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  2. Panasonic's fridge of the future comes when you call it

    www.engadget.com/2017-09-01-panasonic-prototype...

    Follow all the latest news from IFA 2017 here! We don't know how the kitchens of our future will work, but Panasonic's vision includes a moving refrigerator that responds to voice commands. The ...

  3. Refrigerator - Wikipedia

    en.wikipedia.org/wiki/Refrigerator

    A refrigerator maintains a temperature a few degrees above the freezing point of water. The optimal temperature range for perishable food storage is 3 to 5 °C (37 to 41 °F). [3] A freezer is a specialized refrigerator, or portion of a refrigerator, that maintains its contents’ temperature below the freezing point of water. [4]

  4. Water filter - Wikipedia

    en.wikipedia.org/wiki/Water_filter

    A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .

  5. Iron-oxidizing bacteria - Wikipedia

    en.wikipedia.org/wiki/Iron-oxidizing_bacteria

    The anoxygenic phototrophic iron oxidation was the first anaerobic metabolism to be described within the iron anaerobic oxidation metabolism. The photoferrotrophic bacteria use Fe 2+ as electron donor and the energy from light to assimilate CO 2 into biomass through the Calvin Benson-Bassam cycle (or rTCA cycle) in a neutrophilic environment (pH 5.5-7.2), producing Fe 3+ oxides as a waste ...

  6. A beginner's guide to smart sous vide - Engadget

    www.engadget.com/smart-sous-vide-guide-151821790...

    Fri, May 24, 2024. Anova. French for “under vacuum,” sous vide cooking involves immersing vacuum-sealed food in a temperature-controlled water bath until the food is cooked to your liking. It ...

  7. Mila hands-on: Much smarter (and pricier) than your average ...

    www.engadget.com/mila-smart-air-purifier-hands...

    Additionally, there’s a White Noise Mode that adjusts the rhythm of the oscillating fans to mimic soothing sounds (Chasing Waterfalls, for example, is equivalent to 2.7 air changes an hour ...

  8. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    The noise levels for most purifiers can vary and may be dependent on fan speed. [36] Frequency of filter replacement and electrical consumption are the major operation costs for any purifier. There are many types of filters; some can be cleaned by water, by hand or by vacuum cleaner, while others need to be replaced every few months or years. [37]

  9. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    Fans are used to force air into low- and high-bypass jet engines, seen here on a Boeing 777. A fan is a powered machine used to create a flow of air. A fan consists of a rotating arrangement of vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor ...

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