely fine mist of droplets about one ...